---
_id: '40833'
abstract:
- lang: eng
  text: In this work, we derive a maximum likelihood formula for beamsteering in a
    multi-sensor array. The novelty of the work is that the impinging signal and noises
    are wide sense stationary (WSS) time series with unknown power spectral densities,
    unlike in previous work that typically considers white signals. Our approach naturally
    provides a way of fusing frequency-dependent information to obtain a broadband
    beamformer. In order to obtain the compressed likelihood, it is necessary to find
    the maximum likelihood estimates of the unknown parameters. However, this problem
    turns out to be an ML estimation of a block-Toeplitz matrix, which does not have
    a closed-form solution. To overcome this problem, we derive the asymptotic likelihood,
    which is given in the frequency domain. Finally, some simulation results are presented
    to illustrate the performance of the proposed technique. In these simulations,
    it is shown that our approach presents the best results.
author:
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: J.
  full_name: Vía, J.
  last_name: Vía
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
- first_name: L. L.
  full_name: Scharf, L. L.
  last_name: Scharf
citation:
  ama: 'Ramírez D, Vía J, Santamaría I, Scharf LL. Multi-Sensor Beamsteering Based
    on the Asymptotic Likelihood for Colored Signals. In: <i>Proc.\ IEEE Work.\ Stat.\
    Signal Process.</i> ; 2011. doi:<a href="https://doi.org/10.1109/SSP.2011.5967644">10.1109/SSP.2011.5967644</a>'
  apa: Ramírez, D., Vía, J., Santamaría, I., &#38; Scharf, L. L. (2011). Multi-Sensor
    Beamsteering Based on the Asymptotic Likelihood for Colored Signals. <i>Proc.\
    IEEE Work.\ Stat.\ Signal Process.</i> <a href="https://doi.org/10.1109/SSP.2011.5967644">https://doi.org/10.1109/SSP.2011.5967644</a>
  bibtex: '@inproceedings{Ramírez_Vía_Santamaría_Scharf_2011, place={Nice, France},
    title={Multi-Sensor Beamsteering Based on the Asymptotic Likelihood for Colored
    Signals}, DOI={<a href="https://doi.org/10.1109/SSP.2011.5967644">10.1109/SSP.2011.5967644</a>},
    booktitle={Proc.\ IEEE Work.\ Stat.\ Signal Process.}, author={Ramírez, D. and
    Vía, J. and Santamaría, I. and Scharf, L. L.}, year={2011} }'
  chicago: Ramírez, D., J. Vía, I. Santamaría, and L. L. Scharf. “Multi-Sensor Beamsteering
    Based on the Asymptotic Likelihood for Colored Signals.” In <i>Proc.\ IEEE Work.\
    Stat.\ Signal Process.</i> Nice, France, 2011. <a href="https://doi.org/10.1109/SSP.2011.5967644">https://doi.org/10.1109/SSP.2011.5967644</a>.
  ieee: 'D. Ramírez, J. Vía, I. Santamaría, and L. L. Scharf, “Multi-Sensor Beamsteering
    Based on the Asymptotic Likelihood for Colored Signals,” 2011, doi: <a href="https://doi.org/10.1109/SSP.2011.5967644">10.1109/SSP.2011.5967644</a>.'
  mla: Ramírez, D., et al. “Multi-Sensor Beamsteering Based on the Asymptotic Likelihood
    for Colored Signals.” <i>Proc.\ IEEE Work.\ Stat.\ Signal Process.</i>, 2011,
    doi:<a href="https://doi.org/10.1109/SSP.2011.5967644">10.1109/SSP.2011.5967644</a>.
  short: 'D. Ramírez, J. Vía, I. Santamaría, L.L. Scharf, in: Proc.\ IEEE Work.\ Stat.\
    Signal Process., Nice, France, 2011.'
date_created: 2023-01-30T11:51:59Z
date_updated: 2023-01-30T11:56:26Z
department:
- _id: '263'
doi: 10.1109/SSP.2011.5967644
place: Nice, France
publication: Proc.\ IEEE Work.\ Stat.\ Signal Process.
status: public
title: Multi-Sensor Beamsteering Based on the Asymptotic Likelihood for Colored Signals
type: conference
user_id: '43497'
year: '2011'
...
---
_id: '40828'
abstract:
- lang: eng
  text: Spectrum sensing is a key component of the Cognitive Radio paradigm. Multiantenna
    detectors can exploit different spatial features of primary signals in order to
    boost detection performance and robustness in very low signal-to-noise ratios.
    However, in several cases these detectors require additional information, such
    as the rank of the spatial covariance matrix of the received signal. In this work
    we study the problem of estimating this rank under Gaussianity assumption using
    an uncalibrated receiver, i.e. with different (unknown) noise levels at each of
    the antennas.
author:
- first_name: G.
  full_name: Vazquez-Vilar, G.
  last_name: Vazquez-Vilar
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: R.
  full_name: López-Valcarce, R.
  last_name: López-Valcarce
- first_name: J.
  full_name: Vía, J.
  last_name: Vía
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
citation:
  ama: 'Vazquez-Vilar G, Ramírez D, López-Valcarce R, Vía J, Santamaría I. Spatial
    rank estimation in Cognitive Radio Networks with uncalibrated multiple antennas
    (invited paper). In: <i>Proc. Int. Conf. on Cognitive Radio and Advanced Spectrum
    Management</i>. ; 2011. doi:<a href="https://doi.org/10.1145/2093256.2093291">10.1145/2093256.2093291</a>'
  apa: Vazquez-Vilar, G., Ramírez, D., López-Valcarce, R., Vía, J., &#38; Santamaría,
    I. (2011). Spatial rank estimation in Cognitive Radio Networks with uncalibrated
    multiple antennas (invited paper). <i>Proc. Int. Conf. on Cognitive Radio and
    Advanced Spectrum Management</i>. <a href="https://doi.org/10.1145/2093256.2093291">https://doi.org/10.1145/2093256.2093291</a>
  bibtex: '@inproceedings{Vazquez-Vilar_Ramírez_López-Valcarce_Vía_Santamaría_2011,
    place={Barcelona, Spain}, title={Spatial rank estimation in Cognitive Radio Networks
    with uncalibrated multiple antennas (invited paper)}, DOI={<a href="https://doi.org/10.1145/2093256.2093291">10.1145/2093256.2093291</a>},
    booktitle={Proc. Int. Conf. on Cognitive Radio and Advanced Spectrum Management},
    author={Vazquez-Vilar, G. and Ramírez, D. and López-Valcarce, R. and Vía, J. and
    Santamaría, I.}, year={2011} }'
  chicago: Vazquez-Vilar, G., D. Ramírez, R. López-Valcarce, J. Vía, and I. Santamaría.
    “Spatial Rank Estimation in Cognitive Radio Networks with Uncalibrated Multiple
    Antennas (Invited Paper).” In <i>Proc. Int. Conf. on Cognitive Radio and Advanced
    Spectrum Management</i>. Barcelona, Spain, 2011. <a href="https://doi.org/10.1145/2093256.2093291">https://doi.org/10.1145/2093256.2093291</a>.
  ieee: 'G. Vazquez-Vilar, D. Ramírez, R. López-Valcarce, J. Vía, and I. Santamaría,
    “Spatial rank estimation in Cognitive Radio Networks with uncalibrated multiple
    antennas (invited paper),” 2011, doi: <a href="https://doi.org/10.1145/2093256.2093291">10.1145/2093256.2093291</a>.'
  mla: Vazquez-Vilar, G., et al. “Spatial Rank Estimation in Cognitive Radio Networks
    with Uncalibrated Multiple Antennas (Invited Paper).” <i>Proc. Int. Conf. on Cognitive
    Radio and Advanced Spectrum Management</i>, 2011, doi:<a href="https://doi.org/10.1145/2093256.2093291">10.1145/2093256.2093291</a>.
  short: 'G. Vazquez-Vilar, D. Ramírez, R. López-Valcarce, J. Vía, I. Santamaría,
    in: Proc. Int. Conf. on Cognitive Radio and Advanced Spectrum Management, Barcelona,
    Spain, 2011.'
date_created: 2023-01-30T11:51:58Z
date_updated: 2023-01-30T11:56:20Z
department:
- _id: '263'
doi: 10.1145/2093256.2093291
place: Barcelona, Spain
publication: Proc. Int. Conf. on Cognitive Radio and Advanced Spectrum Management
status: public
title: Spatial rank estimation in Cognitive Radio Networks with uncalibrated multiple
  antennas (invited paper)
type: conference
user_id: '43497'
year: '2011'
...
---
_id: '40830'
abstract:
- lang: eng
  text: Interference Alignment (IA) has been revealed as one of the most attractive
    transmission techniques for the K-user in- terference channel. In this work, we
    employ a multiuser Multiple-Input Multiple-Output (MIMO) testbed to analyze, in
    realistic indoor scenarios, the impact of channel state information errors on
    the sum-rate performance of IA. We restrict our study to a 3-user interference
    network in which each user transmits a single data stream using two transmit and
    two receive antennas. For this MIMO interference network, only two different IA
    solutions exist. We also evaluate the performance gain obtained in practice by
    using the IA solution that maximizes the sum-rate.
author:
- first_name: J. A.
  full_name: García-Naya, J. A.
  last_name: García-Naya
- first_name: L.
  full_name: Castedo, L.
  last_name: Castedo
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
citation:
  ama: 'García-Naya JA, Castedo L, Ramírez D, Santamaría I. Experimental Evaluation
    of Interference Alignment Under Imperfect Channel State Information. In: <i>Proc.\
    Eur.\ Signal Process.\ Conf.</i> ; 2011.'
  apa: García-Naya, J. A., Castedo, L., Ramírez, D., &#38; Santamaría, I. (2011).
