Summary of our activities in 2002

• Diploma Theses completed in 2002
   
• PhD Theses completed in 2002
   
• Guest Scientists, Visitors, and their Sponsors
   
• Group Members
   
• Publications
   
• Patents
   
• Invited Talks
   
• Cooperations
   
• Financial Support
   

 
 

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Diploma Theses completed in 2002

Christian Dupraz
"Elektrischer Transport durch molekulare Systeme"

Alexander Högele
"Magneto-optische Eigenschaften von Quanteninseln"

Jochen Kirschbaum
"Transporteigenschaften von freitragenden niederdimensionalen Elektronengasen"

Tobias Lindenberg
"Akustoelektrische Sensoren für fluidische Anwendungen"

Thomas Krämer
"Magnetotransport an verstimmbaren niederdimensionalen Elektronensystemen in freitragenden Nanostrukturen"

Martin Rotter
"Charakterisierung von SiO₂-Schichten auf LiNbO₃"

Florian Schrank
"Hochfrequenzspektroskopie an Ionenkanälen in Zellmembranen"

Constanze Sobotta
"Stochastische Resonanz von Alamethicin-Kanälen in Bilipidmembranen"

Jan Weber
"Tunneldynamik von Quantenpunkten in externen Feldern"  
 

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PhD Theses completed in 2002

Stefan Böhm
"Der epitaktische Lift-off als Methode elektrische- und optische Eigenschaften in III-V-Halbleiter-Strukturen zu beeinflussen"

Niels Fertig
"Entwicklung eines Biochips für elektrophysiologische Untersuchungen von Ionenkanälen"

Dirk Haft
"Optische Spektroskopie an einzelnen InGaAs-Quanteninseln"

Alexander Holleitner
"Kohärente Zustände in lateral definierten Quantenpunkten"

Jan Krauß
"Photonische Speicherzellen in lateralen Potentialübergittern"

 
 

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Guest Scientists, Visitors, and their Sponsors in 2002

Alexander Chaplik
Russian Academy of Sciences, Insitute of Semiconductor Physics, Novosibirsk, Russia
SFB 348

Valeri Dolgopolov
Russian Academy of Sciences, Insitute of Solid State Physics, Chernogolovka, Russia
Humbold Research Award

Rui-Rui Du
University of Utah, Department of Physics, Salt Lake City, USA
SFB 348

Alexander O. Govorov
Russian Academy of Sciences, Insitute of Semiconductor Physics, Novosibirsk, Russia
Volkswagen Stiftung

Alexander Kalameitsev
Institut of Semiconductor Physics, Novosibirsk, Russia
Volkswagen Stiftung

Richard J. Warburton
Departement of Physics, Heriot-Watt-University, Edinburg, United Kingdom
SFB 348  
 

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Group Members in 2002

Senior Scientists Prof. Jörg P. Kotthaus Prof. Khaled Karraï Dr. Udo Beierlein Dr. Robert H. Blick Dr. Heribert Lorenz Dr. Wendy Huynh Prof. Achim Wixforth   Secretary Martina Jüttner   Technical Staff Hans-Peter Kiermaier Armin Kriele Wolfgang Kurpas Stephan Manus Klaus Werhahn

Ph.D. Students Florian W. Beil Stefan Beyer Florian Bickel Christoph Bödefeld Stefan Böhm Niels Fertig Wolfgang Frank Andreas Gärtner Stephan de Haan Dirk Haft Alexander Högele Eva M. Höhberger Alexander W. Holleitner Andreas K. Hüttel Jan Krauß Hans-Jörg Kutschera Christine Meyer Alexander Müller Laura Pescini Christian Schäflein Dominik V. Scheible Christian Schulhauser Christoph Strobl Michael Sztucki Markus Vogel

Diploma Students Christian Dupraz Constanze Höhberger Jochen Kirschbaum Tomas Krämer Tobias Lindenberg Martin Rotter Florian Schrank Daniel Schröer Constanze Sobotta Jan Weber

 
 

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Publications in 2002:

J. Krauß, A. Wixforth, A. V. Kalameitsev, A. O. Govorov, W. Wegscheider, and J. P. Kotthaus
Nonlinear Charge Spreading Visualized in Voltage-Controlled Lateral Superlattices
Phys. Rev. Lett. 88, 036803 (2002)

