The detection of terahertz radiation via graphene based devices at low magnetic field
M. Salman, M. Golla, Yu. B. Vasilyev, F. Gouider, M. Friedemann,
F.-J. Ahlers, H. Schmidt, R. Haug, and G. Nachtwei
DPG Frühjahrstagung Berlin (2012)
| 2011 |
Detection of THz radiation with devices made from wafers with HgTe and InSb quantum wells
F. Gouider, Yu.B. Vasilyev, J. Könemann, P.D. Buckle, C. Brüne, H. Buhmann, and G. Nachtwei
Proceedings of the 30th Intern. Conference on the Physics of Semiconductors (ICPS-30), Seoul, Süd Korea, AIP Conference Proceedings Series Vol. 1399, p. 1019 (2011).
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Edge Channel Photo Effect In Asymmetric Two Dimensional Systems
Yu.B. Vasilyev, B. Ya. Meltser, S. V. Ivanov, P. S. Kop'ev, C. Stellmach, F. Gouider, and G. Nachtwei
Proceedings of the 30th Intern. Conference on the Physics of Semiconductors (ICPS-30), Seoul, Süd Korea, AIP Conference Proceedings Series Vol. 1399, p. 641 (2011).
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Terahertz-Photoleitungsmessungen an Graphen-basierten Strukturen
M. Golla, M. Salman, F. Gouider, Yu.B. Vasilyev, H. Schmidt, R.J. Haug und G. Nachtwei
DPG Frühjahrstagung Dresden (2011).
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Magneto-optical response of InSb/AlInSb quantum well structures
F. Gouider, M. Salman, Yu.B. Vasilyev, D. Smirnov, P.D. Buckle, and G. Nachtwei
Proceedings of the 17th International Conference of Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON 17), 8-12 August 2011, Santa Barbara, California, USA (2011).
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Magneto-infrared modes in the topological insulator HgTe/HgCdTe
Yu. B. Vasilyev, A.A. Greshov, S.D. Suchalkin, L.-C. Tung, D. Smirnov, F. Gouider, G. Nachtwei, C. Brüne, and H. Buhmann
Proceedings of the 19th International Conference of Electronic Properties of 2-Dimensional Systems (EP2DS-19), 25-29 July 2011, Tallahassee, Florida, USA (2011).
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Terahertz photoresponse dependence on magnetic and electric fields in graphene-based devices
M. Salman, F. Gouider, H. Schmidt, Yu.B. Vasilyev, R.J. Haug, and G. Nachtwei
Phys. Status Solidi C, 1-3 (2011)/ DOI 10.1002/pssc.201000827. Februar (2011).
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The detection of terahertz waves by semimetallic and by semiconducting materials
F. Gouider, G. Nachtwei, C. Brüne, H. Buhmann, Yu. B. Vasilyev, M. Salman, J. Könemann, and P. D. Buckle
Journ. Appl. Phys. 109, 013106 (2011).
| 2010 |
THz detectors with HgTe and InSb quantum wells
F. Gouider, Y.B.Vasilyev, J. Könemann, C.Brüne, H.Buhmann, P.D. Buckle, and G. Nachtwei
IEEE Proceedings of the 35th International Conference on Infrared, Millimeter and THz Waves (IRMMW-THz 2010) doi: 10.1109/ICIMW.2010.5612596 , Oktober (2010).
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Edge photocurrents in asymmetric two-dimensional systems
Yu. B. Vasilyev, B. Ya. Meltser, S.V. Ivanov, P.S. Kop'ev, C. Stellmach, F. Gouider, and G. Nachtwei
Physical Phenomena at High Magnetic Fields conference (PPHMF-VII) December 4-8, Tallahassee, Florida, USA (2010).
|
THz detectors with HgTe and InSb quantum wells
F. Gouider, Yu. B. Vasilyev, J. Könemann, C. Brüne, H. Buhmann, P. D. Buckle, G. Nachtwei
35th International Conference on Infrared, Millimeter and THz Waves (IRMMW-THz 2010),
September 5-10, Rome, Italy (2010).
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Photoresponse dependence on magnetic and electric fields in graphene-based devices
M. Salman, F. Gouider, M. Friedemann, H. W. Schumacher, Yu. B. Vasilyev, R. J. Haug, G. Nachtwei
10th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors, NOEKS10, August 16-19, Paderborn, Germany (2010).
