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Kohei Hamaya
Kohei Hamaya
Verified email at ee.es.osaka-u.ac.jp
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Cited by
Year
Electrical injection and detection of spin-polarized electrons in silicon through an Fe_3Si/Si Schottky tunnel barrier
Y Ando, K Hamaya, K Kasahara, Y Kishi, K Ueda, K Sawano, T Sadoh, ...
Applied physics letters 94 (18), 182105-182105-3, 2009
1472009
Room-temperature generation of giant pure spin currents using epitaxial Co2FeSi spin injectors
T Kimura, N Hashimoto, S Yamada, M Miyao, K Hamaya
NPG asia materials 4 (3), e9-e9, 2012
1252012
Epitaxial ferromagnetic Fe Si/Si (111) structures with high-quality hetero-interfaces
K Hamaya, K Ueda, Y Kishi, Y Ando, T Sadoh, M Miyao
Applied physics letters 93 (13), 132117-132117-3, 2008
1252008
Ferromagnetism and Electronic Structures of Nonstoichiometric Heusler-Alloy Epilayers Grown on Ge(111)
K Hamaya, H Itoh, O Nakatsuka, K Ueda, K Yamamoto, M Itakura, ...
Physical review letters 102 (13), 137204, 2009
1132009
Spin transport through a single self-assembled InAs quantum dot with ferromagnetic leads
K Hamaya, S Masubuchi, M Kawamura, T Machida, M Jung, K Shibata, ...
Applied physics letters 90 (5), 053108, 2007
1072007
Effect of atomically controlled interfaces on Fermi-level pinning at metal/Ge interfaces
K Yamane, K Hamaya, Y Ando, Y Enomoto, K Yamamoto, T Sadoh, ...
Applied Physics Letters 96 (16), 2010
972010
Kondo effect in a semiconductor quantum dot coupled to ferromagnetic electrodes
K Hamaya, M Kitabatake, K Shibata, M Jung, M Kawamura, K Hirakawa, ...
Applied Physics Letters 91 (23), 2007
952007
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, S Yamada, M Miyao, T Kimura
Physical Review B 85 (10), 100404, 2012
912012
Magnetotransport study of temperature dependent magnetic anisotropy in a (Ga, Mn) As epilayer
K Hamaya, T Taniyama, Y Kitamoto, R Moriya, H Munekata
Journal of applied physics 94 (12), 7657-7661, 2003
902003
Electric-field control of tunneling magnetoresistance effect in a Ni/InAs/Ni quantum-dot spin valve
K Hamaya, M Kitabatake, K Shibata, M Jung, M Kawamura, K Hirakawa, ...
Applied physics letters 91 (2), 022107-022107-3, 2007
852007
Significant growth-temperature dependence of ferromagnetic properties for Co2FeSi/Si (111) prepared by low-temperature molecular beam epitaxy
S Yamada, K Hamaya, K Yamamoto, T Murakami, K Mibu, M Miyao
Applied Physics Letters 96 (8), 2010
832010
Spin accumulation created electrically in an n-type germanium channel using Schottky tunnel contacts
K Kasahara, Y Baba, K Yamane, Y Ando, S Yamada, Y Hoshi, K Sawano, ...
Journal of Applied Physics 111 (7), 2012
812012
Greatly enhanced generation efficiency of pure spin currents in Ge using Heusler compound Co2FeSi electrodes
K Kasahara, Y Fujita, S Yamada, K Sawano, M Miyao, K Hamaya
Applied Physics Express 7 (3), 033002, 2014
792014
High carrier mobility in orientation-controlled large-grain (≥ 50 μm) Ge directly formed on flexible plastic by nucleation-controlled gold-induced-crystallization
JH Park, K Kasahara, K Hamaya, M Miyao, T Sadoh
Applied Physics Letters 104 (25), 2014
772014
Electric-field control of spin accumulation signals in silicon at room temperature
Y Ando, Y Maeda, K Kasahara, S Yamada, K Masaki, Y Hoshi, K Sawano, ...
Applied Physics Letters 99 (13), 2011
762011
Bias current dependence of spin accumulation signals in a silicon channel detected by a Schottky tunnel contact
Y Ando, K Kasahara, K Yamane, Y Baba, Y Maeda, Y Hoshi, K Sawano, ...
Applied Physics Letters 99 (1), 2011
682011
Oscillatory changes in the tunneling magnetoresistance effect in semiconductor quantum-dot spin valves
K Hamaya, M Kitabatake, K Shibata, M Jung, M Kawamura, S Ishida, ...
Physical Review B 77 (8), 081302, 2008
642008
Room-temperature structural ordering of a Heusler compound FeSi
S Yamada, J Sagar, S Honda, L Lari, G Takemoto, H Itoh, A Hirohata, ...
Physical Review B 86 (17), 174406, 2012
612012
Local structural ordering in low-temperature-grown epitaxial Fe 3+ x Si 1− x films on Ge (111)
K Hamaya, T Murakami, S Yamada, K Mibu, M Miyao
Physical Review B 83 (14), 144411, 2011
602011
Giant spin accumulation in silicon nonlocal spin-transport devices
A Spiesser, H Saito, Y Fujita, S Yamada, K Hamaya, S Yuasa, R Jansen
Physical Review Applied 8 (6), 064023, 2017
592017
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