Publications (42)
Epitaxial Growth of a Full-Heusler Alloy Co$_{2}$FeSi on Silicon by Low-Temperature Molecular Beam Epitaxy
S. Yamada, K. Yamamoto, K. Ueda +4
Temperature evolution of spin accumulation detected electrically in a nondegenerated silicon channel
Y. Ando, K. Kasahara, S. Yamada +6
Current-induced magnetization reversal in a (Ga,Mn)As-based magnetic tunnel junction
R. Moriya, K. Hamaya, A. Oiwa +1
Spin-dependent edge-channel transport in a Si/SiGe quantum Hall system
K. Hamaya, S. Masubuchi, K. Hirakawa +5
Room-temperature generation of giant pure spin currents using Co$_2$FeSi spin injectors
T. Kimura, N. Hashimoto, S. Yamada +2
Knight shift detection using gate-induced decoupling of the hyperfine interaction in quantum Hall edge channels
S. Masubuchi, K. Hamaya, T. Machida
Efficient spin transport along Si $\langle$100$\rangle$ at room temperature
M. Ishikawa, M. Tsukahara, Y. Fujita +4
Dynamic relaxation of magnetic clusters in a ferromagnetic (Ga,Mn)As epilayer
K. Hamaya, T. Koike, T. Taniyama +3
Anomalous Hall conductivity and electronic structures of Si-substituted Mn$_{2}$CoAl epitaxial films
K. Arima, F. Kuroda, S. Yamada +3
Giant spin accumulation in silicon nonlocal spin-transport devices
A. Spiesser, H. Saito, Y. Fujita +4
Nonlinear Electrical Spin Conversion in a Biased Ferromagnetic Tunnel Contact
R. Jansen, A. Spiesser, H. Saito +4
Out-of-plane magnetization reversal processes of (Ga,Mn)As with two different hole concentrations
K. Hamaya, T. Taniyama, Y. Yamazaki
Effect of Ga$^{+}$ irradiation on magnetic and magnetotransport properties in (Ga,Mn)As epilayers
H. Kato, K. Hamaya, Y. Kitamoto +2
Room-temperature detection of spin accumulation in silicon across Schottky tunnel barriers using a MOSFET structure
K. Hamaya, Y. Ando, K. Masaki +5
Kondo effect in a semiconductor quantum dot coupled to ferromagnetic electrodes
K. Hamaya, M. Kitabatake, K. Shibata +7
Mixed magnetic phases in (Ga,Mn)As epilayers
K. Hamaya, T. Taniyama, Y. Kitamoto +1
Epitaxial ferromagnetic Fe$_{3}$Si/Si(111) structures with high-quality hetero-interfaces
K. Hamaya, K. Ueda, Y. Kishi +3
Dynamic nuclear polarization and Knight shift measurements in a breakdown regime of integer quantum Hall effect
M. Kawamura, H. Takahashi, S. Masubuchi +4
Electrical injection and detection of spin-polarized electrons in silicon through an Fe_3Si/Si Schottky tunnel barrier
Y. Ando, K. Hamaya, K. Kasahara +5
Large enhancement in the generation efficiency of pure spin currents in Ge using Heusler-compound Co_2FeSi electrodes
K. Kasahara, Y. Fujita, S. Yamada +3
Bias current dependence of spin accumulation signals in a silicon channel detected by a Schottky tunnel contact
Y. Ando, K. Kasahara, K. Yamane +6
Mechanism of Fermi Level Pinning at Metal/Germanium Interfaces
K. Kasahara, S. Yamada, K. Sawano +2
Evidence for the Presence of Spin Accumulation in Localized States at Ferromagnet-Silicon Interfaces
Y. Ando, S. Yamada, K. Kasahara +4
Spin accumulation created electrically in an n-type germanium channel using Schottky tunnel contacts
K. Kasahara, Y. Baba, K. Yamane +6
Effect of the shape anisotropy on the magnetic configuration of (Ga,Mn)As and its evolution with temperature
K. Hamaya, T. Taniyama, T. Koike +1
Effect of the magnetic domain structure in the ferromagnetic contact on spin accumulation in silicon
Y. Ando, S. Yamada, K. Kasahara +3
Spin transport through a single self-assembled InAs quantum dot with ferromagnetic leads
K. Hamaya, S. Masubuchi, M. Kawamura +7
Effect of Co-Fe substitutions on the room-temperature spin polarization in Co_3-xFe_xSi Heusler-compound films
K. Tanikawa, S. Oki, S. Yamada +3
Ion Irradiation Control of Ferromagnetism in (Ga,Mn)As
H. Kato, K. Hamaya, T. Taniyama +2
Pure spin current transport in a SiGe alloy
T. Naito, M. Yamada, M. Tsukahara +3
Electric-field control of spin accumulation signals in silicon at room temperature
Y. Ando, Y. Maeda, K. Kasahara +8
Estimation of the spin polarization for Heusler-compound thin films by means of nonlocal spin-valve measurements: Comparison of Co$_{2}$FeSi and Fe$_{3}$Si
K. Hamaya, N. Hashimoto, S. Oki +3
Giant enhancement of spin pumping efficiency using Fe3Si ferromagnet
Y. Ando, K. Ichiba, S. Yamada +4
Ferromagnetism and Electronic Structures of Nonstoichiometric Heusler-Alloy Fe_3-xMn_xSi Epilayers Grown on Ge(111)
K. Hamaya, H. Itoh, O. Nakatsuka +6
Atomically Controlled Epitaxial Growth of Single-Crystalline Germanium Films on a Metallic Silicide
S. Yamada, K. Tanikawa, M. Miyao +1
Magnetic anisotropy switching in (Ga,Mn)As with increasing hole concentration
K. Hamaya, T. Watanabe, T. Taniyama +3
Electric-field control of tunneling magnetoresistance effect in a Ni/InAs/Ni quantum-dot spin valve
K. Hamaya, M. Kitabatake, K. Shibata +6
Gate-controlled nuclear magnetic resonance in an AlGaAs/GaAs quantum Hall device
S. Masubuchi, K. Hamaya, T. Machida
Spin-Related Current Suppression in a Semiconductor-Quantum-Dot Spin-Diode Structure
K. Hamaya, M. Kitabatake, K. Shibata +6
Electrical coherent control of nuclear spins in a breakdown regime of quantum Hall effect
H. Takahashi, M. Kawamura, S. Masubuchi +4
Electrical polarization of nuclear spins in a breakdown regime of quantum Hall effect
M. Kawamura, H. Takahashi, K. Sugihara +3
Direct Evidence for Suppression of the Kondo Effect due to Pure Spin Current
K. Hamaya, T. Kurokawa, S. Oki +3