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Edge-Channel Photo-Effect in Asymmetric Two-Dimensional Systems
Yu.B. Vasilyev, B. Ya. Meltser, S. V. Ivanov, P.S. Kop'ev, C. Stellmann, F. Gouider, and G. Nachtwei
30th International Conference on the Physics of Semiconductors, July 25-30 COEX, Seoul, Süd Korea (2010).
|
Detection of THz radiation with devices made from wafers with HgTe and InSb quantum wells
F. Gouider, Yu.B. Vasilyev, J. Könemann, P.D. Buckle, C. Brüne, H. Buhmann, and G. Nachtwei
30th International Conference on the Physics of Semiconductors, July 25-30 COEX, Seoul, Süd Korea (2010).
|
Cyclotron resonance in heterostructures with InSb/AlInSb quantum wells
Yu.B. Vasilyev, F. Gouider, P.D. Buckle, G. Nachtwei
Journal of semiconductors physics and technique, volume 44, No. 11, 1511-1514 (2010).
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Terahertz photoconductivity of a two-dimensional electron gas in HgCdTe/HgTe quantum wells
Yu.B. Vasilyev, F. Gouider, M. Bugár, G. Nachtwei, J. Könemann, C. Brüne, and H. Buhmann
Phys. Status. Solidi B 247, No. 6, 1495-1497 (2010).
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Terahertz photoresponse of AlInSb/InSb/AlInSb quantum well structures
F. Gouider, Yu.B. Vasilyev, M. Bugár, J. Könemann, P.D. Buckle, and G. Nachtwei
Phys. Rev. B 81, 155304 (2010).
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THz photoresponse of devices with quantum wells of narrow-gap semiconductors
F. Gouider, Yu.B. Vasilyev, J. Könemann, P.D. Buckle, C. Brüne, H. Buhmann, and G. Nachtwei
DPG Frühjahrstagung Regensburg (2010).
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Magnetotransport and THz-optical investigations at devices with HgTe quantum wells
F. Gouider, Yu.B. Vasilyev, M. Bugár, J. Könemann, C. Brüne, H. Buhmann, and G. Nachtwei
Proceedings of the 9th International Conference on Research at High Magnetic Fields,
Journal of Low Temperature Physics Vol. 159, Nos. 1/2, p. 184-188 (2010).
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THz photoresponse of quantum Hall devices based on HgTe-Quantum wells
F. Gouider, G. Hein, C. Brüne, H. Buhmann, Yu.B. Vasilyev, and G. Nachtwei
Proceedings of the 29th Intern. Conference on the Physics of Semiconductors (ICPS-29), Rio de Janeiro, Brazil,
AIP Conference Proceedings Series Vol. 1199, p. 237 (2010).
|
| 2009 |
THz photoresponse and magnetotransport of detectors made of HgCdTe/HgTe quantum well structures
F. Gouider, Yu.B. Vasilyev, M Bugár, J. Könemann, C. Brüne, H. Buhmann, and G. Nachtwei
EDISON16 proceedings, Journal of Physics: Conference Series 193, 012066 (2009).
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Terahertz photoconductivity of a two-dimensional electron gas in HgTe quantum well structures
Yu.B. Vasilyev, F. Gouider, M Bugár, J. Könemann, C. Brüne, H. Buhmann, and G. Nachtwei
14 th International Conference on II-VI Compounds, August 23-28, 2009, St. Petersburg, Russia (2009).
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THz photoresponse and magnetotransport of detectors made of HgCdTe/HgTe quantum well structures
F. Gouider, Yu.B. Vasilyev, M Bugár, J. Könemann, C. Brüne, H. Buhmann, and G. Nachtwei
16 th International Conference on Electron Dynamics in Semiconductors, Optoelectronics, and Nanostructures - EDISON 16, August 24-28, 2009, Montpellier, France (2009).
|
Magnetotransport and THz-optical investigations at devices with HgTe quantum wells
F. Gouider, Yu.B. Vasilyev, M Bugár, J. Könemann, C. Brüne, H. Buhmann, and G. Nachtwei
9 th International Conference on Research in High Magnetic Fields-RHMF09, July 22-25, 2009, Dresden, Germany (2009).
