---
_id: '9878'
abstract:
- lang: eng
  text: (K,Na)NbO3 ceramics have attracted much attention as lead-free piezoelectric
    materials with high piezoelectric properties. High-quality (K,Na)NbO3 ceramics
    can be sintered using KNbO3 and NaNbO3 powders synthesized by a hydrothermal method.
    In this study, to enhance the quality factor of the ceramics, high-power ultrasonic
    irradiation was employed during the hydrothermal method, which led to a reduction
    in the particle size of the resultant powders.
author:
- first_name: G.
  full_name: Isobe, G.
  last_name: Isobe
- first_name: Takafumi
  full_name: Maeda, Takafumi
  last_name: Maeda
- first_name: Peter
  full_name: Bornmann, Peter
  last_name: Bornmann
- first_name: Tobias
  full_name: Hemsel, Tobias
  id: '210'
  last_name: Hemsel
- first_name: Takeshi
  full_name: Morita, Takeshi
  last_name: Morita
citation:
  ama: Isobe G, Maeda T, Bornmann P, Hemsel T, Morita T. Synthesis of lead-free piezoelectric
    powders by ultrasonic-assisted hydrothermal method and properties of sintered
    (K0.48Na0.52)NBO3 ceramics. <i>Ultrasonics, Ferroelectrics, and Frequency Control,
    IEEE Transactions on</i>. 2014;61(2):225-230. doi:<a href="https://doi.org/10.1109/TUFFC.2014.6722608">10.1109/TUFFC.2014.6722608</a>
  apa: Isobe, G., Maeda, T., Bornmann, P., Hemsel, T., &#38; Morita, T. (2014). Synthesis
    of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal method
    and properties of sintered (K0.48Na0.52)NBO3 ceramics. <i>Ultrasonics, Ferroelectrics,
    and Frequency Control, IEEE Transactions On</i>, <i>61</i>(2), 225–230. <a href="https://doi.org/10.1109/TUFFC.2014.6722608">https://doi.org/10.1109/TUFFC.2014.6722608</a>
  bibtex: '@article{Isobe_Maeda_Bornmann_Hemsel_Morita_2014, title={Synthesis of lead-free
    piezoelectric powders by ultrasonic-assisted hydrothermal method and properties
    of sintered (K0.48Na0.52)NBO3 ceramics}, volume={61}, DOI={<a href="https://doi.org/10.1109/TUFFC.2014.6722608">10.1109/TUFFC.2014.6722608</a>},
    number={2}, journal={Ultrasonics, Ferroelectrics, and Frequency Control, IEEE
    Transactions on}, author={Isobe, G. and Maeda, Takafumi and Bornmann, Peter and
    Hemsel, Tobias and Morita, Takeshi}, year={2014}, pages={225–230} }'
  chicago: 'Isobe, G., Takafumi Maeda, Peter Bornmann, Tobias Hemsel, and Takeshi
    Morita. “Synthesis of Lead-Free Piezoelectric Powders by Ultrasonic-Assisted Hydrothermal
    Method and Properties of Sintered (K0.48Na0.52)NBO3 Ceramics.” <i>Ultrasonics,
    Ferroelectrics, and Frequency Control, IEEE Transactions On</i> 61, no. 2 (2014):
    225–30. <a href="https://doi.org/10.1109/TUFFC.2014.6722608">https://doi.org/10.1109/TUFFC.2014.6722608</a>.'
  ieee: G. Isobe, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Synthesis of lead-free
    piezoelectric powders by ultrasonic-assisted hydrothermal method and properties
    of sintered (K0.48Na0.52)NBO3 ceramics,” <i>Ultrasonics, Ferroelectrics, and Frequency
    Control, IEEE Transactions on</i>, vol. 61, no. 2, pp. 225–230, 2014.
  mla: Isobe, G., et al. “Synthesis of Lead-Free Piezoelectric Powders by Ultrasonic-Assisted
    Hydrothermal Method and Properties of Sintered (K0.48Na0.52)NBO3 Ceramics.” <i>Ultrasonics,
    Ferroelectrics, and Frequency Control, IEEE Transactions On</i>, vol. 61, no.