    Experimental Evaluation of Interference Alignment Under Imperfect Channel State
    Information. <i>Proc.\ Eur.\ Signal Process.\ Conf.</i>
  bibtex: '@inproceedings{García-Naya_Castedo_Ramírez_Santamaría_2011, place={Barcelona,
    Spain}, title={Experimental Evaluation of Interference Alignment Under Imperfect
    Channel State Information}, booktitle={Proc.\ Eur.\ Signal Process.\ Conf.}, author={García-Naya,
    J. A. and Castedo, L. and Ramírez, D. and Santamaría, I.}, year={2011} }'
  chicago: García-Naya, J. A., L. Castedo, D. Ramírez, and I. Santamaría. “Experimental
    Evaluation of Interference Alignment Under Imperfect Channel State Information.”
    In <i>Proc.\ Eur.\ Signal Process.\ Conf.</i> Barcelona, Spain, 2011.
  ieee: J. A. García-Naya, L. Castedo, D. Ramírez, and I. Santamaría, “Experimental
    Evaluation of Interference Alignment Under Imperfect Channel State Information,”
    2011.
  mla: García-Naya, J. A., et al. “Experimental Evaluation of Interference Alignment
    Under Imperfect Channel State Information.” <i>Proc.\ Eur.\ Signal Process.\ Conf.</i>,
    2011.
  short: 'J.A. García-Naya, L. Castedo, D. Ramírez, I. Santamaría, in: Proc.\ Eur.\
    Signal Process.\ Conf., Barcelona, Spain, 2011.'
date_created: 2023-01-30T11:51:58Z
date_updated: 2023-01-30T11:56:17Z
department:
- _id: '263'
place: Barcelona, Spain
publication: Proc.\ Eur.\ Signal Process.\ Conf.
status: public
title: Experimental Evaluation of Interference Alignment Under Imperfect Channel State
  Information
type: conference
user_id: '43497'
year: '2011'
...
---
_id: '40831'
abstract:
- lang: eng
  text: Spectrum sensing is a key component of the Cognitive Radio paradigm. Primary
    signals are typically detected with uncalibrated receivers at signal-to-noise
    ratios (SNRs) well below decodability levels. Multiantenna detectors exploit spatial
    independence of receiver thermal noise to boost detection performance and robustness.
    We study the problem of detecting a Gaussian signal with rank-$P$ unknown spatial
    covariance matrix in spatially uncorrelated Gaussian noise with unknown covariance
    using multiple antennas. The generalized likelihood ratio test (GLRT) is derived
    for two scenarios. In the first one, the noises at all antennas are assumed to
    have the same (unknown) variance, whereas in the second, a generic diagonal noise
    covariance matrix is allowed in order to accommodate calibration uncertainties
    in the different antenna frontends. In the latter case, the GLRT statistic must
    be obtained numerically, for which an efficient method is presented. Furthermore,
    for asymptotically low SNR, it is shown that the GLRT does admit a closed form,
    and the resulting detector performs well in practice. Extensions are presented
    in order to account for unknown temporal correlation in both signal and noise,
    as well as frequency-selective channels.
author:
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: G.
  full_name: Vazquez-Vilar, G.
  last_name: Vazquez-Vilar
- first_name: R.
  full_name: López-Valcarce, R.
  last_name: López-Valcarce
- first_name: J.
  full_name: Vía, J.
  last_name: Vía
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
citation:
  ama: Ramírez D, Vazquez-Vilar G, López-Valcarce R, Vía J, Santamaría I. Detection
    of rank-$P$ signals in Cognitive Radio Networks with uncalibrated multiple antennas.
    <i>{IEEE} {T}rans\ {S}ignal\ {P}rocess</i>. 2011;59(8):3764–3774. doi:<a href="https://doi.org/10.1109/TSP.2011.2146779">10.1109/TSP.2011.2146779</a>
  apa: Ramírez, D., Vazquez-Vilar, G., López-Valcarce, R., Vía, J., &#38; Santamaría,
    I. (2011). Detection of rank-$P$ signals in Cognitive Radio Networks with uncalibrated
    multiple antennas. <i>{IEEE} {T}rans.\ {S}ignal\ {P}rocess.</i>, <i>59</i>(8),
    3764–3774. <a href="https://doi.org/10.1109/TSP.2011.2146779">https://doi.org/10.1109/TSP.2011.2146779</a>
  bibtex: '@article{Ramírez_Vazquez-Vilar_López-Valcarce_Vía_Santamaría_2011, title={Detection
    of rank-$P$ signals in Cognitive Radio Networks with uncalibrated multiple antennas},
    volume={59}, DOI={<a href="https://doi.org/10.1109/TSP.2011.2146779">10.1109/TSP.2011.2146779</a>},
    number={8}, journal={{IEEE} {T}rans.\ {S}ignal\ {P}rocess.}, author={Ramírez,
    D. and Vazquez-Vilar, G. and López-Valcarce, R. and Vía, J. and Santamaría, I.},
    year={2011}, pages={3764–3774} }'
  chicago: 'Ramírez, D., G. Vazquez-Vilar, R. López-Valcarce, J. Vía, and I. Santamaría.
    “Detection of Rank-$P$ Signals in Cognitive Radio Networks with Uncalibrated Multiple
    Antennas.” <i>{IEEE} {T}rans.\ {S}ignal\ {P}rocess.</i> 59, no. 8 (2011): 3764–3774.
    <a href="https://doi.org/10.1109/TSP.2011.2146779">https://doi.org/10.1109/TSP.2011.2146779</a>.'
  ieee: 'D. Ramírez, G. Vazquez-Vilar, R. López-Valcarce, J. Vía, and I. Santamaría,
    “Detection of rank-$P$ signals in Cognitive Radio Networks with uncalibrated multiple
    antennas,” <i>{IEEE} {T}rans.\ {S}ignal\ {P}rocess.</i>, vol. 59, no. 8, pp. 3764–3774,
    2011, doi: <a href="https://doi.org/10.1109/TSP.2011.2146779">10.1109/TSP.2011.2146779</a>.'
  mla: Ramírez, D., et al. “Detection of Rank-$P$ Signals in Cognitive Radio Networks
    with Uncalibrated Multiple Antennas.” <i>{IEEE} {T}rans.\ {S}ignal\ {P}rocess.</i>,
    vol. 59, no. 8, 2011, pp. 3764–3774, doi:<a href="https://doi.org/10.1109/TSP.2011.2146779">10.1109/TSP.2011.2146779</a>.
  short: D. Ramírez, G. Vazquez-Vilar, R. López-Valcarce, J. Vía, I. Santamaría, {IEEE}
    {T}rans.\ {S}ignal\ {P}rocess. 59 (2011) 3764–3774.
date_created: 2023-01-30T11:51:59Z
date_updated: 2023-01-30T11:56:35Z
department:
- _id: '263'
doi: 10.1109/TSP.2011.2146779
intvolume: '        59'
issue: '8'
page: 3764–3774
publication: '{IEEE} {T}rans.\ {S}ignal\ {P}rocess.'
status: public
title: Detection of rank-$P$ signals in Cognitive Radio Networks with uncalibrated
  multiple antennas
type: journal_article
user_id: '43497'
volume: 59
year: '2011'
...
---
_id: '40838'
abstract:
- lang: eng
  text: A multiple-input multiple-output (MIMO) frequency-domain channel measurement
    methodology is pre- sented. This methodology can be implemented in any transmit/receive
    hardware consisting of radio frequency modules and baseband digital processing
    units. It involves the transmission and reception of frequency and phase-optimized
    complex exponentials through antenna arrays, followed by an offline frequency
    estimation, which makes additional synchronization circuitry unnecesary. To test
    the feasibility of this method, a series of measurements is presented, employing
    a $4 \times 4$ dual-band (2.4/5 GHz) MIMO test bed.
author:
- first_name: J.
  full_name: Gutiérrez, J.
  last_name: Gutiérrez
- first_name: J.
  full_name: Pérez, J.
  last_name: Pérez
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: L.
  full_name: Vielva, L.
  last_name: Vielva
- first_name: J.
  full_name: Ibáñez, J.
  last_name: Ibáñez
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
citation:
  ama: Gutiérrez J, Pérez J, Ramírez D, Vielva L, Ibáñez J, Santamaría I. Frequency-Domain
    Methodology for Measuring MIMO Channels Using a Generic Test Bed. <i>IEEE Trans
    Instrum Meas</i>. 2011;60(3):827–838. doi:<a href="https://doi.org/10.1109/TIM.2010.2082432">10.1109/TIM.2010.2082432</a>
  apa: Gutiérrez, J., Pérez, J., Ramírez, D., Vielva, L., Ibáñez, J., &#38; Santamaría,
    I. (2011). Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic
    Test Bed. <i>IEEE Trans. Instrum. Meas.</i>, <i>60</i>(3), 827–838. <a href="https://doi.org/10.1109/TIM.2010.2082432">https://doi.org/10.1109/TIM.2010.2082432</a>
  bibtex: '@article{Gutiérrez_Pérez_Ramírez_Vielva_Ibáñez_Santamaría_2011, title={Frequency-Domain
    Methodology for Measuring MIMO Channels Using a Generic Test Bed}, volume={60},
    DOI={<a href="https://doi.org/10.1109/TIM.2010.2082432">10.1109/TIM.2010.2082432</a>},
    number={3}, journal={IEEE Trans. Instrum. Meas.}, author={Gutiérrez, J. and Pérez,
    J. and Ramírez, D. and Vielva, L. and Ibáñez, J. and Santamaría, I.}, year={2011},
    pages={827–838} }'
  chicago: 'Gutiérrez, J., J. Pérez, D. Ramírez, L. Vielva, J. Ibáñez, and I. Santamaría.