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Photo-induced quantum Hall currents in 2D electron systems
Yu.B. Vasilyev, F. Gouider, and G. Nachtwei
Proceedings of HMF18, International Journal of Modern Physics B(IJMPB), vol. 23, 2915-2921 (2009).
|
Magnetotransport and THz photoresponse of combined Hall-Corbino-devices patterned on HgCdTe based wafers
F. Gouider, C. Brüne, J. Könemann, M. Bugar, Yu.B. Vasilyev, and G. Nachtwei
DPG Frühjahrstagung Dresden (2009).
| 2008 |
Double-peak structure of the nonresonant photoresponse of Terahertz quantum Hall detectors
G. Nachtwei, F. Gouider, C. Stellmach, G. Vasile, Yu. B. Vasilyev, G. Hein, and R.R. Gerhardts
Phys. Rev. B 78, 174305 (2008).
|
Photo-induced quantum Hall currents in 2D electron systems
Yu.B. Vasilyev, F. Gouider, and G. Nachtwei
18 th Intern. Conference on High Magnetic Fields in Semiconductor Physics and Nanotechnology - HMF 18, Aug 3-8,
Sao Paulo Pedro/SP-Brazil (2008).
|
THz photoresponse of quantum Hall devices based on HgTe-Quantum wells
F. Gouider, G. Hein, C. Brüne, H. Buhmann, Yu.B. Vasilyev, and G. Nachtwei
29th Intern. Conference on the Physics of Semiconductors (ICPS-29), July 27th - August 1st, Rio de Janeiro, Brazil (2008).
|
Real-time measurements of the optically and electrically induced dissipation in QH-devices
G. Vasile, F. Gouider, C. Stellmach, G. Hein, and G. Nachtwei
National Science Symposium Reykjavik, Iceland (2008).
|
THz detectors on the basis of HgTe-Quantum wells
F. Gouider, G. Hein, C. Brüne, H. Buhmann, and G. Nachtwei
DPG Frühjahrstagung Poster HL 17.10 (2008).
|
Optically and electrically induced dissipation in quantum Hall systems
G. Nachtwei, C. Stellmach, G. Vasile, and G. Hein
phys. stat. sol (b) 245, No.2, 331.335 035341 (2008).
| 2007 |
Time- and spectrally resolved terahertz photoconductivity of quantum Hall systems
C. Stellmach, G. Vasile, A. Hirsch, R. Bonk, Yu.B. Vasilyev, G. Hein, C.R. Becker, and G. Nachtwei
Phys. Rev. B 76, 035341 (2007).
|
Nonequilibrium Laser Excitation of Terahertz-Quantum-Hall-Detektors
G. Vasile, C. Stellmach, M. Koch, G. Hein, and G. Nachtwei
15 th Intern. Conference on Nonequilibrium Carrier Dynamics in Semiconductors (HCIS-15),
July 23-27, 2007, Tokyo, Japan.
|
Fast and Tunable Photodetectors for Terahertz Radiation based on the Landau Quantization
at HgTe/HgCdTe Heterojunctions
R. Bonk, C. Stellmach, Yu.B. Vasilyev, C.R. Becker, G. Hein, G. Vasile, and G. Nachtwei
Proceedings of the 28th Intern. Conference on the Physics of Semiconductors (ICPS-28), Vienna, Austria, Vol. 893, p. 491 (2007).
|
Terahertz Photovoltaic Effect in Bilayer Two-Dimensional Systems
Yu.B. Vasilyev, R. Suris, C. Stellmach, and G. Nachtwei
Proceedings of the 28th Intern. Conference on the Physics of Semiconductors (ICPS-28),
Vienna, Austria, Vol.893, p. 493 (2007).
|
Calculations of THz conductivity of Quantum Hall Systems
G. Vasile, R.R. Gerhardts, C. Stellmach, and G. Nachtwei
Proceedings of the 28th Intern. Conference on the Physics of Semiconductors (ICPS-28),
Vienna, Austria, Vol.893, p. 649 (2007).
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| 2006 |
Measurements of the electrical excitation of quantum Hall devices in the real-time domain
G. Vasile, C. Stellmach, G. Hein, G. Nachtwei
Semicond. Sci. Technol. 21, 1714 (2006).
Abstract
|
Calculations of the THz conductivity of Quantum Hall Systems
G. Vasile, R. R. Gerhardts, C. Stellmach, G. Nachtwei
28th International Conference on the Physics of Semiconductors (ICPS-28),
Vienna, Austria, 2006, Poster TuA3n.14
|
Fast and Tunable Photodetectors for Terahertz Radiation based on the Landau Quantization at
HgTe/HgCdTe Heterojunctions
R. Bonk, C. Stellmach, Yu. B. Vasilyev, C. R. Becker, G. Hein, G. Vasile, G. Nachtwei
28th International Conference on the Physics of Semiconductors (ICPS-28),
Vienna, Austria, 2006, Poster WeA2g.3
|
Terahertz Photovoltaic Effect in Bilayer Two-Dimensional Systems
Yu. B. Vasilyev, R. Suris, C. Stellmach, G. Nachtwei
28th International Conference on the Physics of Semiconductors (ICPS-28),
Vienna, Austria, 2006, Poster WeA2g.4
|
Terahertz photoconductivity in GaAs/AlGaAs and HgTe/HgCdTe quantum Hall devices
C. Stellmach, R. Bonk, Y. B. Vasilyev, A. Hirsch, G. Hein, C. R. Becker, G. Nachtwei
Phys. Stat. Sol. C 3, 2510 (2006), Proceedings of 8th International Workshop on Nonlinear
Optics and Excitation Kinetics in Semiconductors (NOEKS-8), 2006.
