Please note that LibreCat no longer supports Internet Explorer versions 8 or 9 (or earlier).
We recommend upgrading to the latest Internet Explorer, Google Chrome, or Firefox.
655 Publications
2004 | Book Chapter | LibreCat-ID: 8454
Kremer H-H. Qualifizierungsnetzwerke - Lernumgebung für Lehrkräfte. In: Gramlinger F, Steinemann S, Tramm T, eds. Lernfelder gestalten - miteinander Lernen - Innovationen vernetzen. Ergebnisse der 1. CULIK Fachtagung. Paderborn; 2004:82-95.
LibreCat
2004 | Journal Article | LibreCat-ID: 850
Gross J, Klaue J, Karl H, Wolisz A. Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming. Computer Communications. 2004;(11):1044--1055. doi:10.1016/j.comcom.2004.01.010
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 851
Niebert N, Schieder A, Abramowicz H, et al. Ambient networks: An architecture for communication networks beyond 3G. IEEE Wireless Communications. 2004;(2):14--22. doi:10.1109/MWC.2004.1295733
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 852
Handziski V, Köpke A, Karl H, Frank C, Drytkiewicz W. Improving the Energy Efficiency of Directed Diffusion Using Passive Clustering. In: Wireless Sensor Networks, First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings. ; 2004:172--187. doi:10.1007/978-3-540-24606-0_12
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 853
Typpö V, Eisl J, Höller J, Agüero R, Karl H. Research Challenges in Mobility and Moving Networks: An Ambient Networks View. In: Broadband Satellite Comunication Systems and the Challenges of Mobility - IFIP TC6 Workshops on Broadband Satellite Communication Systems and Challenges of Mobility, World Computer Congress, August 22-27, 2004, Toulouse, France. ; 2004:145--155. doi:10.1007/0-387-24043-8_15
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 854
Frank C, Karl H. Consistency challenges of service discovery in mobile ad hoc networks. In: Proceedings of the 7th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2004, Venice, Italy, October 4-6, 2004. ; 2004:105--114. doi:10.1145/1023663.1023684
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 855
Marie Feeney L, Hollos D, Kubisch M, Mengesha S, Karl H. A Geometric Derivation of the Probability of Finding a Relay in Multi-rate Networks. In: NETWORKING 2004, Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication, Third International IFIP-TC6 Networking Conference, Athens, Greece, May 9-14, 2004, Proceedings. ; 2004:1312--1317. doi:10.1007/978-3-540-24693-0_112
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 856
Hollos D, Karl H, Wolisz A. Regionalizing global optimization algorithms to improve the operation of large ad hoc networks. In: 2004 IEEE Wireless Communications and Networking Conference, WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004. ; 2004:819--824. doi:10.1109/WCNC.2004.1311292
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 857
Raguin D, Kubisch M, Karl H, Wolisz A. Queue-driven cut-through medium access in wireless ad hoc networks. In: 2004 IEEE Wireless Communications and Networking Conference , WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004. ; 2004:1909--1914. doi:10.1109/WCNC.2004.1311845
LibreCat
| DOI
2004 | Book Chapter | LibreCat-ID: 858
Karl H. Data Transmission in Mobile Communication Systems. In: Location-Based Services. ; 2004:207--244.
LibreCat
2004 | Conference (Editor) | LibreCat-ID: 859
Karl H, Willig A, Wolisz A, eds. Wireless Sensor Networks. First European Workshop, {EWSN} 2004, Berlin, Germany, January 19-21, 2004, Proceedings; 2004. doi:10.1007/b94854
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8676
Langbein W, Borri P, Woggon U, et al. Coherent dynamics in InGaAs quantum dots and quantum dot molecules. Physica E: Low-dimensional Systems and Nanostructures. 2004:400-407. doi:10.1016/j.physe.2004.08.004
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8680
Reuter D, Kailuweit P, Wieck AD, Zeitler U, Maan JC. Magnetic field dependence of hole levels in InAs quantum dots. Physica E: Low-dimensional Systems and Nanostructures. 2004:446-449. doi:10.1016/j.physe.2004.08.078
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8687
Schuster E, Keune W, Lo F-Y, Reuter D, Wieck A, Westerholt K. Preparation and characterization of epitaxial Fe(001) thin films on GaAs(001)-based LED for spin injection. Superlattices and Microstructures. 2004:313-320. doi:10.1016/j.spmi.2004.11.004
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8688
Schmidt R, Vitzethum M, Fix R, et al. Electroluminescence of single-dot nano-LEDs—optical spectroscopy of an electrically tunable few-electron/hole system. Physica E: Low-dimensional Systems and Nanostructures. 2004:110-114. doi:10.1016/j.physe.2004.08.034
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8692
Kähler D, Knop M, Kunze U, Reuter D, Wieck AD. Dual-gate GaAs/AlGaAs quantum point contact with tuneable subband energy separation. Semiconductor Science and Technology. 2004:140-143. doi:10.1088/0268-1242/20/2/006
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8695