O. A. Korotchenkov, T. Goto, H. G. Grimmeiss, C. Rocke, and A. Wixforth
Acoustically driven emission of light in granular and layered semiconductors: recent advances and future prospects
Rep. Prog. Phys. 65, 73 (2002)

E. M. Höhberger, R. H. Blick, F. W. Beil, W. Wegscheider, M. Bichler, and J. P. Kotthaus
Magnetotransport in freely suspended two-dimensional elecron systems for integrated nanomechanical resonators
Physica E 12, 487-490 (2002)

J. Kirschbaum, E. M. Höhberger, R. H. Blick, W. Wegscheider, and M. Bichler
Integrating suspended quantum dots circuits for applications in nanomechanics
Appl. Phys. Lett 81, 280 (2002)

A. Holleitner, R. H. Blick, A. Hüttel, E. Eberl, and J. P. Kotthaus
Probing and Controlling the Bonds of an Artificial Molecule
Science 297, 70 (2002)

J. P. Kotthaus
Manipulating Electrons in Nanostructured Semiconductors
Braz. J. Phys. 32, 257 (2002)

D. V. Scheible, A. Erbe, G. Corso, and R. H. Blick
Evidence of a nanomechanical resonator being driven into chaotic response via the Ruelle-Takens route
Appl. Phys. Lett. 81, 1884 (2002)

F. W. Beil, A. Wixforth, and R. H. Blick
Investigation of nano-electromechanical-systems using surface acoustic waves
Physica E 13, 473-476 (2002)

F. W. Beil, A. Wixforth, and R. H. Blick
Broadband Acoustical Tuning of Nano-Electromechanical Sensors
Proceedings of IEEE Sensors 2002 (2002)

D. V. Scheible, A. Erbe, and R. H. Blick
Tunable coupled nanomechanical resonators for single-electron transport
New Journal of Physics 4, 86.1-86.7 (2002)

A. M. Song
Electron ratchet effect in semiconductor devices and artificial materials with broken centrosymmetry
Appl. Phys. A75, 229-235 (2002)

N. Fertig, R. H. Blick, and J. C. Behrends
Whole Cell Patch Clamp Recording Performed on a Planar Glass Chip
Biophys. J., 3056-3062 (2002)

H. Qin , D. W. van der Weide, J. Truitt, Keberl, and R. H. Blick
Electron dynamics of an artificial atom probed by pulsed microwave spectroscopy
Nanotechnology 14, 60-64 (2002)

A. Tilke, R. H. Blick, H. Lorenz, and J. P. Kotthaus
Single-electron effects in highly doped polysilicon nanowires
Physica E 15, 60-64 (2002)

N. Fertig
Activity of single ion channel proteins detected with a planar microstructure
Appl. Phys. Lett. 81, No. 25

A. O. Govorov, S. E. Ulloa, K. Karraï, and R. J. Warburton
Polarized excitons in nanorings and the optical Aharonov-Bohm effect
Phys. Rev. Lett. 66, 081309(R) 2002

A. W. Holleitner, H. Qin, R. H. Blick, K. Eberl, and J. P. Kotthaus
Aharonov-Bohm oscillations for charge transport through two parallel quantum dots
Physica E 12, 774-777 (2002)

C. Schulhauser, D. Haft, R. J. Warburton, K. Karraï, A. O. Govorov, A. V. Kalameitsev,
A. Chaplik, W. Schoenfeld, J. M. Garcia, and P. M. Petroff
Magneto-optical properties of charged excitons in quantum dots
Phys. Rev. B 66, 193303 (2002)

A. Tilke, L. Pescini, A. Erbe, H. Lorenz, and R. H. Blick
Electron-phonon interaction in suspended highly doped silicon nanowires
IOPP Nanotechnology 13, 491-494 (2002)

R. H. Blick, A. Erbe, L. Pescini, A. Kraus, D. V. Scheible, F. W. Beil, E. Höhberger,
A. Hörner, J. Kirschbaum, H. Lorenz, and J. P. Kotthaus
Nanostructured silicon for studying fundamental aspects of nanomechanics
IOPP J. Phys.: Condens. Matter 14, R905-R945 (2002)

E. V. Deviatov, A. A. Shashkin, V. T. Dolgopolov, H.-J. Kutschera, A. Wixforth, K. L. Campman, and A. C. Gossard
Shifting the Quantum Hall Plateau Level in a Double Layer Electron System
JETP Lett. 75, 1, pp. 34-36 (2002)