Abstract
|
Experimental and Numerical Investigations of the THz Photoconductivity of QH Systems with Corbino geometry
G.Vasile, C. Stellmach, Y. B. Vasilyev, A. Hirsch, G. Hein, R. R. Gerhardts, G. Nachtwei
Conference on Precision Electromagnetic Measurements (CPEM-2006), Poster WeP-26.
|
Spectral and Temporal Resolution of THz Detectors based on Quantum Hall Devices with various Geometries
N.G. Kalugin, C. Stellmach, Yu. Vasilyev, A. Hirsch, G. Hein, B.E. Sagol, G. Nachtwei
Proceedings of the Materials Research Society Spring Meeting 2006, 0891-EE04-06.1
|
Low-Frequency Enhancement of the Breakdown Hysteresis and of the Electron Localization in Quantum Hall Systems
N. G. Kalugin, A. Buss, C. Stellmach, G. Hein, G. Nachtwei
J. Nanoelectron. Optoelectron. 1, 85 (2006).
|
Experimental and Numerical Investigations of the Terahertz Photoconductivity of QH-Systems
G. Vasile, C. Stellmach, Y. B. Vasilyev, A. Hirsch, G. Hein, R. Gerhardts, G. Nachtwei
DPG Frühjahrstagung Poster HL 9.100, 2006.
|
Photoconductivity measurements on Terahertz-HgTe/HgCdTe-Quantum-Hall-detectors
R. Bonk, C. Stellmach, C. Becker, V. Hock, G. Hein, G. Nachtwei
DPG Frühjahrstagung Poster HL 9.101, 2006.
|
Characterization of AlGaN/GaN - heterostructures by means of magnetotransport measurements in high magnetic fields
K. Knese, F. Vogt, N. Riedel, U. Rossow, E. Sagol, C. Stellmach, G. Nachtwei
DPG Frühjahrstagung Poster HL 9.102, 2006.
|
Photomagnetic effect in bilayer two-dimensional electron-hole systems
Yu. B. Vasilyev, C. Stellmach, G. Nachtwei, R. A. Suris, S. D. Suchalkin,
B. Ya. Meltser, S. V. Ivanov, and P. S. Kopev
Physica E 34, 308 (2006),
Proceedings of the 16th International Conference on Electronic Properties of Two-Dimensional
Systems and Modulated Semiconductor Structures (EP2DS-16), 2005,
Full Text: PDF
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| 2005 |
Fast terahertz detectors with spectral tunability based on quantum Hall Corbino devices
C. Stellmach, A. Hirsch, G. Nachtwei, Yu. B. Vasilyev, N. G. Kalugin, and G. Hein
Appl. Phys. Lett. 87, 133504 (2005).
Abstract,
Full Text: PDF
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Photocurrents in InAs/AlGaSb quantum wells
Yu. B. Vasilyev, C. Stellmach, G. Nachtwei, R. A. Suris, S. D. Suchalkin,
B. Ya. Meltser, S. V. Ivanov, and P. S. Kopev
Proceedings of the 12 International Conference on Narrow Gap Semiconductors (NGS-12), 2005.
Text: PDF
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Photomagnetic effect on intraband transitions in bilayer electron-hole systems
Yu. B. Vasilyev, C. Stellmach, G. Nachtwei, R. A. Suris, S. D. Suchalkin,
B. Ya. Meltser, S. V. Ivanov, and P. S. Kop’ev
Abstracts of the 8th International Conference on Intersubband Transitions in Quantum Wells (ITQW-2005), Poster 85P (2005).
|
Measurements of the electrical excitation of QH-devices in the real time domain
G. Vasile, C. Stellmach, G. Hein, and G. Nachtwei
Proceedings of the 14th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors (HCIS-14),
July 25-29, 2005, Chicago, USA, Springer Proceedings in Physics (SPP) 110, 273, Editors:
M. Saraniti and U. Ravaioli, Springer-Verlag Berlin Heidelberg 2006.
Abstract
|
Time- and Spectrally Resolved THz Photoconductivity in Quantum Hall Devices
C. Stellmach, Y.B. Vasilyev, R. Bonk, A. Hirsch, N.G. Kalugin, G. Hein, C.R. Becker, and G. Nachtwei
Proceedings of the 14th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors (HCIS-14)
July 25-29, 2005, Chicago, USA, Springer Proceedings in Physics (SPP) 110, 95, Editors:
M. Saraniti and U. Ravaioli, Springer-Verlag Berlin Heidelberg 2006.
Abstract
|
Nonequilibrium localization in quantum Hall systems at very low frequencies
A. Buss, F. Hohls, F. Schulze-Wischeler, C. Stellmach, G. Hein, R. J. Haug, and G. Nachtwei
Phys. Rev. B 71, 195319 (2005).