Kähler D, Kunze U, Reuter D, D. Wieck A. Ultrasmall nanoscale devices fabricated from compensating-layer GaAs/AlGaAs heterostructures. Physica E: Low-dimensional Systems and Nanostructures. 2004:435-439. doi:10.1016/j.physe.2003.11.058
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8696
Petrosyan S, Yesayan A, Reuter D, Wieck AD. The linearly graded two-dimensional p–n junction. Applied Physics Letters. 2004:3313-3315. doi:10.1063/1.1736316
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8697
Riedesel C, Reuter D, Wieck A. Laterally patterned high mobility two-dimensional electron gases obtained by overgrowth of focused ion beam implanted Al1−xGaxAs. Physica E: Low-dimensional Systems and Nanostructures. 2004:592-596. doi:10.1016/j.physe.2003.11.085
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8698
Reuter D, Schafmeister P, Kailuweit P, Wieck AD. Frequency-dependent C(V) spectroscopy of the hole system in InAs quantum dots. Physica E: Low-dimensional Systems and Nanostructures. 2004:445-450. doi:10.1016/j.physe.2003.11.055
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8699
Reuter D, Seekamp A, Wieck A. Fabrication of two-dimensional n- and p-type in-plane gate transistors from the same p-doped GaAs/In0.1Ga0.9As/Al0.33Ga0.67As heterostructure. Physica E: Low-dimensional Systems and Nanostructures. 2004:872-875. doi:10.1016/j.physe.2003.11.141
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8700
Regul J, Hohls F, Reuter D, Wieck AD, Haug RJ. High frequency conductance of a quantum point contact. Physica E: Low-dimensional Systems and Nanostructures. 2004:272-275. doi:10.1016/j.physe.2003.11.266
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8701
Reuter D, Werner C, Riedesel C, Wieck AD, Schuster D, Hansen W. Fabrication of two-dimensional p–n junctions formed by compensation doping of p-modulation doped GaAs/InyGa1−yAs/AlxGa1−x As heterostructures. Physica E: Low-dimensional Systems and Nanostructures. 2004:725-728. doi:10.1016/j.physe.2003.12.109
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8702
Russ M, Lorke A, Reuter D, Schafmeister P. Self-assembled quantum dots as probes for Landau-level spectroscopy. Physica E: Low-dimensional Systems and Nanostructures. 2004:506-509. doi:10.1016/j.physe.2003.12.056
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8703
Würtz A, Deviatov EV, Lorke A, Dolgopolov VT, Reuter D, Wieck AD. Separately contacted edge states in the fractional quantum Hall regime. Physica E: Low-dimensional Systems and Nanostructures. 2004:177-180. doi:10.1016/j.physe.2003.11.244
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8704
Langbein W, Borri P, Woggon U, Stavarache V, Reuter D, Wieck AD. Control of fine-structure splitting and biexciton binding inInxGa1−xAsquantum dots by annealing. Physical Review B. 2004. doi:10.1103/physrevb.69.161301
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8705
Schaapman MR, Zeitler U, Christianen PCM, Maan JC, Reuter D, Wieck AD. Magnetization of multi-component two-dimensional quantum-Hall systems. Physica E: Low-dimensional Systems and Nanostructures. 2004:86-89. doi:10.1016/j.physe.2003.11.222
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8706
Schmidt KH, Bock C, Versen M, Kunze U, Reuter D, Wieck AD. Capacitance and tunneling spectroscopy of InAs quantum dots. Journal of Applied Physics. 2004:5715-5721. doi:10.1063/1.1703827
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8707
Reuter D, Hoch S, Hausmanns B, et al. Hall magnetometry on Co, Fe, and Py nanowires. Journal of Magnetism and Magnetic Materials. 2004:1654-1655. doi:10.1016/j.jmmm.2003.12.241
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8709
Langbein W, Borri P, Woggon U, Stavarache V, Reuter D, Wieck A. Radiatively limited dephasing in InAs quantum dots. Physical Review B. 2004. doi:10.1103/physrevb.70.033301
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8710
Deviatov EV, Würtz A, Lorke A, et al. Two relaxation mechanisms observed in transport between spin-split edge states at high imbalance. Physical Review B. 2004. doi:10.1103/physrevb.69.115330
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8711
Grbić B, Ellenberger C, Ihn T, Ensslin K, Reuter D, Wieck AD. Magnetotransport in C-doped AlGaAs heterostructures. Applied Physics Letters. 2004:2277-2279. doi:10.1063/1.1781750
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8712
Bryja L, Kubisa M, Ryczko K, et al. Magnetic-field-induced excitons in photoluminescence from heavily doped p-type Ga1−xAlxAs/GaAs single heterojunction. Physica B: Condensed Matter. 2004:442-445. doi:10.1016/j.physb.2004.01.123
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8729
Ebbers A, Reuter D, Heuken M, Wieck AD. In-plane gate transistors in AlxGa1−xN/GaN heterostructures written by focused ion beams. Superlattices and Microstructures. 2004:381-388. doi:10.1016/j.spmi.2004.02.012
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 8848
Tönnies M. New Britain as Consumer Country and Commodity. Journal for the Study of British Cultures. 2004;11(2):117-128.