    2, 2014, pp. 225–30, doi:<a href="https://doi.org/10.1109/TUFFC.2014.6722608">10.1109/TUFFC.2014.6722608</a>.
  short: G. Isobe, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, Ultrasonics, Ferroelectrics,
    and Frequency Control, IEEE Transactions On 61 (2014) 225–230.
date_created: 2019-05-20T13:10:14Z
date_updated: 2019-09-16T10:53:17Z
department:
- _id: '151'
doi: 10.1109/TUFFC.2014.6722608
intvolume: '        61'
issue: '2'
keyword:
- Q-factor
- ceramics
- crystal growth from solution
- particle size
- piezoelectric materials
- potassium compounds
- powders
- sintering
- sodium compounds
- ultrasonic effects
- (K0.48Na0.52)NbO3
- KNbO3 powders
- NaNbO3 powders
- high-power ultrasonic irradiation
- lead-free piezoelectric materials
- lead-free piezoelectric powders
- particle size reduction
- piezoelectric properties
- quality factor
- sintered (K0.48Na0.52)NbO3 ceramics
- sintering
- ultrasonic-assisted hydrothermal method
- Acoustics
- Ceramics
- Lead
- Piezoelectric materials
- Powders
- Radiation effects
- Transducers
language:
- iso: eng
page: 225-230
publication: Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions
  on
publication_identifier:
  issn:
  - 0885-3010
quality_controlled: '1'
status: public
title: Synthesis of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal
  method and properties of sintered (K0.48Na0.52)NBO3 ceramics
type: journal_article
user_id: '55222'
volume: 61
year: '2014'
...
---
_id: '9743'
abstract:
- lang: eng
  text: The hydrothermal method enables the production of high-quality piezoelectric
    materials. In this study, we propose to irradiate the reaction solutions with
    ultrasonic power during the hydrothermal method to obtain a shorter reaction time
    and a smooth film surface. A high-pressure reaction container for the ultrasonic
    transducer was newly developed, and the ultrasonically-assisted hydrothermal method
    was examined by using this container. The effect of ultrasonic assist on the synthesis
    of lead-zirconate-titanate (PZT) thin films and (K,Na)NbO$_{3}$ powders was verified.
    Thicker PZT film, thickness around 10 ${\mu}$m, could be obtained in one process,
    and (K,Na)NbO$_{3}$ powder was synthesized in half the previous reaction time.
author:
- first_name: Ryo
  full_name: Ageba, Ryo
  last_name: Ageba
- first_name: Yoichi
  full_name: Kadota, Yoichi
  last_name: Kadota
- first_name: Takafumi
  full_name: Maeda, Takafumi
  last_name: Maeda
- first_name: Norihito
  full_name: Takiguchi, Norihito
  last_name: Takiguchi
- first_name: Takeshi
  full_name: Morita, Takeshi
  last_name: Morita
- first_name: Mutsuo
  full_name: Ishikawa, Mutsuo
  last_name: Ishikawa
- first_name: Peter
  full_name: Bornmann, Peter
  last_name: Bornmann
- first_name: Tobias
  full_name: Hemsel, Tobias
  id: '210'
  last_name: Hemsel
citation:
  ama: Ageba R, Kadota Y, Maeda T, et al. Ultrasonically-assisted Hydrothermal Method
    for Ferroelectric Material Synthesis. <i>Journal of Korean Physical Society</i>.
    2010;57(4):918-923. doi:<a href="https://doi.org/10.3938/jkps.57.918">10.3938/jkps.57.918</a>
  apa: Ageba, R., Kadota, Y., Maeda, T., Takiguchi, N., Morita, T., Ishikawa, M.,
    … Hemsel, T. (2010). Ultrasonically-assisted Hydrothermal Method for Ferroelectric
    Material Synthesis. <i>Journal of Korean Physical Society</i>, <i>57</i>(4), 918–923.
