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Effect of crystallinity on spin-orbit torque in 5d iridium oxide IrO2
Tetsuro Morimoto, Kohei Ueda, Junichi Shiogai, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
Physical Review Materials Vol. 9 2025/05/28 Research paper (scientific journal)
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Wideband wide-field imaging of spin-wave propagation using diamond quantum sensors
Kensuke Ogawa, Moeta Tsukamoto, Yusuke Mori, Daigo Takafuji, Junichi Shiogai, Kohei Ueda, Jobu Matsuno, Kento Sasaki, Kensuke Kobayashi
Physical Review Applied Vol. 23 No. 5 2025/05/01 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Suppression of ferromagnetism in rippled La2/3Sr1/3MnO3 membrane with process-induced strain prepared by epitaxial lift-off technique
Kota Kanda, Ryuji Atsumi, Takamasa Usami, Takumi Yamazaki, Kohei Ueda, Takeshi Seki, Shigeki Miyasaka, Jobu Matsuno, Junichi Shiogai
APL Materials Vol. 13 No. 041117 2025/04/18 Research paper (scientific journal)
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Non-coplanar spin structure in a metallic thin film of triangular lattice antiferromagnet CrSe
Yusuke Tajima, Junichi Shiogai, Kohei Ueda, Hirotake Suzaki, Kensuke Takaki, Takeshi Seki, Kazutaka Kudo, Jobu Matsuno
APL Materials Vol. 12 No. 041112 2024/04/10 Research paper (scientific journal)
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Effect of interface quality on spin Hall magnetoresistance in Pt/MgFe2O4 bilayers
Masafumi Sugino, Kohei Ueda, Takanori Kida, Masayuki Hagiwara, Jobu MATSUNO
Applied Physics Express Vol. 17 No. 1 p. 013003-013003 2023/12/27 Research paper (scientific journal)
Publisher: IOP Publishing
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Impact of epitaxial strain relaxation on ferromagnetism in a freestanding La2/3Sr1/3MnO3 membrane
Ryuji Atsumi, Junichi SHIOGAI, Takumi Yamazaki, Takeshi SEKI, Kohei Ueda, Jobu MATSUNO
Japanese Journal of Applied Physics Vol. 62 No. 10 p. 100902-100902 2023/10/11 Research paper (scientific journal)
Publisher: IOP Publishing
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Spin current generation from an epitaxial tungsten dioxide WO2
Kohei Ueda, Hayato Fujii, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
APL Materials Vol. 11 No. 6 2023/06/01 Research paper (scientific journal)
Publisher: AIP Publishing
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Spin Hall magnetoresistance in Pt/Y3Fe5O12 bilayers grown on Si and Gd3Ga5O12 substrates
Kenta Fukushima, Kohei Ueda, Naoki Moriuchi, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
Applied Physics Letters Vol. 121 No. 23 p. 232403-232403 2022/12/05 Research paper (scientific journal)
Publisher: AIP Publishing
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Spin–orbit torque generation in bilayers composed of CoFeB and epitaxial SrIrO3 grown on an orthorhombic DyScO3 substrate
Sosuke Hori, Kohei Ueda, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
Applied Physics Letters Vol. 121 No. 2 p. 022402-022402 2022/07/11 Research paper (scientific journal)
Publisher: {AIP} Publishing
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Stacking-Order Effect on Spin-Orbit Torque, Spin Hall Magnetoresistance, and Magnetic Anisotropy in Ni81Fe(19)-IrO2 Bilayers
Kohei Ueda, Naoki Moriuchi, Kenta Fukushima, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
Physical Review Applied Vol. 16 No. 3 2021/09/22 Research paper (scientific journal)
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Spin-orbit torque generation in NiFe/IrO2 bilayers
Kohei Ueda, Naoki Moriuchi, Kenta Fukushima, Takanori Kida, Masayuki Hagiwara, Jobu Matsuno
Physical Review B Vol. 102 No. 13 2020/10/27 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Effect of annealing on magnetic properties in ferrimagnetic GdCo alloy films with bulk perpendicular magnetic anisotropy
Kohei Ueda, Aik Jun Tan, Geoffrey S. D. Beach
AIP Advances Vol. 8 No. 12 p. 125204-125204 2018/12 Research paper (scientific journal)
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Correlation of the Dzyaloshinskii-Moriya interaction with Heisenberg exchange and orbital asphericity
Kim, Sanghoon, Ueda, Kohei, Go, Gyungchoon, Jang, Peong-Hwa, Lee, Kyung-Jin, Belabbes, Abderrezak, Manchon, Aurelien, Suzuki, Motohiro, Kotani, Yoshinori, Nakamura, Tetsuya, Nakamura, Kohji, Koyama, Tomohiro, Chiba, Daichi, Yamada, Kihiro. T., Kim, Duck-Ho, Moriyama, Takahiro, Kim, Kab-Jin, Ono, Teruo
Nature Communications Vol. 9 No. 1 p. 1648-1648 2018 Research paper (scientific journal)
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Fast current-driven domain walls and small skyrmions in a compensated ferrimagnet
Caretta, Lucas, Mann, Maxwell, Buettner, Felix, Ueda, Kohei, Pfau, Bastian, Guenther, Christian M., Hessing, Piet, Churikoval, Alexandra, Klose, Christopher, Schneider, Michael et al.