LibreCat
2004 | Book Chapter | LibreCat-ID: 9593
Beutner M, Twardy M. Wirtschaftspädagogische Sichtweise der Spannungsverhältnisse in der Lehrerbildung vor dem Hintergrund des Lernfeldansatzes unter Berücksichtigung des Komplementärprinzips. In: Dubs R, Euler D, Seitz H, eds. Aktuelle Aspekte in Schule und wissenschaftlichem Unterricht. Studien und Berichte des IWP. Vol Band 14. St. Gallen; 2004:181-201.
LibreCat
2004 | Book Chapter | LibreCat-ID: 9594
Beutner M. Ein Determinantenmodell der Ausbildungsbereitschaft von Klein- und Mittelbetrieben – Basis für eine systematische Förderung der Berufsausbildung. In: Krekel EM, Walden G, eds. Zukunft der Berufsausbildung in Deutschland: Empirische Untersuchungen und Schlussfolgerungen. Berichte zur Beruflichen Bildung 273. Bonn; 2004:94-110.
LibreCat
2004 | Book Review | LibreCat-ID: 9657
Tönnies M. Mergenthal, S.: A Fast-Forward Version of England, 2003. Anglia. 2004;122(4):758-761.
LibreCat
2004 | Conference Paper | LibreCat-ID: 988
Niebert N, Flinck H, Hancock R, Karl H, Prehofer C. Ambient Networks--Research for Communication Networks Beyond 3G. In: 13th IST Mobile and Wireless Communications-Summit 2004. ; 2004.
LibreCat
2004 | Conference Paper | LibreCat-ID: 992
Gross J, Paoluzzi I, Karl H, Wolisz A. Throughput study for a dynamic OFDM-FDMA system with inband signaling. In: Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th. ; 2004:1787--1791.
LibreCat
2004 | Journal Article | LibreCat-ID: 993
Klimin N, Enkelmann W, Karl H, Wolisz A. A hybrid approach for location-based service discovery in vehicular ad hoc networks. Proc of WIT. 2004.
LibreCat
2004 | Conference Paper | LibreCat-ID: 997
Carlson E, Karl H, Wolisz A, Prehofer C. Distributed allocation of time slots for real-time traffic in a wireless multi-hop network. In: Proc. European Wireless. ; 2004.
LibreCat
| Files available
2004 | Journal Article | LibreCat-ID: 998
Mengesha S, Karl H, Wolisz A. Capacity increase of multi-hop cellular wlans exploiting data rate adaptation and frequency recycling. Proc of MedHocNet 2004. 2004.
LibreCat
2004 | Journal Article | LibreCat-ID: 4160
Hehenkamp B, Leininger W, Possajennikov A. Evolutionary equilibrium in Tullock contests: spite and overdissipation. European Journal of Political Economy. 2004;20(4):1045-1057. doi:10.1016/j.ejpoleco.2003.09.002
LibreCat
| DOI
2004 | Journal Article | LibreCat-ID: 4270 | 
Schaarschmidt M, Förstner J, Knorr A, et al. Adiabatically driven electron dynamics in a resonant photonic band gap: Optical switching of a Bragg periodic semiconductor. Physical Review B. 2004;70(23). doi:10.1103/physrevb.70.233302
LibreCat
| Files available
| DOI
2004 | Journal Article | LibreCat-ID: 4274
Butscher S, Förstner J, Waldmüller I, Knorr A. Polaron signatures in the line shape of semiconductor ;intersubband transitions: quantum kinetics of the electron–phonon interaction. physica status solidi (b). 2004;241(11):R49-R51. doi:10.1002/pssb.200409053
LibreCat
| Files available
| DOI
2004 | Journal Article | LibreCat-ID: 4277
Nielsen NC, Kuhl J, Schaarschmidt M, et al. Linear and nonlinear pulse propagation in a multiple-quantum-well photonic crystal. Physical Review B. 2004;70(7). doi:10.1103/physrevb.70.075306
LibreCat
| Files available
| DOI
2004 | Conference Paper | LibreCat-ID: 4279
Nielsen NC, Siederdissen TH zu, Kuhl J, et al. Subpicosecond spatiotemporal pulse compression in a nonlinear defocusing material. In: International Conference on Ultrafast Phenomena 2004. Technical Digest (CD) (Optical Society of America, 2004); 2004.
LibreCat
2004 | Conference Paper | LibreCat-ID: 4280
Höner zu Siederdissen T, Nielsen NC, Kuhl J, Förstner J, Knorr A, Giessen H. Temporal phase evolution during excitonic Rabi flopping in semiconductors. In: International Quantum Electronics Conference and Photonic Applications Systems Technologies. OSA; 2004. doi:10.1364/iqec.2004.imb3
LibreCat
| DOI
2004 | Conference Paper | LibreCat-ID: 4281
Nielsen NC, Kuhl J, Schaarschmidt M, et al. Temporal and spatial compression of near-resonant pulses in a nonlinear defocusing semiconductor . In: Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies. Technical Digest (CD) (Optical Society of America, 2004); 2004.
LibreCat