    “Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test
    Bed.” <i>IEEE Trans. Instrum. Meas.</i> 60, no. 3 (2011): 827–838. <a href="https://doi.org/10.1109/TIM.2010.2082432">https://doi.org/10.1109/TIM.2010.2082432</a>.'
  ieee: 'J. Gutiérrez, J. Pérez, D. Ramírez, L. Vielva, J. Ibáñez, and I. Santamaría,
    “Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test
    Bed,” <i>IEEE Trans. Instrum. Meas.</i>, vol. 60, no. 3, pp. 827–838, 2011, doi:
    <a href="https://doi.org/10.1109/TIM.2010.2082432">10.1109/TIM.2010.2082432</a>.'
  mla: Gutiérrez, J., et al. “Frequency-Domain Methodology for Measuring MIMO Channels
    Using a Generic Test Bed.” <i>IEEE Trans. Instrum. Meas.</i>, vol. 60, no. 3,
    2011, pp. 827–838, doi:<a href="https://doi.org/10.1109/TIM.2010.2082432">10.1109/TIM.2010.2082432</a>.
  short: J. Gutiérrez, J. Pérez, D. Ramírez, L. Vielva, J. Ibáñez, I. Santamaría,
    IEEE Trans. Instrum. Meas. 60 (2011) 827–838.
date_created: 2023-01-30T11:52:00Z
date_updated: 2023-01-30T11:56:48Z
department:
- _id: '263'
doi: 10.1109/TIM.2010.2082432
intvolume: '        60'
issue: '3'
page: 827–838
publication: IEEE Trans. Instrum. Meas.
status: public
title: Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test
  Bed
type: journal_article
user_id: '43497'
volume: 60
year: '2011'
...
---
_id: '40839'
abstract:
- lang: eng
  text: Hardware platforms and testbeds are an essential tool to evaluate, in realistic
    scenarios, the performance of wireless communications systems. In this work we
    present a multiuser Multiple-Input Multiple-Output (MIMO) testbed made up of 6
    nodes, each one with 4 antennas, which allows us to evaluate Interference Alignment
    (IA) techniques in indoor scenarios. We specifically study the performance of
    IA for the 3-user interference channel in the 5 GHz band. Our analysis identifies
    the main practical issues that potentially degrade the IA performance such as
    channel estimation errors or collinearity between the desired signal and interference
    subspaces.
author:
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
- first_name: J. A.
  full_name: García-Naya, J. A.
  last_name: García-Naya
- first_name: L.
  full_name: Castedo, L.
  last_name: Castedo
citation:
  ama: 'Ramírez D, Santamaría I, García-Naya JA, Castedo L. Experimental Validation
    of Interference Alignment Techniques using a Multiuser MIMO Testbed. In: <i>Proc.
    Int. ITG Work. on Smart Antennas</i>. ; 2011. doi:<a href="https://doi.org/10.1109/WSA.2011.5741921">10.1109/WSA.2011.5741921</a>'
  apa: Ramírez, D., Santamaría, I., García-Naya, J. A., &#38; Castedo, L. (2011).
    Experimental Validation of Interference Alignment Techniques using a Multiuser
    MIMO Testbed. <i>Proc. Int. ITG Work. on Smart Antennas</i>. <a href="https://doi.org/10.1109/WSA.2011.5741921">https://doi.org/10.1109/WSA.2011.5741921</a>
  bibtex: '@inproceedings{Ramírez_Santamaría_García-Naya_Castedo_2011, place={Aachen,
    Germany}, title={Experimental Validation of Interference Alignment Techniques
    using a Multiuser MIMO Testbed}, DOI={<a href="https://doi.org/10.1109/WSA.2011.5741921">10.1109/WSA.2011.5741921</a>},
    booktitle={Proc. Int. ITG Work. on Smart Antennas}, author={Ramírez, D. and Santamaría,
    I. and García-Naya, J. A. and Castedo, L.}, year={2011} }'
  chicago: Ramírez, D., I. Santamaría, J. A. García-Naya, and L. Castedo. “Experimental
    Validation of Interference Alignment Techniques Using a Multiuser MIMO Testbed.”
    In <i>Proc. Int. ITG Work. on Smart Antennas</i>. Aachen, Germany, 2011. <a href="https://doi.org/10.1109/WSA.2011.5741921">https://doi.org/10.1109/WSA.2011.5741921</a>.
  ieee: 'D. Ramírez, I. Santamaría, J. A. García-Naya, and L. Castedo, “Experimental
    Validation of Interference Alignment Techniques using a Multiuser MIMO Testbed,”
    2011, doi: <a href="https://doi.org/10.1109/WSA.2011.5741921">10.1109/WSA.2011.5741921</a>.'
  mla: Ramírez, D., et al. “Experimental Validation of Interference Alignment Techniques
    Using a Multiuser MIMO Testbed.” <i>Proc. Int. ITG Work. on Smart Antennas</i>,
    2011, doi:<a href="https://doi.org/10.1109/WSA.2011.5741921">10.1109/WSA.2011.5741921</a>.
  short: 'D. Ramírez, I. Santamaría, J.A. García-Naya, L. Castedo, in: Proc. Int.
    ITG Work. on Smart Antennas, Aachen, Germany, 2011.'
date_created: 2023-01-30T11:52:00Z
date_updated: 2023-01-30T11:56:46Z
department:
- _id: '263'
doi: 10.1109/WSA.2011.5741921
place: Aachen, Germany
publication: Proc. Int. ITG Work. on Smart Antennas
status: public
title: Experimental Validation of Interference Alignment Techniques using a Multiuser
  MIMO Testbed
type: conference
user_id: '43497'
year: '2011'
...
---
_id: '40829'
author:
- first_name: G.
  full_name: Vazquez-Vilar, G.
  last_name: Vazquez-Vilar
- first_name: D.
  full_name: Romero, D.
  last_name: Romero
- first_name: R.
  full_name: López-Valcarce, R.
  last_name: López-Valcarce
- first_name: D.
  full_name: Ramírez, D.
  last_name: Ramírez
- first_name: J.
  full_name: Vía, J.
  last_name: Vía
- first_name: I.
  full_name: Santamaría, I.
  last_name: Santamaría
- first_name: J.
  full_name: Sala, J.
  last_name: Sala
citation:
  ama: 'Vazquez-Vilar G, Romero D, López-Valcarce R, et al. Recent advances in multiantenna
    spectrum sensing: complexity, noise uncertainty, and signal rank issues. In: <i>Int.
    Work. COST Action IC0902</i>. ; 2011.'
  apa: 'Vazquez-Vilar, G., Romero, D., López-Valcarce, R., Ramírez, D., Vía, J., Santamaría,
    I., &#38; Sala, J. (2011). Recent advances in multiantenna spectrum sensing: complexity,
    noise uncertainty, and signal rank issues. <i>Int. Work. COST Action IC0902</i>.'
  bibtex: '@inproceedings{Vazquez-Vilar_Romero_López-Valcarce_Ramírez_Vía_Santamaría_Sala_2011,
    place={Barcelona, Spain}, title={Recent advances in multiantenna spectrum sensing:
    complexity, noise uncertainty, and signal rank issues}, booktitle={Int. Work.
    COST Action IC0902}, author={Vazquez-Vilar, G. and Romero, D. and López-Valcarce,
    R. and Ramírez, D. and Vía, J. and Santamaría, I. and Sala, J.}, year={2011} }'
  chicago: 'Vazquez-Vilar, G., D. Romero, R. López-Valcarce, D. Ramírez, J. Vía, I.
    Santamaría, and J. Sala. “Recent Advances in Multiantenna Spectrum Sensing: Complexity,
    Noise Uncertainty, and Signal Rank Issues.” In <i>Int. Work. COST Action IC0902</i>.
    Barcelona, Spain, 2011.'
  ieee: 'G. Vazquez-Vilar <i>et al.</i>, “Recent advances in multiantenna spectrum
    sensing: complexity, noise uncertainty, and signal rank issues,” 2011.'
  mla: 'Vazquez-Vilar, G., et al. “Recent Advances in Multiantenna Spectrum Sensing:
    Complexity, Noise Uncertainty, and Signal Rank Issues.” <i>Int. Work. COST Action
    IC0902</i>, 2011.'
  short: 'G. Vazquez-Vilar, D. Romero, R. López-Valcarce, D. Ramírez, J. Vía, I. Santamaría,
    J. Sala, in: Int. Work. COST Action IC0902, Barcelona, Spain, 2011.'
date_created: 2023-01-30T11:51:58Z
date_updated: 2023-01-30T11:57:41Z
department:
- _id: '263'
place: Barcelona, Spain
publication: Int. Work. COST Action IC0902
status: public
title: 'Recent advances in multiantenna spectrum sensing: complexity, noise uncertainty,
  and signal rank issues'
type: conference
user_id: '43497'
year: '2011'
...
---
_id: '40089'
author:
- first_name: Frank
  full_name: Hellmich, Frank
  id: '26282'
  last_name: Hellmich
- first_name: Katharina
  full_name: Fricke, Katharina
  last_name: Fricke
citation:
  ama: 'Hellmich F, Fricke K. Qualitative und quantitative Forschungsmethoden in der
    Grundschulforschung. Eingangsreferat zum Nachwuchsworkshop auf der 20. Jahrestagung
    der Kommission “Grundschulforschung und Pädagogik der Primarstufe” der Deutschen
    Gesellschaft für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik). In: ;
    2011.'
  apa: Hellmich, F., &#38; Fricke, K. (2011). <i>Qualitative und quantitative Forschungsmethoden
    in der Grundschulforschung. Eingangsreferat zum Nachwuchsworkshop auf der 20.
    Jahrestagung der Kommission “Grundschulforschung und Pädagogik der Primarstufe”
    der Deutschen Gesellschaft für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)</i>.
  bibtex: '@inproceedings{Hellmich_Fricke_2011, place={Paderborn}, title={Qualitative
    und quantitative Forschungsmethoden in der Grundschulforschung. Eingangsreferat
    zum Nachwuchsworkshop auf der 20. Jahrestagung der Kommission “Grundschulforschung
    und Pädagogik der Primarstufe” der Deutschen Gesellschaft für Erziehungswissenschaft
    (DGfE, Sektion Schulpädagogik)}, author={Hellmich, Frank and Fricke, Katharina},
    year={2011} }'
  chicago: Hellmich, Frank, and Katharina Fricke. “Qualitative Und Quantitative Forschungsmethoden
    in Der Grundschulforschung. Eingangsreferat Zum Nachwuchsworkshop Auf Der 20.
    Jahrestagung Der Kommission ‘Grundschulforschung Und Pädagogik Der Primarstufe’
    Der Deutschen Gesellschaft Für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik).”