    <a href="https://doi.org/10.3938/jkps.57.918">https://doi.org/10.3938/jkps.57.918</a>
  bibtex: '@article{Ageba_Kadota_Maeda_Takiguchi_Morita_Ishikawa_Bornmann_Hemsel_2010,
    title={Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material
    Synthesis}, volume={57}, DOI={<a href="https://doi.org/10.3938/jkps.57.918">10.3938/jkps.57.918</a>},
    number={4}, journal={Journal of Korean Physical Society}, author={Ageba, Ryo and
    Kadota, Yoichi and Maeda, Takafumi and Takiguchi, Norihito and Morita, Takeshi
    and Ishikawa, Mutsuo and Bornmann, Peter and Hemsel, Tobias}, year={2010}, pages={918–923}
    }'
  chicago: 'Ageba, Ryo, Yoichi Kadota, Takafumi Maeda, Norihito Takiguchi, Takeshi
    Morita, Mutsuo Ishikawa, Peter Bornmann, and Tobias Hemsel. “Ultrasonically-Assisted
    Hydrothermal Method for Ferroelectric Material Synthesis.” <i>Journal of Korean
    Physical Society</i> 57, no. 4 (2010): 918–23. <a href="https://doi.org/10.3938/jkps.57.918">https://doi.org/10.3938/jkps.57.918</a>.'
  ieee: R. Ageba <i>et al.</i>, “Ultrasonically-assisted Hydrothermal Method for Ferroelectric
    Material Synthesis,” <i>Journal of Korean Physical Society</i>, vol. 57, no. 4,
    pp. 918–923, 2010.
  mla: Ageba, Ryo, et al. “Ultrasonically-Assisted Hydrothermal Method for Ferroelectric
    Material Synthesis.” <i>Journal of Korean Physical Society</i>, vol. 57, no. 4,
    2010, pp. 918–23, doi:<a href="https://doi.org/10.3938/jkps.57.918">10.3938/jkps.57.918</a>.
  short: R. Ageba, Y. Kadota, T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, P. Bornmann,
    T. Hemsel, Journal of Korean Physical Society 57 (2010) 918–923.
date_created: 2019-05-13T09:35:33Z
date_updated: 2022-01-06T07:04:19Z
department:
- _id: '151'
doi: 10.3938/jkps.57.918
intvolume: '        57'
issue: '4'
keyword:
- Hydrothermal method
- High-power ultrasonic
- PZT thin film
- Lead-free piezoelectric materials
language:
- iso: eng
page: 918-923
publication: Journal of Korean Physical Society
publication_identifier:
  issn:
  - 1948-5719
quality_controlled: '1'
status: public
title: Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material Synthesis
type: journal_article
user_id: '55222'
volume: 57
year: '2010'
...
---
_id: '9571'
abstract:
- lang: eng
  text: 'Several positioning tasks demand translatory drive instead of rotary motion.
    To achieve drives that are capable, e.g., to drive the sunroof of a car or to
    lift a car''s window, multiple miniaturized motors can be combined. But in this
    case many other questions arise: The electromechanical behavior of the individual
    motors differs slightly, the motor characteristics are strongly dependent on the
    driving parameters and the driven load, many applications need some extra power
    for special cases like overcoming higher forces periodically. Thus, the bundle
    of motors has to act well-organized and at last controlled to get an optimized
    drive that is not oversized and costly.'
author:
- first_name: Maik
  full_name: Mracek, Maik
  last_name: Mracek
- first_name: Tobias
  full_name: Hemsel, Tobias
  id: '210'
  last_name: Hemsel
- first_name: Thomas
  full_name: Sattel, Thomas
  last_name: Sattel
- first_name: Piotr
  full_name: Vasiljev, Piotr
  last_name: Vasiljev
- first_name: Jörg
  full_name: Wallaschek, Jörg
  last_name: Wallaschek
citation:
  ama: Mracek M, Hemsel T, Sattel T, Vasiljev P, Wallaschek J. Driving concepts for
    bundled ultrasonic linear motors. <i>Journal of Electroceramics</i>. 2008;20(3-4):153-158.
    doi:<a href="https://doi.org/10.1007/s10832-007-9123-5">10.1007/s10832-007-9123-5</a>
  apa: Mracek, M., Hemsel, T., Sattel, T., Vasiljev, P., &#38; Wallaschek, J. (2008).