Nature Nanotechnology Vol. 13 No. 12 p. 1154-+ 2018 Research paper (scientific journal)
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Temperature dependence of spin-orbit torques across the magnetic compensation point in a ferrimagnetic TbCo alloy film
Ueda, Kohei, Mann, Maxwell, de Brouwer, Paul W. P., Bono, David, Beach, Geoffrey S. D.
Physical Review B Vol. 96 No. 6 2017 Research paper (scientific journal)
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Soliton-like magnetic domain wall motion induced by the interfacial Dzyaloshinskii-Moriya interaction
Yoshimura, Yoko, Kim, Kab-Jin, Taniguchi, Takuya, Tono, Takayuki, Ueda, Kohei, Hiramatsu, Ryo, Moriyama, Takahiro, Yamada, Keisuke, Nakatani, Yoshinobu, Ono, Teruo
Nature Physics Vol. 12 No. 2 p. 157-+ 2016 Research paper (scientific journal)
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Effect of rare earth metal on the spin-orbit torque in magnetic heterostructures
Ueda, Kohei, Pai, Chi-Feng, Tan, Aik Jun, Mann, Maxwell, Beach, Geoffrey S. D.
Applied Physics Letters Vol. 108 No. 23 2016 Research paper (scientific journal)
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Spin-orbit torques in Ta/TbxCo100-x ferrimagnetic alloy films with bulk perpendicular magnetic anisotropy
Ueda, Kohei, Mann, Maxwell, Pai, Chi-Feng, Tan, Aik-Jun, Beach, Geoffrey S. D.
Applied Physics Letters Vol. 109 No. 23 2016 Research paper (scientific journal)
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Temperature dependence of current-induced magnetic domain wall motion in an asymmetric Co/Ni nanowire
Ueda, Kohei, Hiramatsu, Ryo, Kim, Kab-Jin, Taniguchi, Takuya, Tono, Takayuki, Moriyama, Takahiro, Ono, Teruo
Japanese Journal of Applied Physics Vol. 54 No. 3 2015 Research paper (scientific journal)
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In-plane field-driven crossover in the spin-torque mechanism acting on magnetic domain walls in Co/Ni
Ueda, Kohei, Kim, Kab-Jin, Taniguchi, Takuya, Tono, Takayuki, Moriyama, Takahiro, Ono, Teruo
Physical Review B Vol. 91 No. 6 2015 Research paper (scientific journal)
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Transition in mechanism for current-driven magnetic domain wall dynamics
Ueda, Kohei, Kim, Kab-Jin, Yoshimura, Yoko, Hiramatsu, Ryo, Moriyama, Takahiro, Chiba, Daichi, Tanigawa, Hironobu, Suzuki, Tetsuhiro, Kariyada, Eiji, Ono, Teruo
Applied Physics Express Vol. 7 No. 5 2014 Research paper (scientific journal)
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Operating principle of a three-terminal domain wall device with perpendicularly magnetized Ta/CoFeB/MgO free layer and underlying hard magnets
Tanigawa, Hironobu, Suzuki, Tetsuhiro, Suemitsu, Katsumi, Ohshima, Norikazu, Kitamura, Takuya, Ohkochi, Takuo, Kotsugi, Masato, Kinoshita, Toyohiko, Koyama, Tomohiro, Chiba, Daichi, Yoshimura, Yoko, Ueda, Kohei, Ono, Teruo, Kariyada, Eiji
Japanese Journal of Applied Physics Vol. 53 No. 6 2014 Research paper (scientific journal)
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Two-barrier stability that allows low-power operation in current-induced domain-wall motion
Kim, Kab-Jin, Hiramatsu, Ryo, Koyama, Tomohiro, Ueda, Kohei, Yoshimura, Yoko, Chiba, Daichi, Kobayashi, Kensuke, Nakatani, Yoshinobu, Fukami, Shunsuke, Yamanouchi, Michihiko, Ohno, Hideo, Kohno, Hiroshi, Tatara, Gen, Ono, Teruo
Nature Communications Vol. 4 No. 2011 2013 Research paper (scientific journal)
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Current-induced magnetic domain wall motion below intrinsic threshold triggered by Walker breakdown
Koyama, T., Ueda, K., Kim, K. -J., Yoshimura, Y., Chiba, D., Yamada, K., Jamet, J. -P., Mougin, A., Thiaville, A., Mizukami, S., Fukami, S., Ishiwata, N., Nakatani, Y., Kohno, H., Kobayashi, K., Ono, T.