    Paderborn, 2011.
  ieee: F. Hellmich and K. Fricke, “Qualitative und quantitative Forschungsmethoden
    in der Grundschulforschung. Eingangsreferat zum Nachwuchsworkshop auf der 20.
    Jahrestagung der Kommission ‘Grundschulforschung und Pädagogik der Primarstufe’
    der Deutschen Gesellschaft für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik),”
    2011.
  mla: Hellmich, Frank, and Katharina Fricke. <i>Qualitative Und Quantitative Forschungsmethoden
    in Der Grundschulforschung. Eingangsreferat Zum Nachwuchsworkshop Auf Der 20.
    Jahrestagung Der Kommission “Grundschulforschung Und Pädagogik Der Primarstufe”
    Der Deutschen Gesellschaft Für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)</i>.
    2011.
  short: 'F. Hellmich, K. Fricke, in: Paderborn, 2011.'
date_created: 2023-01-25T17:08:51Z
date_updated: 2023-01-26T09:36:41Z
department:
- _id: '460'
language:
- iso: eng
place: Paderborn
status: public
title: Qualitative und quantitative Forschungsmethoden in der Grundschulforschung.
  Eingangsreferat zum Nachwuchsworkshop auf der 20. Jahrestagung der Kommission "Grundschulforschung
  und Pädagogik der Primarstufe" der Deutschen Gesellschaft für Erziehungswissenschaft
  (DGfE, Sektion Schulpädagogik)
type: conference
user_id: '57672'
year: '2011'
...
---
_id: '38243'
author:
- first_name: Sabrina
  full_name: Förster, Sabrina
  last_name: Förster
- first_name: Sandra
  full_name: Niebuhr-Siebert, Sandra
  last_name: Niebuhr-Siebert
- first_name: Frank
  full_name: Hellmich, Frank
  id: '26282'
  last_name: Hellmich
citation:
  ama: 'Förster S, Niebuhr-Siebert S, Hellmich F. Förderung der Lesekompetenz durch
    ein wortschatzbasiertes Lesestrategietraining bei Kindern mit Deutsch als Zweitsprache.
    Vortrag auf der 20. Jahrestagung der Kommission “Grundschulforschung und Pädagogik
    der Primarstufe” der Deutschen Gesellschaft für Erziehungswissenschaft (DGfE,
    Sektion Schulpädagogik). In: Universität Paderborn; 2011.'
  apa: Förster, S., Niebuhr-Siebert, S., &#38; Hellmich, F. (2011). <i>Förderung der
    Lesekompetenz durch ein wortschatzbasiertes Lesestrategietraining bei Kindern
    mit Deutsch als Zweitsprache. Vortrag auf der 20. Jahrestagung der Kommission
    “Grundschulforschung und Pädagogik der Primarstufe” der Deutschen Gesellschaft
    für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)</i>.
  bibtex: '@inproceedings{Förster_Niebuhr-Siebert_Hellmich_2011, place={Paderborn},
    title={Förderung der Lesekompetenz durch ein wortschatzbasiertes Lesestrategietraining
    bei Kindern mit Deutsch als Zweitsprache. Vortrag auf der 20. Jahrestagung der
    Kommission “Grundschulforschung und Pädagogik der Primarstufe” der Deutschen Gesellschaft
    für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)}, publisher={Universität
    Paderborn}, author={Förster, Sabrina and Niebuhr-Siebert, Sandra and Hellmich,
    Frank}, year={2011} }'
  chicago: 'Förster, Sabrina, Sandra Niebuhr-Siebert, and Frank Hellmich. “Förderung
    Der Lesekompetenz Durch Ein Wortschatzbasiertes Lesestrategietraining Bei Kindern
    Mit Deutsch Als Zweitsprache. Vortrag Auf Der 20. Jahrestagung Der Kommission
    ‘Grundschulforschung Und Pädagogik Der Primarstufe’ Der Deutschen Gesellschaft
    Für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik).” Paderborn: Universität
    Paderborn, 2011.'
  ieee: S. Förster, S. Niebuhr-Siebert, and F. Hellmich, “Förderung der Lesekompetenz
    durch ein wortschatzbasiertes Lesestrategietraining bei Kindern mit Deutsch als
    Zweitsprache. Vortrag auf der 20. Jahrestagung der Kommission ‘Grundschulforschung
    und Pädagogik der Primarstufe’ der Deutschen Gesellschaft für Erziehungswissenschaft
    (DGfE, Sektion Schulpädagogik),” 2011.
  mla: Förster, Sabrina, et al. <i>Förderung Der Lesekompetenz Durch Ein Wortschatzbasiertes
    Lesestrategietraining Bei Kindern Mit Deutsch Als Zweitsprache. Vortrag Auf Der
    20. Jahrestagung Der Kommission “Grundschulforschung Und Pädagogik Der Primarstufe”
    Der Deutschen Gesellschaft Für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)</i>.
    Universität Paderborn, 2011.
  short: 'S. Förster, S. Niebuhr-Siebert, F. Hellmich, in: Universität Paderborn,
    Paderborn, 2011.'
date_created: 2023-01-23T17:52:31Z
date_updated: 2023-01-26T09:37:52Z
department:
- _id: '460'
language:
- iso: eng
place: Paderborn
publisher: Universität Paderborn
status: public
title: Förderung der Lesekompetenz durch ein wortschatzbasiertes Lesestrategietraining
  bei Kindern mit Deutsch als Zweitsprache. Vortrag auf der 20. Jahrestagung der Kommission
  "Grundschulforschung und Pädagogik der Primarstufe" der Deutschen Gesellschaft für
  Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)
type: conference
user_id: '57672'
year: '2011'
...
---
_id: '38231'
author:
- first_name: Fabian Karl
  full_name: Hoya, Fabian Karl
  id: '10600'
  last_name: Hoya
- first_name: Frank
  full_name: Hellmich, Frank
  id: '26282'
  last_name: Hellmich
citation:
  ama: 'Hoya FK, Hellmich F. Erfassung fachdidaktischer Kompetenzen angehender Grundschullehrkräfte
    – Ergebnisse aus einem empirischen Forschungsprojekt. Vortrag auf der 20. Jahrestagung
    der Kommission “Grundschulforschung und Pädagogik der Primarstufe” der Deutschen
    Gesellschaft für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik). In: Universität
    Paderborn; 2011.'
  apa: Hoya, F. K., &#38; Hellmich, F. (2011). <i>Erfassung fachdidaktischer Kompetenzen
    angehender Grundschullehrkräfte – Ergebnisse aus einem empirischen Forschungsprojekt.
    Vortrag auf der 20. Jahrestagung der Kommission “Grundschulforschung und Pädagogik
    der Primarstufe” der Deutschen Gesellschaft für Erziehungswissenschaft (DGfE,
    Sektion Schulpädagogik)</i>.
  bibtex: '@inproceedings{Hoya_Hellmich_2011, place={Paderborn}, title={Erfassung
    fachdidaktischer Kompetenzen angehender Grundschullehrkräfte – Ergebnisse aus
    einem empirischen Forschungsprojekt. Vortrag auf der 20. Jahrestagung der Kommission
    “Grundschulforschung und Pädagogik der Primarstufe” der Deutschen Gesellschaft
    für Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)}, publisher={Universität
    Paderborn}, author={Hoya, Fabian Karl and Hellmich, Frank}, year={2011} }'
  chicago: 'Hoya, Fabian Karl, and Frank Hellmich. “Erfassung Fachdidaktischer Kompetenzen
    Angehender Grundschullehrkräfte – Ergebnisse Aus Einem Empirischen Forschungsprojekt.
    Vortrag Auf Der 20. Jahrestagung Der Kommission ‘Grundschulforschung Und Pädagogik
    Der Primarstufe’ Der Deutschen Gesellschaft Für Erziehungswissenschaft (DGfE,
    Sektion Schulpädagogik).” Paderborn: Universität Paderborn, 2011.'
  ieee: F. K. Hoya and F. Hellmich, “Erfassung fachdidaktischer Kompetenzen angehender
    Grundschullehrkräfte – Ergebnisse aus einem empirischen Forschungsprojekt. Vortrag
    auf der 20. Jahrestagung der Kommission ‘Grundschulforschung und Pädagogik der
    Primarstufe’ der Deutschen Gesellschaft für Erziehungswissenschaft (DGfE, Sektion
    Schulpädagogik),” 2011.
  mla: Hoya, Fabian Karl, and Frank Hellmich. <i>Erfassung Fachdidaktischer Kompetenzen
    Angehender Grundschullehrkräfte – Ergebnisse Aus Einem Empirischen Forschungsprojekt.
    Vortrag Auf Der 20. Jahrestagung Der Kommission “Grundschulforschung Und Pädagogik
    Der Primarstufe” Der Deutschen Gesellschaft Für Erziehungswissenschaft (DGfE,
    Sektion Schulpädagogik)</i>. Universität Paderborn, 2011.
  short: 'F.K. Hoya, F. Hellmich, in: Universität Paderborn, Paderborn, 2011.'
date_created: 2023-01-23T17:47:25Z
date_updated: 2023-01-26T09:38:10Z
department:
- _id: '460'
language:
- iso: eng
place: Paderborn
publisher: Universität Paderborn
status: public
title: Erfassung fachdidaktischer Kompetenzen angehender Grundschullehrkräfte – Ergebnisse
  aus einem empirischen Forschungsprojekt. Vortrag auf der 20. Jahrestagung der Kommission
  "Grundschulforschung und Pädagogik der Primarstufe" der Deutschen Gesellschaft für
  Erziehungswissenschaft (DGfE, Sektion Schulpädagogik)
type: conference
user_id: '57672'
year: '2011'
...
---
_id: '37030'
abstract:
- lang: ger
  text: Erziehungswissenschaft ist eine in mehreren Schritten in Deutschland seit
    Ende des 18. Jahrhunderts entstandene, definitiv seit Anfang des 20. Jahrhunderts
    etablierte wissenschaftliche Disziplin, die gegenwärtig meist zu den Sozialwissenschaften
    gerechnet wird. Ihr Gegenstand ist eine Praxis, die mit Grundbegriffen identifiziert
    wird, zu denen immer Erziehung und Bildung einschließlich Unterricht gehören,
    oft durch Sozialisation und andere Begriffe aus anderen Disziplinen erweitert.
