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Journal Articles

Magnetoresistance analysis of two-dimensional hole gases in GaN/AlGaN/GaN double heterostructures

S. Yamada, A. Fujimoto, S. Yagi, H. Narui, E. Yamaguchi, Y. Imanaka
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 262102 (2024)
https://doi.org/10.1063/5.0208784
Published: June 2024
View article titled, Magnetoresistance analysis of two-dimensional hole gases in GaN/AlGaN/GaN double heterostructures
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Journal Articles

Battery-less luminance sensor biomimicking human sensory nervous system

S. Yamada, H. Toshiyoshi
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 264101 (2023)
https://doi.org/10.1063/5.0181949
Published: December 2023
View article titled, Battery-less luminance sensor biomimicking human sensory nervous system
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Includes: Supplementary data
Journal Articles

Magnetoresistance ratio of more than 1% at room temperature in germanium vertical spin-valve devices with Co2FeSi

A. Yamada, M. Yamada, M. Honda, S. Yamada, K. Sawano, K. Hamaya
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 192404 (2021)
https://doi.org/10.1063/5.0061504
Published: November 2021
View article titled, Magnetoresistance ratio of more than 1% at room temperature in germanium vertical spin-valve devices with Co<sub>2</sub>FeSi
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Journal Articles

Substrate dependent reduction of Gilbert damping in annealed Heusler alloy thin films grown on group IV semiconductors

C. J. Love, B. Kuerbanjiang, A. Kerrigan, S. Yamada, K. Hamaya, G. van der Laan, V. K. Lazarov, S. A. Cavill
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 172404 (2021)
https://doi.org/10.1063/5.0060213
Published: October 2021
View article titled, Substrate dependent reduction of Gilbert damping in annealed Heusler alloy thin films grown on group IV semiconductors
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Includes: Supplementary data
Journal Articles

Effect of Fe atomic layers at the ferromagnet–semiconductor interface on temperature-dependent spin transport in semiconductors

M. Yamada, Y. Shiratsuchi, H. Kambe, K. Kudo, S. Yamada, K. Sawano, R. Nakatani, K. Hamaya
Journal: Journal of Applied Physics
J. Appl. Phys. 129, 183901 (2021)
https://doi.org/10.1063/5.0048321
Published: May 2021
View article titled, Effect of Fe atomic layers at the ferromagnet–semiconductor interface on temperature-dependent spin transport in semiconductors
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Journal Articles

Room-temperature two-terminal magnetoresistance ratio reaching 0.1% in semiconductor-based lateral devices with L21-ordered Co2MnSi

K. Kudo, M. Yamada, S. Honda, Y. Wagatsuma, S. Yamada, K. Sawano, K. Hamaya
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 162404 (2021)
https://doi.org/10.1063/5.0045233
Published: April 2021
View article titled, Room-temperature two-terminal magnetoresistance ratio reaching 0.1% in semiconductor-based lateral devices with <em>L</em>2<sub>1</sub>-ordered Co<sub>2</sub>MnSi
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Journal Articles

Giant magnetoelectric effect in an L21-ordered Co2FeSi/Pb(Mg1/3Nb2/3)O3-PbTiO3 multiferroic heterostructure

T. Usami, S. Fujii, S. Yamada, Y. Shiratsuchi, R. Nakatani, K. Hamaya
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 142402 (2021)
https://doi.org/10.1063/5.0044094
Published: April 2021
View article titled, Giant magnetoelectric effect in an <em>L</em>2<sub>1</sub>-ordered Co<sub>2</sub>FeSi/Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-PbTiO<sub>3</sub> multiferroic heterostructure
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Journal Articles

Experimental estimation of the spin diffusion length in undoped p-Ge on Fe3Si using vertical spin-valve devices

A. Yamada, M. Yamada, T. Shiihara, M. Ikawa, S. Yamada, K. Hamaya
Journal: Journal of Applied Physics
J. Appl. Phys. 129, 013901 (2021)
https://doi.org/10.1063/5.0035323
Published: January 2021
View article titled, Experimental estimation of the spin diffusion length in undoped <em>p</em>-Ge on Fe<sub>3</sub>Si using vertical spin-valve devices
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Journal Articles

Low-noise microwave SQUID multiplexed readout of 38 x-ray transition-edge sensor microcalorimeters

Y. Nakashima, F. Hirayama, S. Kohjiro, H. Yamamori, S. Nagasawa, A. Sato, S. Yamada, R. Hayakawa, N. Y. Yamasaki, K. Mitsuda, K. Nagayoshi, H. Akamatsu, L. Gottardi, E. Taralli, M. P. Bruijn, M. L. Ridder, J. R. Gao, J. W. A. den Herder
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 122601 (2020)
https://doi.org/10.1063/5.0016333
Published: September 2020
View article titled, Low-noise microwave SQUID multiplexed readout of 38 x-ray transition-edge sensor microcalorimeters
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Journal Articles