Nature Nanotechnology Vol. 7 No. 10 p. 635-639 2012 Research paper (scientific journal)
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Temperature dependence of carrier spin polarization determined from current-induced domain wall motion in a Co/Ni nanowire
Ueda, K., Koyama, T., Hiramatsu, R., Chiba, D., Fukami, S., Tanigawa, H., Suzuki, T., Ohshima, N., Ishiwata, N., Nakatani, Y., Kobayashi, K., Ono, T.
Applied Physics Letters Vol. 100 No. 20 2012 Research paper (scientific journal)
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Current-induced domain wall motion in Co/Ni nano-wires with different Co and Ni thicknesses
Ueda, K., Chiba, D., Koyama, T., Yamada, G., Tanigawa, H., Fukami, S., Suzuki, T., Ohshima, N., Ishiwata, N., Nakatani, Y., Ono, T.
Journal of Physics: Conference Series Vol. 266 No. 1 2011 Research paper (international conference proceedings)
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Magnetic field insensitivity of magnetic domain wall velocity induced by electrical current in Co/Ni nanowire
Koyama, T., Chiba, D., Ueda, K., Tanigawa, H., Fukami, S., Suzuki, T., Ohshima, N., Ishiwata, N., Nakatani, Y., Ono, T.
Applied Physics Letters Vol. 98 No. 19 2011 Research paper (scientific journal)
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Observation of the intrinsic pinning of a magnetic domain wall in a ferromagnetic nanowire
Koyama, T., Chiba, D., Ueda, K., Kondou, K., Tanigawa, H., Fukami, S., Suzuki, T., Ohshima, N., Ishiwata, N., Nakatani, Y., Kobayashi, K., Ono, T.
Nature Materials Vol. 10 No. 3 p. 194-197 2011 Research paper (scientific journal)
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Current-Induced Magnetic Domain Wall Motion in Co/Ni Nanowire at Low Temperature
Ueda, Kohei, Koyama, Tomohiro, Chiba, Daichi, Shimamura, Kazutoshi, Tanigawa, Hironobu, Fukami, Shunsuke, Suzuki, Tetsuhiro, Ohshima, Norikazu, Ishiwata, Nobuyuki, Nakatani, Yoshinobu, Ono, Teruo
Applied Physics Express Vol. 4 No. 6 2011 Research paper (scientific journal)
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Wire Width Dependence of Threshold Current Density for Domain Wall Motion in Co/Ni Nanowires
Koyama, Tomohiro, Chiba, Daichi, Ueda, Kohei, Tanigawa, Hironobu, Fukami, Shunsuke, Suzuki, Tetsuhiro, Ohshima, Norikazu, Ishiwata, Nobuyuki, Nakatani, Yoshinobu, Ono, Teruo
Ieee Transactions on Magnetics Vol. 47 No. 10 p. 3089-3091 2011 Research paper (scientific journal)
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Control of Multiple Magnetic Domain Walls by Current in a Co/Ni Nano-Wire
Chiba, Daichi, Yamada, Gen, Koyama, Tomohiro, Ueda, Kohei, Tanigawa, Hironobu, Fukami, Shunsuke, Suzuki, Tetsuhiro, Ohshima, Norikazu, Ishiwata, Nobuyuki, Nakatani, Yoshinobu, Ono, Teruo
Applied Physics Express Vol. 3 No. 7 2010 Research paper (scientific journal)