Publications in 2007

N. Kumada, K. Muraki and Y. Hirayama,
"NMR Evidence for Spin Canting in a Bilayer ν = 2 Quantum Hall System"
Phys. Rev. Lett. 99, 076805 (2007). [Abstract]

K. Takashina, M. Brun, T. Ota, D. K. Maude, A. Fujiwara, Y. Ono, Y. Takahashi and Y. Hirayama,
"Anomalous Resistance Ridges along Filling Factor ν=4i"
Phys. Rev. Lett. 99, 036803 (2007). [Abstract]

K. Suzuki, K. Kanisawa, C. Janer, S. Perraud, K. Takashina, T. Fujisawa and Y. Hirayama,
"Spatial Imaging of Two-Dimensional Electron States in Semiconductor Quantum Wells"
Phys. Rev. Lett. 98, 136802 (2007). [Abstract]

T. Ota, G. Yusa, N. Kumada, S. Miyashita, T. Fujisawa and Y. Hirayama,
"Decoherence of nuclear spins due to dipole-dipole interactions probed by resistively detected nuclear magnetic resonance"
Appl. Phys. Lett. 91, 193101 (2007). [Abstract]

T. Ota, G. Yusa, N. Kumada, S. Miyashita and Y. Hirayama,
"Nuclear spin population and its control toward initialization using an all-electrical submicron scale nuclear magnetic resonance device"
Appl. Phys. Lett. 90, 102118 (2007). [Abstract]

G. Shinkai, T. Hayashi, Y. Hirayama and T. Fujisawa,
"Controlled resonant tunneling in a coupled double-quantum-dot system"
Appl. Phys. Lett. 90, 103116 (2007). [Abstract]

T. Fujisawa, G. Shinkai and T. Hayashi,
"Zeeman Splitting in Single-electron Transport through a Few-electron Quantum Dot"
Phys. Rev. B 76, 041302(R) (2007). [Abstract]

S. Perraud, K. Kanisawa, Zhao-Zhong Wang and T. Fujisawa,
"Imaging the percolation of localized states in a multisubband two-dimensional electronic system subject to a disorder potential"
Phys. Rev. B 76, 195333 (2007). [Abstract]

K. Takashina, B. Gaillard, Y. Ono and Y. Hirayama,
"Low Temperature Characteristics of Ambipolar SiO2/Si/SiO2 Hall-Bar Devices"
Jpn. J. Appl. Phys. 46, 2596 (2007). [Abstract]

K. Suzuki, K. Kanisawa, S. Perraud, M. Ueki, K. Takashina and Y. Hirayama,
"Imaging of interference between incident and reflected electron waves at an InAs/GaSb heterointerface by low-temperature scanning tunneling spectroscopy"
Jpn. J. Appl. Phys. 46, 2618 (2007). [30th JJAP PAPER AWARD] [Abstract]

K. Suzuki, K. Kanisawa, S. Perraud, M. Ueki, K. Takashina and Y. Hirayama,
"Observation of subband standing waves in superlattices by low-temperature scanning tunneling spectroscopy"
J. Appl. Phys. 101, 081705 (2007). [Abstract]

C. W. Lai, N. Y. Kim, S. Utsunomiya, G. Roumpos, H. Deng, M. D. Fraser, T. Byrnes, P. Recher, N. Kumada, T. Fujisawa and Y. Yamamoto,
"Coherent zero-state and π-state in an exciton-polariton condensate array"
Nature 450, 529 (2007). [Abstract]

K. Muraki, N. Kumada and Y. Hirayama,
"Interaction of Electron and Nuclear Spins in Quantum Wells"
Int. J. Mod. Phys. B 21, 1266 (2007). [Abstract]

Y. Hirayama, T. Sogawa, K. Suzuki, K. Kanisawa and H. Yamaguchi,
"Semiconductor Heterostructure Studies using Emerging technologies"
Phys. Stat. Sol. (b) 244, 2988 (2007). [Abstract]

T. Ota, N. Kumada, G. Yusa, S. Miyashita and Y. Hirayama,
"Study of nuclear quadrupolar interaction using a novel all-electrical GaAs NMR device"
Phys. Stat. Sol. (c) 4, 1759 (2007). [Abstract]

K. Suzuki, K. Kanisawa, S. Perraud, M. Ueki, K. Takashina and Y. Hirayama,
"Imaging of subbands in InAs/GaSb double quantum wells by low-temperature scanning tunneling spectroscopy"
J. Cryst. Growth 301, 97 (2007). [Abstract]

S. Perraud, K. Kanisawa, Z. Z. Wang and Y. Hirayama,
Dramatic dependence of the Fermi level pinning strength on crystal orientation at clean surfaces of n-type In0.53Ga0.47As grown by molecular beam epitaxy"
J. Cryst. Growth 301, 148 (2007). [Abstract]

H. Joe, T. Akiyama, K. Nakamura, K. Kanisawa and T. Ito,
"An empirical potential approach to the structural stability of InAs stacking-fault tetrahedron in InAs/GaAs(111)"
J. Cryst. Growth 301, 837 (2007). [Abstract]

S. Moreau, O. M. Fedorych, M. L. Sadowski, M. Potemski, S. Studenikin, G. Austing, A. S. Sachrajda, T. Saku and Y. Hirayama,
"Response of a 2DEG to microwave irradiation"
Int. J. Mod. Phys. B 21, 1579 (2007). [Abstract]

S. Watanabe, J. Harada, S. Sasaki and Y. Hirayama,
"Dynamical suppression of nuclear-spin decoherence time in Si and GaAs using inversion pulses"
J. Magn. Magn. Mater. 310, 2167 (2007). [Abstract]

V. T. Renard, T. Ota, N. Kumada and Y. Hirayama,
"Positive magneto-resistance in a point contact: possible manifestation of interactions"
Int. J. High Speed Electronics and Systems 17, 495 (2007). [Abstract]

W. J. M. Naber, T. Fujisawa, H. W. Liu and W. G. van der Wiel,
"Interaction of a 2-level system with 2D phonons"
AIP Conf. Proc. 893, 775 (2007). [Abstract]

A. Fukuda, S. Kozumi, D. Terasawa, N. Kumada, Y. Hirayama, Z. F. Ezawa and A. Sawada,
"Effects of In-plane Magnetic Fields on the Canted Antiferromagnetic Phase in the Bilayer ν=2 Quantum Hall State"
AIP Conf. Proc. 893, 639 (2007). [Abstract]

K. Iwata, M. Moriono, A. Fukuda, A. Sawada, M. Suzuki, Z. F. Ezawa, N. Kumada and Y. Hirayama,
"Anisotropy of Current-pumped Nuclear Spin Polarization in the ν=2/3 Quantum Hall State"
AIP Conf. Proc. 893, 643 (2007). [Abstract]