Thermoelectric properties of single-phase full-Heusler alloy Fe2TiSi films with D3-type disordering

Y. Shimanuki, K. Kudo, T. Ishibe, A. Masago, S. Yamada, Y. Nakamura, K. Hamaya
Journal: Journal of Applied Physics
J. Appl. Phys. 127, 055106 (2020)
https://doi.org/10.1063/1.5141949
Published: February 2020
View article titled, Thermoelectric properties of single-phase full-Heusler alloy Fe<sub>2</sub>TiSi films with <em>D</em><sub>3</sub>-type disordering
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Journal Articles

Hanle spin precession in a two-terminal lateral spin valve

A. Spiesser, Y. Fujita, H. Saito, S. Yamada, K. Hamaya, S. Yuasa, R. Jansen
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 242401 (2019)
https://doi.org/10.1063/1.5096448
Published: June 2019
View article titled, Hanle spin precession in a two-terminal lateral spin valve
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Includes: Supplementary data
Journal Articles

Numerical simulation for the development of DC arc-discharge hydrogen negative ion source for medical use

S. Yamada, Y. Aoki, N. Takahashi, H. Kitami, M. Yaguchi, K. Hoshino, A. Hatayama
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 060004 (2018)
https://doi.org/10.1063/1.5083777
Published: December 2018
View article titled, Numerical simulation for the development of DC arc-discharge hydrogen negative ion source for medical use
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Journal Articles

Development of a tracer-containing compact-toroid injection system

D. Kobayashi, T. Asai, S. Yamada, Y. Ishikawa, N. Tamura, Y. Narushima
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 10I111 (2018)
https://doi.org/10.1063/1.5039310
Published: September 2018
View article titled, Development of a tracer-containing compact-toroid injection system
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Journal Articles

Numerical simulation of the EEDF and the neutral transport in the DC arc-discharge hydrogen negative ion source for medical use

S. Yamada, H. Etoh, Y. Aoki, M. Yaguchi, A. Hatayama
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2011, 050017 (2018)
https://doi.org/10.1063/1.5053315
Published: September 2018
View article titled, Numerical simulation of the EEDF and the neutral transport in the DC arc-discharge hydrogen negative ion source for medical use
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Journal Articles

Electrical properties of pseudo-single-crystalline Ge films grown by Au-induced layer exchange crystallization at 250 °C

H. Higashi, K. Kudo, K. Yamamoto, S. Yamada, T. Kanashima, I. Tsunoda, H. Nakashima, K. Hamaya
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 215704 (2018)
https://doi.org/10.1063/1.5031469
Published: June 2018
View article titled, Electrical properties of pseudo-single-crystalline Ge films grown by Au-induced layer exchange crystallization at 250 °C
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Journal Articles

Interfacial magnetic coupling in hetero-structure of Fe/double-perovskite NdBaMn2O6 single crystal

W. C. Lin, C. L. Tsai, K. Ogawa, S. Yamada, Ashish C. Gandhi, J. G. Lin
Journal: Applied Physics Letters
Appl. Phys. Lett. 112, 162403 (2018)
https://doi.org/10.1063/1.5023119
Published: April 2018
View article titled, Interfacial magnetic coupling in hetero-structure of Fe/double-perovskite NdBaMn<sub>2</sub>O<sub>6</sub> single crystal
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Journal Articles

Edge-spin-derived magnetism in few-layer MoS2 nanomeshes

Editor’s Pick
G. Kondo, N. Yokoyama, S. Yamada, Y. Hashimoto, C. Ohata, S. Katsumoto, J. Haruyama
Journal: AIP Advances
AIP Advances 7, 125019 (2017)
https://doi.org/10.1063/1.4989477
Published: December 2017
View article titled, Edge-spin-derived magnetism in few-layer MoS<sub>2</sub> nanomeshes
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Includes: Supplementary data
Journal Articles

A crystalline germanium flexible thin-film transistor

H. Higashi, M. Nakano, K. Kudo, Y. Fujita, S. Yamada, T. Kanashima, I. Tsunoda, H. Nakashima, K. Hamaya
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 222105 (2017)
https://doi.org/10.1063/1.5007828
Published: November 2017
View article titled, A crystalline germanium flexible thin-film transistor
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Journal Articles

Numerical modeling of the negative hydrogen ion production in the ion source for cyclotrons

M. Onai, H. Etoh, S. Mattei, T. Shibata, Y. Aoki, S. Fujita, S. Yamada, A. Hatayama, J. Lettry
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1869, 030043 (2017)
https://doi.org/10.1063/1.4995763
Published: August 2017
View article titled, Numerical modeling of the negative hydrogen ion production in the ion source for cyclotrons
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Journal Articles

A pressure sensitive ionic gel FET for tactile sensing

S. Yamada, T. Sato, H. Toshiyoshi
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 253501 (2017)
https://doi.org/10.1063/1.4986198
Published: June 2017
View article titled, A pressure sensitive ionic gel FET for tactile sensing
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