Publications 2001
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K. Kanisawa, M. J. Butcher, H. Yamaguchi, and Y. Hirayama
Imaging of Friedel oscillation patterns of two-dimensionally accumulated electrons at epitaxially grown InAs(111)A surfaces
Phys. Rev. Lett. 86, 3384 (2001).
[abstract]
K. Kanisawa, M. J. Butcher, Y. Tokura, H. Yamaguchi, and Y. Hirayama
Local density of states in zero-dimensional semiconductor structures
Phys. Rev. Lett. 87, 196804 (2001). [abstract]
K. Muraki, T. Saku, and Y. Hirayama
Charge excitations in easy-axis and easy-plane quantum Hall ferromagnets
Phys. Rev. Lett. 87, 196801 (2001).
[abstract]
M. Pi, A. Emperador, M. Barranco, F. Garcias, K. Muraki, S. Tarucha, and D. G. Austing
Dissociation of vertical semiconductor diatomic artificial molecules
Phys. Rev. Lett. 87, 066801 (2001).
[abstract]
S. De Franceschi, S. Sasaki, J. M. Elzerman, W. G. van der Wiel, S. Tarucha, and L. P. Kouwenhoven
Electron cotunneling in a semiconductor quantum dot
Phys. Rev. Lett. 86, 878 (2001). [abstract]
Y. Avishai and Y. Tokura
Resonant electron transmission through a finite quantum spin chain
Phys. Rev. Lett. 87, 197203 (2001).
[abstract]
H. Yamaguchi, R. Dreyfus, Y. Hirayama, and S. Miyashita
Excellent electric properties of free-standing InAs membranes
Appl. Phys. Lett. 78, 2372 (2001).
[abstract]
A. Kawaharazuka, T. Saku, Y. Tokura, Y. Horikoshi, and Y. Hirayama
Transport characteristics of electrons in weak short-period two-dimensional potential arrays
Appl. Phys. Lett. 79, 427 (2001).
[abstract]
R. J. A. Hill, A. Patane, P. C. Main, L. Eaves, B. Gustafson, M. Henini, S. Tarucha, and D. G. Austing
Magnetotunneling spectroscopy of an individual quantum dot in a gated tunnel diode
Appl. Phys. Lett. 79, 3275 (2001).
[abstract]
T. Fujisawa, Y. Tokura, and Y. Hirayama
Transient current spectroscopy of a quantum dot in the Coulomb blockade regime
Phys. Rev. B 63, 081304R (2001). [abstract]
T. Machida, S. Ishizuka, S. Komiyama, K. Muraki, and Y. Hirayama
Resistance fluctuations in quantum Hall transitions: network of compressible-incompressible regions
Phys. Rev. B 63, 045318 (2001). [abstract]
A. Kawaharazuka, T. Saku, C. A. Kikuchi, Y. Horikoshi, and Y. Hirayama
Free GaAs surfaces studied using a back-gated undoped GaAs/AlxGa1-xAs heterostructure
Phys. Rev. B 63, 245309 (2001).
[abstract]
P. Matagne, J. P. Leburton, D. G. Austing, and S. Tarucha,
Shell charging and spin-filling sequences in realistic vertical quantum dots
Phys. Rev. B 65, 085325 (2001).
[abstract]
A. Taguchi, K. Shiraishi, and T. Ito
First-principles study of Si incorporation processes on a GaAs(111)A surface
J. Cryst. Growth 227-228, 83 (2001).
T. Ito, K. Shiraishi, and A. Taguchi
A simple approach to structural stability of semiconductors and their interfaces
J. Cryst. Growth 227-228, 366 (2001).
A. Taguchi, K. Shiraishi, T. Ito, and Y. Kangawa
Theoretical investigations of adatom adsorptions on the As-stabilized GaAs(111)A surface
Surf. Sci. 493, 173 (2001).
Y. Kangawa, T. Ito, A. Taguchi, K. Shiraishi, and T. Ohachi
A new theoretical approach to adsorption-desorption behavior of Ga on GaAs surfaces
Surf. Sci. 493, 178 (2001).
W. G. van der Wiel, T. Fujisawa, S. Tarucha, and L. P. Kouwenhoven
A double quantum dot as artificial two-level system
Jpn. J. Appl. Phys. 40, 2100 (2001).
K. Hashimoto, S. Miyashita, T. Saku, and Y. Hirayama
Back-gated point contact
Jpn. J. Appl. Phys. 40, 3000 (2001).
R. J. A. Hill, A. Patane, P. C. Main, M. Henini, L. Eaves, S. Tarucha, and D. G. Austing
Controlling the electron tunneling through InAs self-assembled dots
J. Appl. Phys. 91, 3474 (2001).
K. Hashimoto, K. Muraki, T. Saku, and Y. Hirayama
Longitudinal resistance anomaly around the 2/3 filling factor observed in a GaAs/AlGaAs single heterostructure
Physica B 298, 191 (2001).