    Ihre Methoden entstammen den Geistes- und Sozialwissenschaften.
author:
- first_name: Sandra
  full_name: Landhäußer, Sandra
  id: '93863'
  last_name: Landhäußer
citation:
  ama: 'Landhäußer S. Soziale Brennpunkte. In: Horn K-P, Kemnitz  H, Marotzki W, Sandfuchs  U,
    eds. <i>Lexikon Erziehungswissenschaft</i>. Julius Klinkhardt; 2011:S. 286-287.'
  apa: Landhäußer, S. (2011). Soziale Brennpunkte. In K.-P. Horn, H. Kemnitz , W.
    Marotzki, &#38; U. Sandfuchs  (Eds.), <i>Lexikon Erziehungswissenschaft</i> (p.
    S. 286-287). Julius Klinkhardt.
  bibtex: '@inbook{Landhäußer_2011, place={Heilbrunn}, title={Soziale Brennpunkte},
    booktitle={Lexikon Erziehungswissenschaft}, publisher={Julius Klinkhardt}, author={Landhäußer,
    Sandra}, editor={Horn, Klaus-Peter  and Kemnitz , Heidemarie  and Marotzki, Winfried  and
    Sandfuchs , Uwe }, year={2011}, pages={S. 286-287} }'
  chicago: 'Landhäußer, Sandra. “Soziale Brennpunkte.” In <i>Lexikon Erziehungswissenschaft</i>,
    edited by Klaus-Peter  Horn, Heidemarie  Kemnitz , Winfried  Marotzki, and Uwe  Sandfuchs
    , S. 286-287. Heilbrunn: Julius Klinkhardt, 2011.'
  ieee: 'S. Landhäußer, “Soziale Brennpunkte,” in <i>Lexikon Erziehungswissenschaft</i>,
    K.-P. Horn, H. Kemnitz , W. Marotzki, and U. Sandfuchs , Eds. Heilbrunn: Julius
    Klinkhardt, 2011, p. S. 286-287.'
  mla: Landhäußer, Sandra. “Soziale Brennpunkte.” <i>Lexikon Erziehungswissenschaft</i>,
    edited by Klaus-Peter  Horn et al., Julius Klinkhardt, 2011, p. S. 286-287.
  short: 'S. Landhäußer, in: K.-P. Horn, H. Kemnitz , W. Marotzki, U. Sandfuchs  (Eds.),
    Lexikon Erziehungswissenschaft, Julius Klinkhardt, Heilbrunn, 2011, p. S. 286-287.'
date_created: 2023-01-17T10:34:35Z
date_updated: 2023-01-27T10:07:24Z
department:
- _id: '723'
- _id: '36'
editor:
- first_name: 'Klaus-Peter '
  full_name: 'Horn, Klaus-Peter '
  last_name: Horn
- first_name: 'Heidemarie '
  full_name: 'Kemnitz , Heidemarie '
  last_name: 'Kemnitz '
- first_name: 'Winfried '
  full_name: 'Marotzki, Winfried '
  last_name: Marotzki
- first_name: 'Uwe '
  full_name: 'Sandfuchs , Uwe '
  last_name: 'Sandfuchs '
language:
- iso: eng
page: S. 286-287
place: Heilbrunn
publication: Lexikon Erziehungswissenschaft
publication_identifier:
  isbn:
  - '9783838584683'
publisher: Julius Klinkhardt
status: public
title: Soziale Brennpunkte
type: book_chapter
user_id: '48187'
year: '2011'
...
---
_id: '37920'
author:
- first_name: Rebecca
  full_name: Grotjahn, Rebecca
  id: '193'
  last_name: Grotjahn
citation:
  ama: Grotjahn R. Stimmbesitzer und Sängerdarsteller. Die Inszenierung des Singens
    auf der Musiktheater-Bühne in den ersten Jahrzehnten des 20. Jahrhunderts. <i>Frankfurter
    Zeitschrift für Musikwissenschaft</i>. 2011;14:1–25. doi:<a href="https://doi.org/10.5450/ejm.2011.14.6211
    ">10.5450/ejm.2011.14.6211 </a>
  apa: Grotjahn, R. (2011). Stimmbesitzer und Sängerdarsteller. Die Inszenierung des
    Singens auf der Musiktheater-Bühne in den ersten Jahrzehnten des 20. Jahrhunderts.
    <i>Frankfurter Zeitschrift Für Musikwissenschaft</i>, <i>14</i>, 1–25. <a href="https://doi.org/10.5450/ejm.2011.14.6211
    ">https://doi.org/10.5450/ejm.2011.14.6211 </a>
  bibtex: '@article{Grotjahn_2011, title={Stimmbesitzer und Sängerdarsteller. Die
    Inszenierung des Singens auf der Musiktheater-Bühne in den ersten Jahrzehnten
    des 20. Jahrhunderts}, volume={14}, DOI={<a href="https://doi.org/10.5450/ejm.2011.14.6211
    ">10.5450/ejm.2011.14.6211 </a>}, journal={Frankfurter Zeitschrift für Musikwissenschaft},
    author={Grotjahn, Rebecca}, year={2011}, pages={1–25} }'
  chicago: 'Grotjahn, Rebecca. “Stimmbesitzer Und Sängerdarsteller. Die Inszenierung
    Des Singens Auf Der Musiktheater-Bühne in Den Ersten Jahrzehnten Des 20. Jahrhunderts.”
    <i>Frankfurter Zeitschrift Für Musikwissenschaft</i> 14 (2011): 1–25. <a href="https://doi.org/10.5450/ejm.2011.14.6211
    ">https://doi.org/10.5450/ejm.2011.14.6211 </a>.'
  ieee: 'R. Grotjahn, “Stimmbesitzer und Sängerdarsteller. Die Inszenierung des Singens
    auf der Musiktheater-Bühne in den ersten Jahrzehnten des 20. Jahrhunderts,” <i>Frankfurter
    Zeitschrift für Musikwissenschaft</i>, vol. 14, pp. 1–25, 2011, doi: <a href="https://doi.org/10.5450/ejm.2011.14.6211
    ">10.5450/ejm.2011.14.6211 </a>.'
  mla: Grotjahn, Rebecca. “Stimmbesitzer Und Sängerdarsteller. Die Inszenierung Des
    Singens Auf Der Musiktheater-Bühne in Den Ersten Jahrzehnten Des 20. Jahrhunderts.”
    <i>Frankfurter Zeitschrift Für Musikwissenschaft</i>, vol. 14, 2011, pp. 1–25,
    doi:<a href="https://doi.org/10.5450/ejm.2011.14.6211 ">10.5450/ejm.2011.14.6211
    </a>.
  short: R. Grotjahn, Frankfurter Zeitschrift Für Musikwissenschaft 14 (2011) 1–25.
date_created: 2023-01-22T15:49:40Z
date_updated: 2023-01-27T14:30:06Z
ddc:
- '780'
department:
- _id: '535'
doi: '10.5450/ejm.2011.14.6211 '
file:
- access_level: closed
  content_type: application/pdf
  creator: tsteup
  date_created: 2023-01-22T15:48:50Z
  date_updated: 2023-01-22T15:48:50Z
  file_id: '37921'
  file_name: Artikel_1.pdf
  file_size: 117381
  relation: main_file
  success: 1
file_date_updated: 2023-01-22T15:48:50Z
has_accepted_license: '1'
intvolume: '        14'
language:
- iso: eng
page: 1–25
publication: Frankfurter Zeitschrift für Musikwissenschaft
related_material:
  record:
  - id: '37922'
    relation: later_version
    status: public
status: public
title: Stimmbesitzer und Sängerdarsteller. Die Inszenierung des Singens auf der Musiktheater-Bühne
  in den ersten Jahrzehnten des 20. Jahrhunderts
type: journal_article
user_id: '73564'
volume: 14
year: '2011'
...
---
_id: '41261'
author:
- first_name: Michael
  full_name: Hübner, Michael
  last_name: Hübner
- first_name: Dorota
  full_name: Koziej, Dorota
  last_name: Koziej
- first_name: Matthias
  full_name: Bauer, Matthias
  id: '47241'
  last_name: Bauer
  orcid: 0000-0002-9294-6076
- first_name: Nicolae
  full_name: Barsan, Nicolae
  last_name: Barsan
- first_name: Kristina
  full_name: Kvashnina, Kristina
  last_name: Kvashnina
- first_name: Marta D.
  full_name: Rossell, Marta D.
  last_name: Rossell
- first_name: Udo
  full_name: Weimar, Udo
  last_name: Weimar
- first_name: Jan‐Dierk
  full_name: Grunwaldt, Jan‐Dierk
  last_name: Grunwaldt
citation:
  ama: Hübner M, Koziej D, Bauer M, et al. The Structure and Behavior of Platinum
    in SnO            <sub>2</sub>            ‐Based Sensors under Working Conditions.
    <i>Angewandte Chemie International Edition</i>. 2011;50(12):2841-2844. doi:<a
    href="https://doi.org/10.1002/anie.201004499">10.1002/anie.201004499</a>
  apa: Hübner, M., Koziej, D., Bauer, M., Barsan, N., Kvashnina, K., Rossell, M. D.,
    Weimar, U., &#38; Grunwaldt, J. (2011). The Structure and Behavior of Platinum
    in SnO            <sub>2</sub>            ‐Based Sensors under Working Conditions.