    Driving concepts for bundled ultrasonic linear motors. <i>Journal of Electroceramics</i>,
    <i>20</i>(3–4), 153–158. <a href="https://doi.org/10.1007/s10832-007-9123-5">https://doi.org/10.1007/s10832-007-9123-5</a>
  bibtex: '@article{Mracek_Hemsel_Sattel_Vasiljev_Wallaschek_2008, title={Driving
    concepts for bundled ultrasonic linear motors}, volume={20}, DOI={<a href="https://doi.org/10.1007/s10832-007-9123-5">10.1007/s10832-007-9123-5</a>},
    number={3–4}, journal={Journal of Electroceramics}, publisher={Springer US}, author={Mracek,
    Maik and Hemsel, Tobias and Sattel, Thomas and Vasiljev, Piotr and Wallaschek,
    Jörg}, year={2008}, pages={153–158} }'
  chicago: 'Mracek, Maik, Tobias Hemsel, Thomas Sattel, Piotr Vasiljev, and Jörg Wallaschek.
    “Driving Concepts for Bundled Ultrasonic Linear Motors.” <i>Journal of Electroceramics</i>
    20, no. 3–4 (2008): 153–58. <a href="https://doi.org/10.1007/s10832-007-9123-5">https://doi.org/10.1007/s10832-007-9123-5</a>.'
  ieee: M. Mracek, T. Hemsel, T. Sattel, P. Vasiljev, and J. Wallaschek, “Driving
    concepts for bundled ultrasonic linear motors,” <i>Journal of Electroceramics</i>,
    vol. 20, no. 3–4, pp. 153–158, 2008.
  mla: Mracek, Maik, et al. “Driving Concepts for Bundled Ultrasonic Linear Motors.”
    <i>Journal of Electroceramics</i>, vol. 20, no. 3–4, Springer US, 2008, pp. 153–58,
    doi:<a href="https://doi.org/10.1007/s10832-007-9123-5">10.1007/s10832-007-9123-5</a>.
  short: M. Mracek, T. Hemsel, T. Sattel, P. Vasiljev, J. Wallaschek, Journal of Electroceramics
    20 (2008) 153–158.
date_created: 2019-04-29T12:27:25Z
date_updated: 2022-01-06T07:04:16Z
department:
- _id: '151'
doi: 10.1007/s10832-007-9123-5
intvolume: '        20'
issue: 3-4
keyword:
- Ultrasonic linear motor
- High power
- Control
- Modeling
- Characteristics
language:
- iso: eng
page: 153-158
publication: Journal of Electroceramics
publication_identifier:
  issn:
  - 1385-3449
publisher: Springer US
quality_controlled: '1'
status: public
title: Driving concepts for bundled ultrasonic linear motors
type: journal_article
user_id: '55222'
volume: 20
year: '2008'
...
---
_id: '9519'
abstract:
- lang: eng
  text: 'Several positioning tasks demand translatory drive instead of rotary motion.
    To achieve drives that are capable e.g. to drive the sunroof of a car or to lift
    a car''s window, multiple miniaturized motors can be combined. But in this case
    many other questions arise: the electromechanical behavior of the individual motors
    differs slightly, the motor characteristics are strongly dependent on the driving
    parameters and the driven load, many applications need some extra power for special
    cases like overcoming higher forces periodically. Thus, the bundle of motors has
    to act well organized and controlled to get an optimized drive that is not oversized
    and costly.'
author:
- first_name: Tobias
  full_name: Hemsel, Tobias
  id: '210'
  last_name: Hemsel
- first_name: Maik
  full_name: Mracek, Maik
  last_name: Mracek
- first_name: Jörg
  full_name: Wallaschek, Jörg
  last_name: Wallaschek
- first_name: Piotr
  full_name: Vasiljev, Piotr
  last_name: Vasiljev
citation:
  ama: 'Hemsel T, Mracek M, Wallaschek J, Vasiljev P. A novel approach for high power
    ultrasonic linear motors. In: <i>Ultrasonics Symposium, 2004 IEEE</i>. Vol 2.