G. Jänchen, P. Hoffmann, A. Kriele, H. Lorenz, A. J. Kulik, and G. Dietler
Mechanical properties of high-aspect-ratio atomic-force microscope tips
Appl. Phys. Lett. 80, 4623-4625 (2002)

D. Haft, C. Schulhauser, A. O. Govorov, R. J. Warburton, K. Karraï, J. M. Garcia, W. Schoenfeld, and P. M. Petroff
Magneto-optical properties of ring-shaped self-assembled InGaAs quantum dots
Physica E 13, 165 -169 (2002)

H. G. Frey, F. Keilmann, A. Kriele, and R. Guckenberger
Enhancing the resolution of scanning near-field optical microscopy by a metal tip grown on an aperture probe
Appl. Phys. Lett. 81, 5030-5032 (2002)

A. Würtz, R. Wildfeuer, A. Lorke, E. V. Deviatov, and V. T. Dolgopolov
Separately contacted edge states: A spectroscopic tool for the investigation of the quantum Hall effect
Phys. Rev. B 65, 075303 (2002)

W. R. Frank, A. O. Govorov, W. Wegscheider, K. Karraï, and J. P. Kotthaus
Voltage-switchable Bragg reflector for planar optical waveguides
Physica E 13, 377 (2002)

R. J. Warburton, C. Schulhauser, D. Haft, C. Schäflein, K. Karraï, J. M. Garcia, W. Schoenfeld, and P. M. Petroff
Giant permanent dipole moments of excitons in semiconductor nanostructures
Phys. Rev. B 65 B, 113303 (2002)

C. Schulhauser, D. Haft, C. Schäflein, K. Karraï, R. J. Warburton, J.M.Garcia, W. Schoenfeld, and P. M. Petroff
Giant permanent dipole moments of excitons self assembled quantum dots
Physica E 13, 161 (2002)

A. O. Govorov, A. V. Kalameitsev, R. Warburton, K. Karraï, and S. E. Ulloa
Excitons in quantum-ring structures in a magnetic field: optical properties and persistent currents
Physica E 13, 297 (2002)

S. E. Ulloa, A. O. Govorov, A. V. Kalameitsev, R. Warburton, and K. Karraï
Magnetoexcitons in quantum-ring structures: a novel magnetic interference
Physica E 12, 790 (2002)

K. Karraï
Optical properties of single ring-shaped quantum dots
Technical Digest 1, 22 (2002)

H. Qin, R. H. Blick, D. W. van der Weide, and K. Eberl
Electron dynamics of a single quantum dot probed with wideband millimeter-wave spectroscopy
Physica E 13, 109-113 (2002)

H. Qin, J. Truitt, D. W. van der Weide, and R. H. Blick
Probing a single quantum dot by pulsed and continuous microwave radiation
Physica B 314, 444-449 (2002)

N. Fertig, C. Meyer, R. H. Blick, and J. C. Behrends
The patch-clamp on-chip technology
Proc. of the 2^nd caesarium, Bonn 2000, Springer Verlag 2002

A. O. Govorov, S. E. Ulloa, K. Karrai, and R. Warburton
Excitons in nanorings and the optical Aharonov-Bohm effect
Phys. Rev. B 66, 081309(R)(2002)

 
 

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Patents in 2002:

Patents submitted in 2002:
Submitted by Bayern Patent
F. Bickel, K. Karraï
"Process for the fabrication of high throughput near field optical tips"

 
 

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Invited Talks in 2002:

Robert Blick

• "Four quantum dots for one quantum computer"
  12^th international winterschool on new developments in Solid State Physics, Mauterndorf, Austria
• "Nano-electromechanical circuits realized with integrated two-dimensional electron gases"
  First international conference and school on Nanoscale/Molecular Mechanics, Hawaii, USA
• "Entangled quantum dot circuits"
  Workshop on macroscopic quantum coherence and computig, Naples, Italy
• "Spin blockade in quantum dots"
  Summer school on the science and technology of spin transport in nanostructures, Trieste, Italy
• "Nanomechanics in III/V-heterostructures"
  Semiconductor workshop, Hamburg, Germany

Khaled Karraï

• "Optical properties of single ring-shaped quantum dots"
  CLEO/QUELS, conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science Conference,
  Long Beach - California, USA
• "Magnetic properties of charged excitons in quantum dots"
  ICSNN 2002, International conference on superlattices Nano-Structures and Nano-Devices, Toulouse, France