    <i>Angewandte Chemie International Edition</i>, <i>50</i>(12), 2841–2844. <a href="https://doi.org/10.1002/anie.201004499">https://doi.org/10.1002/anie.201004499</a>
  bibtex: '@article{Hübner_Koziej_Bauer_Barsan_Kvashnina_Rossell_Weimar_Grunwaldt_2011,
    title={The Structure and Behavior of Platinum in SnO            <sub>2</sub> 
              ‐Based Sensors under Working Conditions}, volume={50}, DOI={<a href="https://doi.org/10.1002/anie.201004499">10.1002/anie.201004499</a>},
    number={12}, journal={Angewandte Chemie International Edition}, publisher={Wiley},
    author={Hübner, Michael and Koziej, Dorota and Bauer, Matthias and Barsan, Nicolae
    and Kvashnina, Kristina and Rossell, Marta D. and Weimar, Udo and Grunwaldt, Jan‐Dierk},
    year={2011}, pages={2841–2844} }'
  chicago: 'Hübner, Michael, Dorota Koziej, Matthias Bauer, Nicolae Barsan, Kristina
    Kvashnina, Marta D. Rossell, Udo Weimar, and Jan‐Dierk Grunwaldt. “The Structure
    and Behavior of Platinum in SnO            <sub>2</sub>            ‐Based Sensors
    under Working Conditions.” <i>Angewandte Chemie International Edition</i> 50,
    no. 12 (2011): 2841–44. <a href="https://doi.org/10.1002/anie.201004499">https://doi.org/10.1002/anie.201004499</a>.'
  ieee: 'M. Hübner <i>et al.</i>, “The Structure and Behavior of Platinum in SnO 
              <sub>2</sub>            ‐Based Sensors under Working Conditions,” <i>Angewandte
    Chemie International Edition</i>, vol. 50, no. 12, pp. 2841–2844, 2011, doi: <a
    href="https://doi.org/10.1002/anie.201004499">10.1002/anie.201004499</a>.'
  mla: Hübner, Michael, et al. “The Structure and Behavior of Platinum in SnO     
          <sub>2</sub>            ‐Based Sensors under Working Conditions.” <i>Angewandte
    Chemie International Edition</i>, vol. 50, no. 12, Wiley, 2011, pp. 2841–44, doi:<a
    href="https://doi.org/10.1002/anie.201004499">10.1002/anie.201004499</a>.
  short: M. Hübner, D. Koziej, M. Bauer, N. Barsan, K. Kvashnina, M.D. Rossell, U.
    Weimar, J. Grunwaldt, Angewandte Chemie International Edition 50 (2011) 2841–2844.
date_created: 2023-01-31T15:02:07Z
date_updated: 2023-01-31T15:02:22Z
department:
- _id: '306'
doi: 10.1002/anie.201004499
intvolume: '        50'
issue: '12'
keyword:
- General Chemistry
- Catalysis
language:
- iso: eng
page: 2841-2844
publication: Angewandte Chemie International Edition
publication_identifier:
  issn:
  - 1433-7851
  - 1521-3773
publication_status: published
publisher: Wiley
status: public
title: The Structure and Behavior of Platinum in SnO            <sub>2</sub>            ‐Based
  Sensors under Working Conditions
type: journal_article
user_id: '48467'
volume: 50
year: '2011'
...
---
_id: '42031'
article_number: '121302'
author:
- first_name: J.D
  full_name: Plumhof, J.D
  last_name: Plumhof
- first_name: V
  full_name: ' Krápek, V'
  last_name: ' Krápek'
- first_name: F
  full_name: Ding, F
  last_name: Ding
- first_name: Klaus D.
  full_name: Jöns, Klaus D.
  id: '85353'
  last_name: Jöns
- first_name: R
  full_name: Hafenbrak, R
  last_name: Hafenbrak
- first_name: P
  full_name: ' Klenovský, P'
  last_name: ' Klenovský'
- first_name: A
  full_name: Herklotz, A
  last_name: Herklotz
- first_name: K
  full_name: ' Dörr, K'
  last_name: ' Dörr'
- first_name: P
  full_name: ' Michler , P'
  last_name: ' Michler '
- first_name: A
  full_name: Rastelli,, A
  last_name: Rastelli,
- first_name: O.G
  full_name: Schmidt, O.G
  last_name: Schmidt
citation:
  ama: Plumhof JD,  Krápek V, Ding F, et al. Strain-induced anticrossing of bright
    exciton levels in single self-assembled GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs
    quantum dots. 2011;83.
  apa: Plumhof, J. D.,  Krápek, V., Ding, F., Jöns, K. D., Hafenbrak, R.,  Klenovský,
    P., Herklotz, A.,  Dörr, K.,  Michler , P., Rastelli, A., &#38; Schmidt, O. G.
    (2011). <i>Strain-induced anticrossing of bright exciton levels in single self-assembled
    GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs quantum dots</i> (No. 121302; Vol.
    83).
  bibtex: '@article{Plumhof_ Krápek_Ding_Jöns_Hafenbrak_ Klenovský_Herklotz_ Dörr_
    Michler _Rastelli,_et al._2011, series={Phys. Rev. B}, title={Strain-induced anticrossing
    of bright exciton levels in single self-assembled GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs
    quantum dots}, volume={83}, number={121302}, author={Plumhof, J.D and  Krápek,
    V and Ding, F and Jöns, Klaus D. and Hafenbrak, R and  Klenovský, P and Herklotz,
    A and  Dörr, K and  Michler , P and Rastelli, A and et al.}, year={2011}, collection={Phys.
    Rev. B} }'
  chicago: Plumhof, J.D, V  Krápek, F Ding, Klaus D. Jöns, R Hafenbrak, P  Klenovský,
    A Herklotz, et al. “Strain-Induced Anticrossing of Bright Exciton Levels in Single
    Self-Assembled GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs Quantum Dots.” Phys.
    Rev. B, 2011.
  ieee: J. D. Plumhof <i>et al.</i>, “Strain-induced anticrossing of bright exciton
    levels in single self-assembled GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs quantum
    dots,” vol. 83. 2011.
  mla: Plumhof, J. D., et al. <i>Strain-Induced Anticrossing of Bright Exciton Levels
    in Single Self-Assembled GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs Quantum Dots</i>.
    121302, 2011.
  short: J.D. Plumhof, V.  Krápek, F. Ding, K.D. Jöns, R. Hafenbrak, P.  Klenovský,
    A. Herklotz, K.  Dörr, P.  Michler , A. Rastelli,, O.G. Schmidt, 83 (2011).
date_created: 2023-02-13T08:26:54Z
date_updated: 2023-02-13T08:44:35Z
department:
- _id: '623'
intvolume: '        83'
language:
- iso: eng
series_title: Phys. Rev. B
status: public
title: Strain-induced anticrossing of bright exciton levels in single self-assembled
  GaAs/Al(x)Ga(1−x)As and In(x)Ga(1−x)As/GaAs quantum dots
type: conference
user_id: '71124'
volume: 83
year: '2011'
...
---
_id: '42032'
author:
- first_name: Klaus D.
  full_name: Jöns, Klaus D.
  id: '85353'
  last_name: Jöns
- first_name: R
  full_name: ' Hafenbrak, R'
  last_name: ' Hafenbrak'
- first_name: R
  full_name: Singh, R
  last_name: Singh
- first_name: F
  full_name: Ding, F
  last_name: Ding
- first_name: J.D
  full_name: ' Plumhof, J.D'
  last_name: ' Plumhof'
- first_name: A
  full_name: Rastelli, A
  last_name: Rastelli
- first_name: O.G
  full_name: ' Schmidt, O.G'
  last_name: ' Schmidt'
- first_name: G
  full_name: Bester, G
  last_name: Bester
- first_name: P
  full_name: Michler, P
  last_name: Michler
citation:
  ama: Jöns KD,  Hafenbrak R, Singh R, et al. Dependence of the Redshifted and Blueshifted
    Photoluminescence Spectra of Single In(x)Ga(1−x)As/GaAs Quantum Dots on the Applied
    Uniaxial Stress. 2011;107:217402.
  apa: Jöns, K. D.,  Hafenbrak, R., Singh, R., Ding, F.,  Plumhof, J. D., Rastelli,
    A.,  Schmidt, O. G., Bester, G., &#38; Michler, P. (2011). <i>Dependence of the
    Redshifted and Blueshifted Photoluminescence Spectra of Single In(x)Ga(1−x)As/GaAs
    Quantum Dots on the Applied Uniaxial Stress</i> (Vol. 107, p. 217402).
  bibtex: '@article{Jöns_ Hafenbrak_Singh_Ding_ Plumhof_Rastelli_ Schmidt_Bester_Michler_2011,
    series={Phys. Rev. Lett.}, title={Dependence of the Redshifted and Blueshifted
    Photoluminescence Spectra of Single In(x)Ga(1−x)As/GaAs Quantum Dots on the Applied
    Uniaxial Stress}, volume={107}, author={Jöns, Klaus D. and  Hafenbrak, R and Singh,
    R and Ding, F and  Plumhof, J.D and Rastelli, A and  Schmidt, O.G and Bester,
    G and Michler, P}, year={2011}, pages={217402}, collection={Phys. Rev. Lett.}
    }'
  chicago: Jöns, Klaus D., R  Hafenbrak, R Singh, F Ding, J.D  Plumhof, A Rastelli,
    O.G  Schmidt, G Bester, and P Michler. “Dependence of the Redshifted and Blueshifted
    Photoluminescence Spectra of Single In(x)Ga(1−x)As/GaAs Quantum Dots on the Applied
    Uniaxial Stress.” Phys. Rev. Lett., 2011.
  ieee: K. D. Jöns <i>et al.</i>, “Dependence of the Redshifted and Blueshifted Photoluminescence
    Spectra of Single In(x)Ga(1−x)As/GaAs Quantum Dots on the Applied Uniaxial Stress,”
    vol. 107. p. 217402, 2011.
  mla: Jöns, Klaus D., et al. <i>Dependence of the Redshifted and Blueshifted Photoluminescence
    Spectra of Single In(x)Ga(1−x)As/GaAs Quantum Dots on the Applied Uniaxial Stress</i>.
    2011, p. 217402.
  short: K.D. Jöns, R.  Hafenbrak, R. Singh, F. Ding, J.D.  Plumhof, A. Rastelli,
    O.G.  Schmidt, G. Bester, P. Michler, 107 (2011) 217402.
date_created: 2023-02-13T08:31:47Z
date_updated: 2023-02-13T08:44:28Z
department:
- _id: '623'
intvolume: '       107'
language:
- iso: eng
page: '217402'
series_title: Phys. Rev. Lett.
status: public
title: Dependence of the Redshifted and Blueshifted Photoluminescence Spectra of Single
  In(x)Ga(1−x)As/GaAs Quantum Dots on the Applied Uniaxial Stress
type: conference
user_id: '71124'
volume: 107
year: '2011'
...
