Publications in 2001

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). [Abstract]

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). [Abstract]

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). [Abstract]

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). [Abstract]

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). [Abstract]

K. Hashimoto, S. Miyashita, T. Saku and Y. Hirayama,
"Back-gated point contact"
Jpn. J. Appl. Phys. 40, 3000 (2001). [Abstract]

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). [Abstract]

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). [Abstract]

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). [Abstract]

T. Machida, S. Ishizuka, S. Komiyama, K. Muraki and Y. Hirayama,
"Nonequilibrium population in fractional edge states"
Physica B 298, 150 (2001). [Abstract]

T. Machida, S. Ishizuka, S. Komiyama, K. Muraki and Y. Hirayama,
"Scaling in fractional quantum Hall transitions"
Physica B 298, 182 (2001). [Abstract]

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). [Abstract]

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). [Abstract]

K. Suzuki, S. Miyashita and Y. Hirayama,
"Back-gate control in an InAs-based two-dimensional system"
Physica C 352, 125 (2001). [Abstract]

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). [Abstract]

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). [Abstract]

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). [Abstract]

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). [Abstract]

Y. Hirayama, K. Muraki, A. Kawaharazuka, K. Hashimoto and T. Saku,
"Backgated layers and nanostructures"
Physica E 11, 155 (2001). [Abstract]

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). [Abstract]

L. P. Kouwenhoven, D. G. Austing and S. Tarucha,
"Few-electron quantum dots"
Rep. Prog. Phys. 64, 701 (2001). [Abstract]

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). [Abstract]

K. Tsubaki,
"Aharonov-Bohm oscillation in rings with Permalloy"
Jpn. J. Appl. Phys. 40, 1902 (2001). [Abstract]

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).