Abstract,
Full Text: PDF
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Tunable and Fast THz Detectors based on Quantum Hall Devices with various geometries
N.G. Kalugin, C. Stellmach, A. Hirsch, G. Nachtwei, G. Hein, B.E. Sagol, Yu. Vasilyev
Optical Terahertz Science and Technology conference, Orlando /FL, USA (2005).
|
THz-Photoleitung an HgTe/HgCdTe-Quanten-Hall-Detektoren
R. Bonk, C. Stellmach, C. Becker, V. Hock, G. Hein and G. Nachtwei
DPG Frühjahrstagung Poster HL 58.9 (2005).
|
Magnetotransport zur Charakterisierung von AlGaN/GaN-Heterostrukturen
K. Knese, F. Vogt, N. Riedel, U. Rossow, C. Stellmach and G. Nachtwei
DPG Frühjahrstagung Poster HL 58.10 (2005).
|
Echtzeitmessung der Relaxation des Photosignals von Quanten-Hall-Terahertz-Detektoren in Corbino-Geometrie
C. Stellmach, Yu. Vasilyev, A. Hirsch, G. Hein and G. Nachtwei
DPG Frühjahrstagung Poster HL 58.11 (2005).
|
Measurements of the electrical excitation of QH-devices in the real time domain
G. Vasile, C. Stellmach, and G. Nachtwei
DPG Frühjahrstagung Poster HL 58.13 (2005).
|
Enhanced localization in Landau-quantized systems induced by very low frequencies
A. Buß, F. Hohls, R.J. Haug, C. Stellmach, G. Hein, and G. Nachtwei
API Conference Proceedings 772, 599 (2005),
27th International Conference on the Physics of Semiconductors (ICPS-27),Flagstaff /AZ, USA (2004).
Text: PDF
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Short decay times of the Terahertz photoresponse in quantum Hall Corbino detectors with spectral tunability
A. Hirsch, C. Stellmach, N.G. Kalugin, G. Hein und G. Nachtwei
API Conference Proceedings 772, 1222 (2005),
27th International Conference on the Physics of Semiconductors (ICPS-27),Flagstaff /AZ, USA (2004).
Text: PDF
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Ferromagnetism in partially spin-polarized GaInAs quantum wells
F. Vogt, H. Künzel, G. Hein, and G. Nachtwei
API Conference Proceedings 772, 1419 (2005),
27th International Conference on the Physics of Semiconductors (ICPS-27),Flagstaff /AZ, USA (2004).
Text: PDF
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| 2004 |
Fast relaxation of the THz photoconductivity in quantum Hall Corbino devices with spectral tunability
C. Stellmach, Y.B. Vasilyev, A. Hirsch, G. Hein und G. Nachtwei
Proceedings of the QHSQM Conference (2004), Hamburg.
|
Ferromagnetism behavior in GaInAs quantum wells with partial spin polarization
F. Vogt, H. Künzel, G. Hein, and G. Nachtwei
Proceedings of the QHSQM Conference (2004), Hamburg.
|
Two-level model for electrical and optical exitation and relaxation in QH systems
G. Vasile, C. Stellmach, and G. Nachtwei
Proceedings of the QHSQM Conference (2004), Hamburg.