N. Kumada, A. Sawada, Z. F. Ezawa, H. Azuhata, S. Nagahama, K. Muraki, T. Saku, and Y. Hirayama
Preferred number of flipped spins in Skyrmion excitation
Physica B 298, 169 (2001).
T. Machida, S. Ishizuka, S. Komiyama, K. Muraki, and Y. Hirayama
Nonequilibrium population in fractional edge states
Physica B 298, 150 (2001).
T. Machida, S. Ishizuka, S. Komiyama, K. Muraki, and Y. Hirayama
Scaling in fractional quantum Hall transitions
Physica B 298, 182 (2001).
Y. Tokura, S. Sasaki, D. G. Austing, and S. Tarucha
Excitation spectra and exchange interactions in circular and elliptical quantum dots
Physica B 298, 260 (2001).
T. Fujisawa, Y. Tokura, and Y. Hirayama
Energy relaxation process in a quantum dot studied by dc current and pulse-excited current measurements
Physica B 298, 573 (2001).
K. Suzuki, S. Miyashita, and Y. Hirayama
Back-gate control in an InAs-based two-dimensional system
Physica C 352, 125 (2001).
S. Tarucha, D. G. Austing, S. Sasaki, Y. Tokura, J. M. Elzerman, W. van der Wiel, S. de Franceschi, and L. P. Kouwenhoven
Spin effects in semiconductor quantum dot structures
Physica E 10, 45 (2001).
D. G. Austing, H. Tamura, Y. Tokura, K. Muraki, S. Amaha, K. Ono, and S. Tarucha
Single dot and strongly coupled double dots at high magnetic fields
Physica E 10, 112 (2001).
D. G. Austing, Y. Tokura, S. Tarucha, P. Matagne, and J. P. Leburton
Addition energy spectrum of a quantum dot disk up to the third shell
Physica E 11, 63 (2001).
K. J. Friedland, T. Saku, Y. Hirayama, and K. H. Ploog
Electron coupling in weakly and strongly coupled quantum point contacts
Physica E 11, 144 (2001).
Y. Hirayama, K. Muraki, A. Kawaharazuka, K. Hashimoto, and T. Saku
Backgated layers and nanostructures
Physica E 11, 155 (2001).
S. Amaha, D. G. Austing, Y. Tokura, K. Muraki, K. Ono, and S. Tarucha
Magnetic field induced transitions in the few-electron ground states of artificial molecules
Solid State Commun. 119, 183 (2001).
L. P. Kouwenhoven, D. G. Austing, and S. Tarucha
Few-electron quantum dots
Rep. Prog. Phys. 64, 701 (2001).
S. Tarucha, D. G. Austing, S. Sasaki, T. Fujisawa, Y. Tokura, J. M. Elzerman, W. van der Wiel, S de Franceschi, and L. P. Kouwenhoven
Novel Kondo anomaly in quantum dots
Mat. Sci. Eng. B 84, 10 (2001).
K. Kanisawa, M. J. Butcher, H. Yamaguchi, and Y. Hirayama
Imaging of Friedel oscillations at epitaxially grown InAs (111)A surfaces using scanning tunneling microscopy
Proc. 25th Int. Conf. on Physics of Semicond. Part I, 427 (2001).
K. Hashimoto, T. Saku, and Y. Hirayama
Slow resistance enhancements in the fractional quantum Hall regime observed in GaAs/AlGaAs single heterostructure
Proc. 25th Int. Conf. on Physics of Semicond. Part II, 937 (2001).
K. Muraki, T. Saku, and Y. Hirayama
Effects of spin and charge profiles on the phase transition in bilayer quantum Hall systems
Proc. 25th Int. Conf. on Physics of Semicond. Part II, 983 (2001).
S. Sasaki, D. G. Austing, Y. Kitamura, S. Tarucha, S. de Franceschi, J. M. Elzerman, W. G. van der Wiel, and L. P. Kouwenhoven
A novel Kondo effect in a vertical quantum dot
Proc. 25th Int. Conf. on Physics of Semicond. Part II, 1025 (2001).
T. Fujisawa, Y. Tokura, and Y. Hirayama
Relaxation time of excited state in a quantum dot studied by pulse-excited current
Proc. 25th Int. Conf. on Physics of Semicond. Part II, 1031 (2001).
M. Yamamoto, M. Stopa, Y. Tokura, Y. Hirayama, and S. Tarucha
Coulomb drag in parallel quantum wires -- Tomonaga-Luttinger liquid effect of Coulomb drag
Proc. 25th Int. Conf. on Physics of Semicond. Part II, 1051 (2001).
A. Kawaharazuka, T. Saku, Y. Tokura, Y. Horikoshi, and Y. Hirayama
Transport characteristics of electrons in weak short-period two-dimensional potential arrays
Proc. 25th Int. Conf. on Physics of Semicond. Part II, 1341 (2001).
3-1 Morinosato-Wakamiya, Atugi, Kanagawa 243-0198, Japan
Qauntum Solid State Physics Research Group
Physical Science Labortory
NTT Basic Research Laboratories
NTT