Jörg P. Kotthaus

• "Halbleiter-Nanostrukturen: Von den Grundlagen zu Anwendungen"
  DPG-Frühjahrstagung Festkörperphysik 2002, Regensburg, Germany
• "Coherent transport and electronic interactions in quantum dots"
  Erato Workshop "Mesoscopic Correlations in Nanostructures", Delft, Netherlands
• "Nanostrukturen als Sensoren und Manipulatoren"
  52. ÖPG-Jahrestagung", Leoben, Austria

Heribert Lorenz

• "Nanolithographie - Herstellung von Nanostrukturen mit dem Rasterkraftmikroskop"
  Otti-Technik-Kolleg, 3^rd Workshop on Nanotechnology, Regensburg, Germany, 23./24.10.2002.

Richard J. Warburton

• "Spectroscopy of self-assembled quantum rings"
  26^th international conference on the physics of semiconductors, Edinburgh, United Kingdom
• "Charged excitons in self-assembled quantum dots"
  MRS (Material Research Society) fall meeting, Boston, USA

 
 

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Senior Scientists of Cooperating Groups:

Thomas Bein
CeNS, LMU München, Germany.

Alik Chaplik
Institute of Semiconductor Physics, Novosibirsk, Russia.

Valeri Dolgopolov
Russian Academy of Sciences, Chernogolovka, Russia.

Karl Eberl
Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, Germany.

Jochen Feldmann
CeNS, LMU München, Germany.

Hermann Gaub
CeNS, LMU München, Germany.

Arther C. Gossard
Materials Department, University of California - Santa Barbara, California 93106-5050, USA.

Alexander O. Govorov
Institute of Semiconductor Physics, Novosibirsk, Russia, and Ohio University, Athens, Ohio, USA

Robert D. Grober
Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA.

Reinhard Guckenberger
MPI of Biochemistry, Martinsried, Germany.

Wolfgang Heckl
CeNS, LMU München, Germany.

Patrik Hoffmann
University Lausanne, France.

Serge Huant
Laboratoire de Spectrométrie Physique, Université Joseph Fourier Grenoble and CNRS, BP 87, 38402 Saint Martin d’Hères, France.

Paul Leiderer
University of Konstanz, Germany.

Harri Lipsanen
Optoelectronics Laboratory, Helsinki University of Technology, Otakaari 1, 02150 Espoo, Finland.

Hartmut Metzger
ESRF Grenoble, France.

Karl Neumeier
Walther-Meissner-Institut für Tieftemperaturforschung, Walther-Meissner-Straße 8, 85748 Garching, Germany.

Lukas Novotny
The Institute of Optics, University of Rochester, Rochester, New York 14627, USA.

Johann Peisl
CeNS, LMU München, Germany.

Pierre M. Petroff
University of California - Santa Barbara, California, USA.

Klaus H. Schmidt, Ulrich Kunze
Werkstoffe der Elektrotechnik, Ruhr-Universität Bochum, Germany.

Ulrich Schubert
Eindhoven University of Technology, Chair for Macromolecular Chemistry and Nanoscience, Dutch Polymer Institute, Eindhoven, Netherlands

Dieter Schuh, Max Bichler, Gerhard Abstreiter
Walter Schottky Institut, TU München, Am Coulombwall 3, 85748 Garching, Germany.

Sergio E. Ulloa
Ohio University, Athens, Ohio, USA

Richard Warburton
Heriot-Watt University, Riccarton, Edinburgh, U.K.

Werner Wegscheider
Institut für Angewandte und Experimentelle Physik, Universität Regensburg, 93040 Regensburg, Germany.

Daniel van der Weide
University of Wisconsin-Madison, USA.

Dietmar Weinmann
Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 (CNRS-ULP), 23 rue du Loess, 67037 Strasbourg, France.

 
 

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Financial Support in 2002:

Funding of this work via the following agencies is gratefully acknowledged:

Advalytix AG, München

Alexander von Humboldt - Stiftung

Bayerische Forschungsstiftung

Bundesministerium für Bildung und Wissenschaft, Forschung und Technologie (BMBF)

Deutsche Forschungsgemeinschaft

Studienstiftung des deutschen Volkes

Volkswagen-Stiftung  
 

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