Text: PDF
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Gate-Tunable THz Detector based on a Quantum Hall Device
C. Stellmach, A. Hirsch, N. G. Kalugin, G. Hein, B.E. Sagol and G.Nachtwei
Semicond. Sci. Techno 19, 454 (2004). Abstract,
Full Text: PDF
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Relaxation oscillations in a bistable quantum Hall system
A. Buß, G. Nachtwei, N.G. Kalugin, B.E. Sagol, C. Stellmach,
A. Hirsch and G. Hein
Semicond. Sci. Techno 19, 40 (2004). Abstract,
Full Text: PDF
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Leitfähigkeit von QH-Systemen im subkritischen Bereich und ihr
Einfluß auf den Zusammenbruch des QHE
Andre Buß, Frank Hohls, Fritz Schulze Wischeler, Günter
Hein, B. Erol Sagol, Rolf J. Haug und Georg Nachtwei
DPG Frühjahrstagung Poster HL 12.41 (2004). Abstract |
Untersuchungen an QH-FIR-Detektoren in Mäander- und Corbino-Geometrie
A. Hirsch, C. Stellmach, J. M. Guldbakke, G. Hein und G. Nachtwei
DPG Frühjahrstagung Poster HL 12.42 (2004). Abstract |
Einfluß der Austausch-Wechselwirkung auf den Quantentransport
in spin-polarisierten Elektronensystemen in GaInAs-Quantengräben
Vogt, G. Nachtwei, G. Hein und H. Künzel
DPG Frühjahrstagung Poster HL 12.43 (2004). Abstract |
| 2003 |
Relaxation oscillations and dynamical properties of a bistable quantum Hall system
N. G. Kalugin, B. E. Sagol, C. Stellmach, A. Buß, A. Hirsch,
G. Nachtwei and G. Hein
Int. J. Nanosci. 2, 559 (2003).
Abstract
|
Relaxation oscillations and dynamical enhancement of the breakdown
hysteresis in quantum Hall systems with Corbino geometry
N. G. Kalugin, B. E. Sagol, A. Buß, A. Hirsch, C. Stellmach,
G. Hein, and G. Nachtwei
Phys. Rev. B 68, 125313 (2003). Abstract,
Full
Text: PDF |
N. G. Kalugin, B. E. Sagol, Ch. Stellmach, A. Buß , A. Hirsch,
G. Hein, and G. Nachtwei
"Relaxation oscillations and dynamical enhancement of the breakdown
hysteresis in quantum Hall systems with Corbino geometry"
Proceedings of the 11th International Symposium "Nanostructures: Physics
and Technology" St. Petersburg, Russia (2003) |
Function principle of a relaxation oscillator based on a bistable quantum
Hall device
G. Nachtwei, N. G. Kalugin, B. E. Sagol, Ch. Stellmach, and G. Hein
Appl. Phys. Letters 82, 2068 (2003). Abstract,
Full
Text: PDF |
Time-resolved far-infrared laser spectroscopy of quantum Hall systems
C. Stellmach, A. Hirsch, N. G. Kalugin, H.-W. Hübers, S. G. Pavlov,
B. E. Sagol, G. Hein, and G. Nachtwei
DPG Frühjahrstagung Poster HL 14.63 (2003). Abstract |
Relaxation oscillations in a quantum Hall device influenced by the
dynamic breakdown hysteresis of the QHE
A. Buß, N.G. Kalugin, B.E. Sagol, C. Stellmach, A. Hirsch, G.
Nachtwei, and G. Hein
DPG Frühjahrstagung Poster HL 49.4 (2003). Abstract |
| 2002 |
Two-level model for the generation and relaxation
of hot electrons near the breakdown of the quantum Hall effect.
K. Güven, R.R. Gerhardts, I.I. Kaya, B.E. Sagol, and G. Nachtwei
Phys. Rev. B 65, 155316 (2002). Abstract,
Full
Text: PDF |
Different components of far-infrared photoresponse
of quantum Hall detectors.
N.G. Kalugin, G. Nachtwei, Yu.B. Vasilyev, S.D. Suchalkin, and K. Eberl
Appl. Phys. Letters 81, 382 (2002). Abstract,
Full
Text: PDF |
Time Scale of the Excitation of Electrons at
the Breakdown of the quantum Hall Effect.