---
_id: '37883'
citation:
  ama: Grotjahn R, Schmidt D, Seedorf T, eds. <i>Diva – Die Inszenierung Der Übermenschlichen
    Frau. Interdisziplinäre Untersuchungen Zu Einem Kulturellen Phänomen Des 19. Und
    20. Jahrhunderts</i>. Vol 7. Edition Argus; 2011.
  apa: Grotjahn, R., Schmidt, D., &#38; Seedorf, T. (Eds.). (2011). <i>Diva – Die
    Inszenierung der übermenschlichen Frau. Interdisziplinäre Untersuchungen zu einem
    kulturellen Phänomen des 19. und 20. Jahrhunderts</i> (Vol. 7). Edition Argus.
  bibtex: '@book{Grotjahn_Schmidt_Seedorf_2011, place={Schliengen}, series={Forum
    Musikwissenschaft}, title={Diva – Die Inszenierung der übermenschlichen Frau.
    Interdisziplinäre Untersuchungen zu einem kulturellen Phänomen des 19. und 20.
    Jahrhunderts}, volume={7}, publisher={Edition Argus}, year={2011}, collection={Forum
    Musikwissenschaft} }'
  chicago: 'Grotjahn, Rebecca, Dörte Schmidt, and Thomas  Seedorf, eds. <i>Diva –
    Die Inszenierung Der Übermenschlichen Frau. Interdisziplinäre Untersuchungen Zu
    Einem Kulturellen Phänomen Des 19. Und 20. Jahrhunderts</i>. Vol. 7. Forum Musikwissenschaft.
    Schliengen: Edition Argus, 2011.'
  ieee: 'R. Grotjahn, D. Schmidt, and T. Seedorf, Eds., <i>Diva – Die Inszenierung
    der übermenschlichen Frau. Interdisziplinäre Untersuchungen zu einem kulturellen
    Phänomen des 19. und 20. Jahrhunderts</i>, vol. 7. Schliengen: Edition Argus,
    2011.'
  mla: Grotjahn, Rebecca, et al., editors. <i>Diva – Die Inszenierung Der Übermenschlichen
    Frau. Interdisziplinäre Untersuchungen Zu Einem Kulturellen Phänomen Des 19. Und
    20. Jahrhunderts</i>. Edition Argus, 2011.
  short: R. Grotjahn, D. Schmidt, T. Seedorf, eds., Diva – Die Inszenierung Der Übermenschlichen
    Frau. Interdisziplinäre Untersuchungen Zu Einem Kulturellen Phänomen Des 19. Und
    20. Jahrhunderts, Edition Argus, Schliengen, 2011.
date_created: 2023-01-22T10:37:58Z
date_updated: 2023-02-23T11:21:54Z
department:
- _id: '535'
editor:
- first_name: Rebecca
  full_name: Grotjahn, Rebecca
  id: '193'
  last_name: Grotjahn
- first_name: Dörte
  full_name: Schmidt, Dörte
  last_name: Schmidt
- first_name: 'Thomas '
  full_name: 'Seedorf, Thomas '
  last_name: Seedorf
intvolume: '         7'
language:
- iso: eng
place: Schliengen
publication_identifier:
  isbn:
  - 978-3-931264-57-4
publisher: Edition Argus
related_material:
  record:
  - id: '37929'
    relation: published_in
    status: public
  - id: '42357'
    relation: other
    status: public
series_title: Forum Musikwissenschaft
status: public
title: Diva – Die Inszenierung der übermenschlichen Frau. Interdisziplinäre Untersuchungen
  zu einem kulturellen Phänomen des 19. und 20. Jahrhunderts
type: book_editor
user_id: '73564'
volume: 7
year: '2011'
...
---
_id: '25962'
abstract:
- lang: eng
  text: We report the correlation of the aging of Pd-doped SnO2 methane sensors with
    the change of the oxidation state of Pd. Mesoporous SnO2 doped with palladium
    species was prepared and exposed to different gas mixtures at high temperature
    (600 °C) to simulate long term usage. After each exposure step a fraction of the
    sample was cooled down to “freeze” the current oxidation state of Pd which was
    then analyzed by X-ray Absorption Near-Edge Spectroscopy (XANES) using the 'white
    line' (i.e. the absorption peak corresponding to the transition from the 2p3/2
    core level to unoccupied 4 d states) intensity of the L(III) edge as a probe for
    the oxidation state. The Pd oxidation state correlates with the response of the
    resistive SnO2 sensor to methane gas, as determined by measuring the gas response
    to different concentrations of methane. Samples treated with 5000 ppm methane
    in air show a significant reduction of Pd(II) to Pd(0), depending clearly on the
    carrier gas (synthetic air, pure nitrogen) and on the temperature (600 °C vs.
    300 °C).
article_type: original
author:
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: M.
  full_name: Bauer, M.
  last_name: Bauer
- first_name: T.
  full_name: Sauerwald, T.
  last_name: Sauerwald
- first_name: C.-D.
  full_name: Kohl, C.-D.
  last_name: Kohl
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: Wagner T, Bauer M, Sauerwald T, Kohl C-D, Tiemann M. X-ray absorption near-edge
    spectroscopy investigation of the oxidation state of Pd species in nanoporous
    SnO2 gas sensors for methane detection. <i>Thin Solid Films</i>. Published online
    2011:909-912. doi:<a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>
  apa: Wagner, T., Bauer, M., Sauerwald, T., Kohl, C.-D., &#38; Tiemann, M. (2011).
    X-ray absorption near-edge spectroscopy investigation of the oxidation state of
    Pd species in nanoporous SnO2 gas sensors for methane detection. <i>Thin Solid
    Films</i>, 909–912. <a href="https://doi.org/10.1016/j.tsf.2011.04.187">https://doi.org/10.1016/j.tsf.2011.04.187</a>
  bibtex: '@article{Wagner_Bauer_Sauerwald_Kohl_Tiemann_2011, title={X-ray absorption
    near-edge spectroscopy investigation of the oxidation state of Pd species in nanoporous
    SnO2 gas sensors for methane detection}, DOI={<a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>},
    journal={Thin Solid Films}, author={Wagner, T. and Bauer, M. and Sauerwald, T.
    and Kohl, C.-D. and Tiemann, Michael}, year={2011}, pages={909–912} }'
  chicago: Wagner, T., M. Bauer, T. Sauerwald, C.-D. Kohl, and Michael Tiemann. “X-Ray
    Absorption near-Edge Spectroscopy Investigation of the Oxidation State of Pd Species
    in Nanoporous SnO2 Gas Sensors for Methane Detection.” <i>Thin Solid Films</i>,
    2011, 909–12. <a href="https://doi.org/10.1016/j.tsf.2011.04.187">https://doi.org/10.1016/j.tsf.2011.04.187</a>.
  ieee: 'T. Wagner, M. Bauer, T. Sauerwald, C.-D. Kohl, and M. Tiemann, “X-ray absorption
    near-edge spectroscopy investigation of the oxidation state of Pd species in nanoporous
    SnO2 gas sensors for methane detection,” <i>Thin Solid Films</i>, pp. 909–912,
    2011, doi: <a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>.'
  mla: Wagner, T., et al. “X-Ray Absorption near-Edge Spectroscopy Investigation of
    the Oxidation State of Pd Species in Nanoporous SnO2 Gas Sensors for Methane Detection.”
    <i>Thin Solid Films</i>, 2011, pp. 909–12, doi:<a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>.
  short: T. Wagner, M. Bauer, T. Sauerwald, C.-D. Kohl, M. Tiemann, Thin Solid Films
    (2011) 909–912.
date_created: 2021-10-09T04:59:31Z
date_updated: 2023-03-09T08:28:16Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.tsf.2011.04.187
language:
- iso: eng
page: 909-912
publication: Thin Solid Films
publication_identifier:
  issn:
  - 0040-6090
publication_status: published
quality_controlled: '1'
status: public
title: X-ray absorption near-edge spectroscopy investigation of the oxidation state
  of Pd species in nanoporous SnO2 gas sensors for methane detection
type: journal_article
user_id: '23547'
year: '2011'
...
---
_id: '25963'
abstract:
- lang: eng
  text: We report the synthesis of mesoporous tin dioxide (SnO2) materials with well-defined
    particle morphology. The products consist of uniform spheres with a diameter of
    5 μm. The spheres are hierarchically porous with two distinct pore modes of 5.0
    nm and 52 nm, respectively. This special porosity is the result of a synthesis
    procedure which involves a ‘hard templating’ (nanocasting) process. The product
    forms an approximately homogeneous monolayer of spheres on a sensor substrate
    and shows promising response to methane gas with low cross-sensitivity to water.
    The structural properties and gas-sensing performance are compared with a mesoporous
    SnO2 material without defined morphology, prepared by a ‘soft templating’ procedure.
article_type: original
author:
- first_name: J.-H.
  full_name: Smått, J.-H.
  last_name: Smått
- first_name: M.
  full_name: Lindén, M.
  last_name: Lindén
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: C.-D.
  full_name: Kohl, C.-D.
  last_name: Kohl
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Smått J-H, Lindén M, Wagner T, Kohl C-D, Tiemann M. Micrometer-sized nanoporous
    tin dioxide spheres for gas sensing. <i>Sensors and Actuators B: Chemical</i>.
    Published online 2011:483-488. doi:<a href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>'
  apa: 'Smått, J.-H., Lindén, M., Wagner, T., Kohl, C.-D., &#38; Tiemann, M. (2011).