    ; 2004:1161-1164. doi:<a href="https://doi.org/10.1109/ULTSYM.2004.1417988">10.1109/ULTSYM.2004.1417988</a>'
  apa: Hemsel, T., Mracek, M., Wallaschek, J., &#38; Vasiljev, P. (2004). A novel
    approach for high power ultrasonic linear motors. In <i>Ultrasonics Symposium,
    2004 IEEE</i> (Vol. 2, pp. 1161–1164). <a href="https://doi.org/10.1109/ULTSYM.2004.1417988">https://doi.org/10.1109/ULTSYM.2004.1417988</a>
  bibtex: '@inproceedings{Hemsel_Mracek_Wallaschek_Vasiljev_2004, title={A novel approach
    for high power ultrasonic linear motors}, volume={2}, DOI={<a href="https://doi.org/10.1109/ULTSYM.2004.1417988">10.1109/ULTSYM.2004.1417988</a>},
    number={Vol.2}, booktitle={Ultrasonics Symposium, 2004 IEEE}, author={Hemsel,
    Tobias and Mracek, Maik and Wallaschek, Jörg and Vasiljev, Piotr}, year={2004},
    pages={1161–1164} }'
  chicago: Hemsel, Tobias, Maik Mracek, Jörg Wallaschek, and Piotr Vasiljev. “A Novel
    Approach for High Power Ultrasonic Linear Motors.” In <i>Ultrasonics Symposium,
    2004 IEEE</i>, 2:1161–64, 2004. <a href="https://doi.org/10.1109/ULTSYM.2004.1417988">https://doi.org/10.1109/ULTSYM.2004.1417988</a>.
  ieee: T. Hemsel, M. Mracek, J. Wallaschek, and P. Vasiljev, “A novel approach for
    high power ultrasonic linear motors,” in <i>Ultrasonics Symposium, 2004 IEEE</i>,
    2004, vol. 2, no. Vol.2, pp. 1161–1164.
  mla: Hemsel, Tobias, et al. “A Novel Approach for High Power Ultrasonic Linear Motors.”
    <i>Ultrasonics Symposium, 2004 IEEE</i>, vol. 2, no. Vol.2, 2004, pp. 1161–64,
    doi:<a href="https://doi.org/10.1109/ULTSYM.2004.1417988">10.1109/ULTSYM.2004.1417988</a>.
  short: 'T. Hemsel, M. Mracek, J. Wallaschek, P. Vasiljev, in: Ultrasonics Symposium,
    2004 IEEE, 2004, pp. 1161–1164.'
date_created: 2019-04-29T08:12:06Z
date_updated: 2022-01-06T07:04:16Z
department:
- _id: '151'
doi: 10.1109/ULTSYM.2004.1417988
intvolume: '         2'
issue: Vol.2
keyword:
- drives
- electromechanical effects
- linear motors
- ultrasonic motors
- car sunroof
- car window
- electromechanical behavior
- high power ultrasonic linear motors
- multiple miniaturized motors
- positioning tasks
- translatory drive
- Costs
- Electromagnetic forces
- Frequency
- Laboratories
- Manufacturing
- Mechatronics
- Micromotors
- Ultrasonic imaging
- Vibrations
- Voltage
language:
- iso: eng
page: 1161-1164
publication: Ultrasonics Symposium, 2004 IEEE
publication_identifier:
  issn:
  - 1051-0117
quality_controlled: '1'
status: public
title: A novel approach for high power ultrasonic linear motors
type: conference
user_id: '55222'
volume: 2
year: '2004'
...