B.E. Sagol, and G. Nachtwei, K. von Klitzing, G. Hein, and K. Eberl
Phys. Rev. B 66, 075305(2002). Abstract,
Full
Text: PDF |
Dynamics of the far-Infrared photoresponse in
quantum Hall systems
N.G. Kalugin, Yu.B. Vasilyev, S.D. Suchalkin, G. Nachtwei, B.E. Sagol,
and K. Eberl
Phys. Rev. B 66, 085308 (2002). Abstract,
Full
Text: PDF |
Supercritical nondissipative currents in quantum Hall systems
B.E. Sagol, G. Nachtwei, N.G. Kalugin, G. Hein, and K. Eberl
Proceedings (CD-ROM) of the 26th International Conference on the Physics
of Semiconductors, ICPS-26, Edinburgh (UK) (2002). |
Detection of THz laser pulses in quantum Hall systems
N.G. Kalugin, Nachtwei, B.E. Sagol, Yu.B. Vasilyev, S.D. Suchalkin,
and K. Eberl
Proceedings (CD-ROM) of the 26th International Conference on the Physics
of Semiconductors, ICPS-26, Edinburgh (UK) (2002). |
Suppressed breakdown and enforced reappearance of the quantum Hall
effect in Corbino devices
B.E. Sagol, G. Nachtwei, N.G. Kalugin, G. Hein, and K. Eberl
Proceedings (CD-ROM) of the 15th International Conference on High Magnetic
Fields in Semiconductor Physics - SemiMag-15, Oxford (UK) (2002). |
Effects of the Hall-field-induced anisotropy on the Far-Infrared photoresponse
of quantum Hall systems
N.G. Kalugin, G. Nachtwei, B.E. Sagol, Yu.B. Vasilyev, S.D. Suchalkin,
and K. Eberl
Proceedings (CD-ROM) of the 15th International Conference on High Magnetic
Fields in Semiconductor Physics, SemiMag-15, Oxford (UK) (2002). |
Anisotropy of the multicomponent Terahertz photoconductivity in quantum
Hall systems
N.G. Kalugin, Yu.B. Vasilyev, S.D. Suchalkin, G. Nachtwei, B.E. Sagol,
and K. Eberl
JETP Letters 76, 625 (2002). Abstract,
Full
Text: PDF |
| 2001 |
Bistable resistance switching in a ferromagnetic quantum Hall system
induced by exchange enhancement of the Zeeman energy.
G. Nachtwei, A. Manolescu, N. Nestle, and H. Künzel
Phys. Rev. B 63, 045306 (2001). Abstract,
Full
Text: PDF |
Time-resolved far-infrared spectroscopy of quantum Hall systems.
N.G. Kalugin, Yu.B. Vasilyev, S.D. Suchalkin, G. Nachtwei, B.E. Sagol,
and K. Eberl
Physica E 12, 144 (2002). Proceedings of the 14th International
Conference on the Electronic Properties of Two-Dimensional Systems - EP2DS-14,
Prague (CZ) (2001). |
Ferromagnetism in a quantum Hall system due to exchange enhancement
in a GaInAs quantum well.
G. Nachtwei, A. Manolescu, N. Nestle, and H. Künzel
Physica E 12, 20 (2002). Proceedings of the 14th International
Conference on the Electronic Properties of Two-Dimensional Systems - EP2DS-14,
Prague (CZ) (2001). |
Nonbolometric mechanism of far-infrared photoresponse in quantum Hall
systems.
N.G. Kalugin, Yu.B. Vasilyev, S.D. Suchalkin, G. Nachtwei, B.E. Sagol,
and K. Eberl
Physica B 314, 166 (2002). Proceedings of the 12th International
Conference on Nonequilibrium Carrier Dynamics in Semiconductors - HCIS-12,
Santa Fe (NM, USA) (2001). |
Cyclotron Resonance in a Two-Dimensional Electron System with Self-Organized
Antidots.
S.D. Suchalkin, Yu.B. Vasilyev, M. Zundel, G. Nachtwei, K. von Klitzing,
and K. Eberl
JETP Letters 74, 564 (2001). |
Short-pulse excitation of quantum Hall systems: Delocalization times
and inelastic scattering lengths of hot electrons.
B.E. Sagol, G. Nachtwei, K. von Klitzing, and K. Eberl
Physica B 314, 268 (2002). Proceedings of the 12th International
Conference on Nonequilibrium Carrier Dynamics in Semiconductors - HCIS-12,
Santa Fe (NM, USA) (2001). |
| 2000 |
Spatial evolution of the generation and relaxation of excited carriers
near the breakdown of the quantum Hall effect.
G. Nachtwei, I.I. Kaya, B.E. Sagol, K. v. Klitzing, and K. Eberl
Physica E 6 128 (2000). Conf. Proc. EP2DS-13, Ottawa (1999). |
CR absorption of 2D electron gas with embedded self-organized antidots.
Yu.B. Vasilyev, S.D. Suchalkin, M. Zundel, D. Heisenberg, G. Nachtwei,
K. Eberl, and K. von Klitzing
Springer Proceedings in Physics 87, 1133 (2001) - 25th International
Conference on the Physics of Semiconductors - ICPS25, Osaka (2000). |
Space- and time-resolved measurements of electronic excitation in quantum
Hall conductors
B.E. Sagol, G. Nachtwei, I.I. Kaya, K. von Klitzing, and K. Eberl
Springer Proceedings in Physics 87, 959 (2001) - 25th International
Conference on the Physics of Semiconductors - ICPS25, Osaka (2000). |
Bistable resistance transition of a quantum Hall ferromagnet induced
by exchange enhancement of the Zeeman energy.