    Micrometer-sized nanoporous tin dioxide spheres for gas sensing. <i>Sensors and
    Actuators B: Chemical</i>, 483–488. <a href="https://doi.org/10.1016/j.snb.2010.12.051">https://doi.org/10.1016/j.snb.2010.12.051</a>'
  bibtex: '@article{Smått_Lindén_Wagner_Kohl_Tiemann_2011, title={Micrometer-sized
    nanoporous tin dioxide spheres for gas sensing}, DOI={<a href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>},
    journal={Sensors and Actuators B: Chemical}, author={Smått, J.-H. and Lindén,
    M. and Wagner, T. and Kohl, C.-D. and Tiemann, Michael}, year={2011}, pages={483–488}
    }'
  chicago: 'Smått, J.-H., M. Lindén, T. Wagner, C.-D. Kohl, and Michael Tiemann. “Micrometer-Sized
    Nanoporous Tin Dioxide Spheres for Gas Sensing.” <i>Sensors and Actuators B: Chemical</i>,
    2011, 483–88. <a href="https://doi.org/10.1016/j.snb.2010.12.051">https://doi.org/10.1016/j.snb.2010.12.051</a>.'
  ieee: 'J.-H. Smått, M. Lindén, T. Wagner, C.-D. Kohl, and M. Tiemann, “Micrometer-sized
    nanoporous tin dioxide spheres for gas sensing,” <i>Sensors and Actuators B: Chemical</i>,
    pp. 483–488, 2011, doi: <a href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>.'
  mla: 'Smått, J. H., et al. “Micrometer-Sized Nanoporous Tin Dioxide Spheres for
    Gas Sensing.” <i>Sensors and Actuators B: Chemical</i>, 2011, pp. 483–88, doi:<a
    href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>.'
  short: 'J.-H. Smått, M. Lindén, T. Wagner, C.-D. Kohl, M. Tiemann, Sensors and Actuators
    B: Chemical (2011) 483–488.'
date_created: 2021-10-09T05:00:31Z
date_updated: 2023-03-09T08:30:50Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.snb.2010.12.051
language:
- iso: eng
page: 483-488
publication: 'Sensors and Actuators B: Chemical'
publication_identifier:
  issn:
  - 0925-4005
publication_status: published
quality_controlled: '1'
status: public
title: Micrometer-sized nanoporous tin dioxide spheres for gas sensing
type: journal_article
user_id: '23547'
year: '2011'
...
---
_id: '25961'
abstract:
- lang: eng
  text: Mesoporous In2O3, synthesized by a nanocasting procedure, is used as a resistive
    gas sensor for ozone in very low concentrations (from 20 ppb to 2.4 ppm) at room
    temperature. Its sensing performance is substantially increased by illumination
    with blue light (460 nm, 2.7 eV). For low ozone concentrations the sensor response
    increases with increasing humidity. However, higher humidity also results in the
    occurrence of a saturation of the response at lower ozone concentrations; this
    is rationalized by assuming a poisoning of surface active sites by hydroxyl groups.
article_type: original
author:
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: J.
  full_name: Hennemann, J.
  last_name: Hennemann
- first_name: C.-D.
  full_name: Kohl, C.-D.
  last_name: Kohl
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Wagner T, Hennemann J, Kohl C-D, Tiemann M. Photocatalytic ozone sensor based
    on mesoporous indium oxide: Influence of the relative humidity on the sensing
    performance. <i>Thin Solid Films</i>. Published online 2011:918-921. doi:<a href="https://doi.org/10.1016/j.tsf.2011.04.181">10.1016/j.tsf.2011.04.181</a>'
  apa: 'Wagner, T., Hennemann, J., Kohl, C.-D., &#38; Tiemann, M. (2011). Photocatalytic
    ozone sensor based on mesoporous indium oxide: Influence of the relative humidity
    on the sensing performance. <i>Thin Solid Films</i>, 918–921. <a href="https://doi.org/10.1016/j.tsf.2011.04.181">https://doi.org/10.1016/j.tsf.2011.04.181</a>'
  bibtex: '@article{Wagner_Hennemann_Kohl_Tiemann_2011, title={Photocatalytic ozone
    sensor based on mesoporous indium oxide: Influence of the relative humidity on
    the sensing performance}, DOI={<a href="https://doi.org/10.1016/j.tsf.2011.04.181">10.1016/j.tsf.2011.04.181</a>},
    journal={Thin Solid Films}, author={Wagner, T. and Hennemann, J. and Kohl, C.-D.
    and Tiemann, Michael}, year={2011}, pages={918–921} }'
  chicago: 'Wagner, T., J. Hennemann, C.-D. Kohl, and Michael Tiemann. “Photocatalytic
    Ozone Sensor Based on Mesoporous Indium Oxide: Influence of the Relative Humidity
    on the Sensing Performance.” <i>Thin Solid Films</i>, 2011, 918–21. <a href="https://doi.org/10.1016/j.tsf.2011.04.181">https://doi.org/10.1016/j.tsf.2011.04.181</a>.'
  ieee: 'T. Wagner, J. Hennemann, C.-D. Kohl, and M. Tiemann, “Photocatalytic ozone
    sensor based on mesoporous indium oxide: Influence of the relative humidity on
    the sensing performance,” <i>Thin Solid Films</i>, pp. 918–921, 2011, doi: <a
    href="https://doi.org/10.1016/j.tsf.2011.04.181">10.1016/j.tsf.2011.04.181</a>.'
  mla: 'Wagner, T., et al. “Photocatalytic Ozone Sensor Based on Mesoporous Indium
    Oxide: Influence of the Relative Humidity on the Sensing Performance.” <i>Thin
    Solid Films</i>, 2011, pp. 918–21, doi:<a href="https://doi.org/10.1016/j.tsf.2011.04.181">10.1016/j.tsf.2011.04.181</a>.'
  short: T. Wagner, J. Hennemann, C.-D. Kohl, M. Tiemann, Thin Solid Films (2011)
    918–921.
date_created: 2021-10-09T04:57:57Z
date_updated: 2023-03-09T08:29:14Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.tsf.2011.04.181
language:
- iso: eng
page: 918-921
publication: Thin Solid Films
publication_identifier:
  issn:
  - 0040-6090
publication_status: published
quality_controlled: '1'
status: public
title: 'Photocatalytic ozone sensor based on mesoporous indium oxide: Influence of
  the relative humidity on the sensing performance'
type: journal_article
user_id: '23547'
year: '2011'
...
---
_id: '43259'
abstract:
- lang: eng
  text: The extreme nonlinear terahertz response of initially unexcited intrinsic
    semiconductor nanostructures is studied theoretically by solving extended semiconductor
    Bloch equations numerically. The coupled dynamics of intraband acceleration and
    multiphoton interband transitions leads to high-harmonic generation up to several
    tens of the exciting terahertz frequency. It is shown that the actual cut-off
    frequency is determined by the band structure and not by the excitation strength.
author:
- first_name: D.
  full_name: Golde, D.
  last_name: Golde
- first_name: M.
  full_name: Kira, M.
  last_name: Kira
- first_name: Torsten
  full_name: Meier, Torsten
  id: '344'
  last_name: Meier
  orcid: 0000-0001-8864-2072
- first_name: S.W.
  full_name: Koch, S.W.
  last_name: Koch
citation:
  ama: Golde D, Kira M, Meier T, Koch SW. Microscopic theory of the extremely nonlinear
    terahertz response of semiconductors. <i>physica status solidi (b)</i>. 2011;248(4):863-866.
    doi:<a href="https://doi.org/10.1002/pssb.201000840">10.1002/pssb.201000840</a>
  apa: Golde, D., Kira, M., Meier, T., &#38; Koch, S. W. (2011). Microscopic theory
    of the extremely nonlinear terahertz response of semiconductors. <i>Physica Status
    Solidi (b)</i>, <i>248</i>(4), 863–866. <a href="https://doi.org/10.1002/pssb.201000840">https://doi.org/10.1002/pssb.201000840</a>
  bibtex: '@article{Golde_Kira_Meier_Koch_2011, title={Microscopic theory of the extremely
    nonlinear terahertz response of semiconductors}, volume={248}, DOI={<a href="https://doi.org/10.1002/pssb.201000840">10.1002/pssb.201000840</a>},
    number={4}, journal={physica status solidi (b)}, publisher={WILEY‐VCH Verlag},
    author={Golde, D. and Kira, M. and Meier, Torsten and Koch, S.W.}, year={2011},
    pages={863–866} }'
  chicago: 'Golde, D., M. Kira, Torsten Meier, and S.W. Koch. “Microscopic Theory
    of the Extremely Nonlinear Terahertz Response of Semiconductors.” <i>Physica Status
    Solidi (b)</i> 248, no. 4 (2011): 863–66. <a href="https://doi.org/10.1002/pssb.201000840">https://doi.org/10.1002/pssb.201000840</a>.'
  ieee: 'D. Golde, M. Kira, T. Meier, and S. W. Koch, “Microscopic theory of the extremely
    nonlinear terahertz response of semiconductors,” <i>physica status solidi (b)</i>,
    vol. 248, no. 4, pp. 863–866, 2011, doi: <a href="https://doi.org/10.1002/pssb.201000840">10.1002/pssb.201000840</a>.'
  mla: Golde, D., et al. “Microscopic Theory of the Extremely Nonlinear Terahertz
    Response of Semiconductors.” <i>Physica Status Solidi (b)</i>, vol. 248, no. 4,
    WILEY‐VCH Verlag, 2011, pp. 863–66, doi:<a href="https://doi.org/10.1002/pssb.201000840">10.1002/pssb.201000840</a>.
  short: D. Golde, M. Kira, T. Meier, S.W. Koch, Physica Status Solidi (b) 248 (2011)
    863–866.
date_created: 2023-04-01T21:26:20Z
date_updated: 2023-04-01T21:26:30Z
department:
- _id: '293'
doi: 10.1002/pssb.201000840
intvolume: '       248'
issue: '4'
language:
- iso: eng
main_file_link:
- url: https://onlinelibrary.wiley.com/doi/abs/10.1002/pssb.201000840
page: 863-866
publication: physica status solidi (b)
publication_status: published
publisher: WILEY‐VCH Verlag
status: public
title: Microscopic theory of the extremely nonlinear terahertz response of semiconductors
type: journal_article
user_id: '49063'
volume: 248
year: '2011'
...