G. Nachtwei, A. Manolescu, N. Nestle, and H. Künzel
Springer Proceedings in Physics 87, 997 (2001) - 25th International
Conference on the Physics of Semiconductors - ICPS25, Osaka (2000). |
| 1999 |
Spatially resolved monitoring of the evolutionof the breakdown of the
quantum Hall effect: Direct observation of inter-Landau-level tunneling.
I.I. Kaya, G. Nachtwei, K. v. Klitzing, and K. Eberl
Europhys. Lett. 46, 62 (1999). |
Tunneling via an artificial impurity in a narrow quantum Hall conductor
controlled by mesoscopic gates.
Z.H. Liu, G. Nachtwei, K. v. Klitzing, and K. Eberl
Semicond. Sci. Technol. 14, 357 (1999). |
Breakdown of the quantum Hall effect. (Review Article)
G. Nachtwei
Physica E 4, 79 (1999).
Full Text: PDF
|
| 1998 |
Change of dimensionality of semiconductor superlattices induced by
an in-plane magnetic field.
O. Jaschinski, G. Nachtwei, J. Schoenes, P. Bönsch, and A. Schlachetzki
Physica B 249-251, 873 (1998). Conf. Proc. EP2DS-12, Tokyo (1997). |
QHE breakdown induced by a single antidot: Coulomb staircase in the
breakdown current.
Z.H. Liu, G. Nachtwei, J. Weis, K. v. Klitzing, and K. Eberl
Physica B 249-251, 89 (1998). Conf. Proc. EP2DS-12, Tokyo (1997). |
Dynamics of nonequilibrium electrons at the breakdown of the quantum
Hall effect.
I.I. Kaya, G. Nachtwei, G. Groß, R.R. Gerhardts, J. Weis, K.
v. Klitzing, and K. Eberl
Physica B 256-258, 8 (1998). Conf. Proc. SemiMag 13, Nijmegen
(1998). |
Limitation of tunneling between edge states by a mesoscopic island
in narrow quantum Hall conductors.
Z.H. Liu, G. Nachtwei, J. Groß, R.R. Gerhardts, J. Weis, K. v.
Klitzing, and K. Eberl
Physica B 256-258, 514 (1998). Conf. Proc. SemiMag 13, Nijmegen
(1998). |
Critical currents in quantum Hall conductors with antidot arrays.
G. Nachtwei, Z.H. Liu, G. Lütjering, R.R. Gerhardts, D. Weiss,
K. v. Klitzing, and C.T. Foxon
Phys. Rev. B 57, 9937 (1998).
Text: PDF
|
Fermi surfaces of InGaAs/InAlAs superlattices with thin delta-doped
barriers.
G. Nachtwei, A. Weber, H. Künzel, J. Böttcher, and O. Jaschinski
J. Appl. Phys. 84, 323 (1998). |
Tunneling between edge states in the quantum Hall regime limited by
a mesoscopic Island: A current plateau phenomenon.
Z.H. Liu, G. Nachtwei, J. Groß, R.R. Gerhardts, J. Weis, K. v.
Klitzing, and K. Eberl
Phys. Rev. B 58, 4028 (1998).
Abstract,
Full Text: PDF
|
Spatial evolution of hot-electron relaxation in quantum Hall conductors.
I.I. Kaya, G. Nachtwei, K. v. Klitzing, and K. Eberl
Phys. Rev. B 58, R7536 (1998). |
| 1997 |
Electron conduction within Landau level tails of medium mobility GaAs/AlGaAs heterostructures
P. Svoboda, G. Nachtwei, C. Breitlow, S. Heide, and M. Cukr
Semicond. Sci. Technol. 12, 264 (1997). |
Nonequilibrium qunatum transport in antidot arrays.
G. Nachtwei, Z.H. Liu, I.I. Kaya, G. Lütjering, D. Weiss, K. v.
Klitzing, and K. Eberl
Phys. Stat. Sol. (b) 204, 329 (1997). Conf. Proc. HCIS-10, Berlin
(1997). |
Breakdown of the quantum Hall effect in periodic and aperiodic antidot
arrays.
G. Nachtwei, G. Lütjering, D. Weiss, Z.H. Liu, K. v. Klitzing,
and C.T. Foxon
Phys. Rev. B 55, 6731 (1997). |
Evidence for Coulomb staircase in tunneling through an antidot island in the quantum Hall regime
Z.H. Liu, G. Nachtwei, D. Weiss, K. v. Klitzing, K. Eberl
Physica E 1, 238 (1997). |
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