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Journal Articles

Interaction between surface acoustic waves and spin waves in a ferromagnetic thin film

Yamamoto, Kei; Xu, M.*; Puebla, J.*; Otani, Yoshichika*; Maekawa, Sadamichi*

Journal of Magnetism and Magnetic Materials, 545, p.168672_1 - 168672_10, 2022/03

Journal Articles

Half-integer Shapiro-steps in superconducting qubit with a $$pi$$-Josephson junction

Mori, Michiyasu; Maekawa, Sadamichi

Applied Physics Express, 14(10), p.103001_1 - 103001_4, 2021/10

 Times Cited Count:0 Percentile:0(Physics, Applied)

Journal Articles

Half-integer Shapiro steps in strong ferromagnetic Josephson junctions

Yao, Y.*; Cai, R.*; Yang, S.-H.*; Xing, W.*; Ma, Y.*; Mori, Michiyasu; Ji, Y.*; Maekawa, Sadamichi; Xie, X.-C.*; Han, W.*

Physical Review B, 104(10), p.104414_1 - 104414_6, 2021/09

 Times Cited Count:0 Percentile:0(Materials Science, Multidisciplinary)

Journal Articles

Barnett field, rotational Doppler effect, and Berry phase studied by nuclear quadrupole resonance with rotation

Chudo, Hiroyuki; Matsuo, Mamoru*; Maekawa, Sadamichi*; Saito, Eiji

Physical Review B, 103(17), p.174308_1 - 174308_10, 2021/05

 Times Cited Count:0 Percentile:0(Materials Science, Multidisciplinary)

Journal Articles

Spin-orbit-induced Ising ferromagnetism at a van der Waals interface

Matsuoka, Hideki*; Barnes, S. E.*; Ieda, Junichi; Maekawa, Sadamichi; Bahramy, M. S.*; Saika, B. K.*; Takeda, Yukiharu; Wadachi, Hiroki*; Wang, Y.*; Yoshida, Satoshi*; et al.

Nano Letters, 21(4), p.1807 - 1814, 2021/02

 Times Cited Count:1 Percentile:72.02(Chemistry, Multidisciplinary)

Journal Articles

Non-reciprocal pumping of surface acoustic waves by spin wave resonance

Yamamoto, Kei; Yu, W.*; Yu, T.*; Puebla, J.*; Xu, M.*; Maekawa, Sadamichi*; Bauer, G.*

Journal of the Physical Society of Japan, 89(11), p.113702_1 - 113702_5, 2020/11

 Times Cited Count:1 Percentile:32.18(Physics, Multidisciplinary)

Journal Articles

Nonreciprocal surface acoustic wave propagation via magneto-rotation coupling

Xu, M.*; Yamamoto, Kei; Puebla, J.*; Baumgaertl, K.*; Rana, B.*; Miura, Katsuya*; Takahashi, Hiromasa*; Grundler, D.*; Maekawa, Sadamichi*; Otani, Yoshichika*

Science Advances (Internet), 6(32), p.eabb1724_1 - eabb1724_4, 2020/08

 Times Cited Count:16 Percentile:95.91(Multidisciplinary Sciences)

Journal Articles

Enhancement of domain-wall mobility detected by NMR at the angular momentum compensation temperature

Imai, Masaki; Chudo, Hiroyuki; Matsuo, Mamoru; Maekawa, Sadamichi; Saito, Eiji

Physical Review B, 102(1), p.014407_1 - 014407_5, 2020/07

 Times Cited Count:4 Percentile:68.88(Materials Science, Multidisciplinary)

Journal Articles

Acoustic ferromagnetic resonance and spin pumping induced by surface acoustic waves

Puebla, J.*; Xu, M.*; Rana, B.*; Yamamoto, Kei; Maekawa, Sadamichi*; Otani, Yoshichika*

Journal of Physics D; Applied Physics, 53(26), p.264002_1 - 264002_7, 2020/06

 Times Cited Count:12 Percentile:93.25(Physics, Applied)

Journal Articles

Giant spin hydrodynamic generation in laminar flow

Takahashi, Ryo*; Chudo, Hiroyuki; Matsuo, Mamoru; Harii, Kazuya*; Onuma, Yuichi*; Maekawa, Sadamichi; Saito, Eiji

Nature Communications (Internet), 11, p.3009_1 - 3009_6, 2020/06

 Times Cited Count:4 Percentile:63.95(Multidisciplinary Sciences)

Journal Articles

Spin Seebeck mechanical force

Harii, Kazuya; Seo, Y.-J.*; Tsutsumi, Yasumasa*; Chudo, Hiroyuki; Oyanagi, Koichi*; Matsuo, Mamoru; Shiomi, Yuki*; Ono, Takahito*; Maekawa, Sadamichi; Saito, Eiji

Nature Communications (Internet), 10(1), p.2616_1 - 2616_5, 2019/06

 Times Cited Count:14 Percentile:83.38(Multidisciplinary Sciences)

Journal Articles

Angular momentum compensation manipulation to room temperature of the ferrimagnet Ho$$_{3-x}$$Dy$$_{x}$$Fe$$_5$$O$$_{12}$$ detected by the Barnett effect

Imai, Masaki; Chudo, Hiroyuki; Ono, Masao; Harii, Kazuya; Matsuo, Mamoru; Onuma, Yuichi*; Maekawa, Sadamichi; Saito, Eiji

Applied Physics Letters, 114(16), p.162402_1 - 162402_4, 2019/04

 Times Cited Count:11 Percentile:77.53(Physics, Applied)

Journal Articles

Observation of gyromagnetic reversal

Imai, Masaki; Ogata, Yudai*; Chudo, Hiroyuki; Ono, Masao; Harii, Kazuya; Matsuo, Mamoru*; Onuma, Yuichi*; Maekawa, Sadamichi; Saito, Eiji

Applied Physics Letters, 113(5), p.052402_1 - 052402_3, 2018/07

 Times Cited Count:12 Percentile:69.15(Physics, Applied)

Journal Articles

Dirac surface state-modulated spin dynamics in a ferrimagnetic insulator at room temperature

Tang, C.*; Song, Q.*; Chang, C.-Z.*; Xu, Y.*; Onuma, Yuichi; Matsuo, Mamoru*; Liu, Y.*; Yuan, W.*; Yao, Y.*; Moodera, J. S.*; et al.

Science Advances (Internet), 4(6), p.eaas8660_1 - eaas8660_6, 2018/06

 Times Cited Count:22 Percentile:87.84(Multidisciplinary Sciences)

Journal Articles

Magnetic anisotropy by Rashba spin-orbit coupling in antiferromagnetic thin films

Ieda, Junichi; Barnes, S. E.*; Maekawa, Sadamichi

Journal of the Physical Society of Japan, 87(5), p.053703_1 - 053703_4, 2018/05

 Times Cited Count:3 Percentile:40.04(Physics, Multidisciplinary)

Journal Articles

Magnetic phase diagram of a frustrated spin ladder

Sugimoto, Takanori*; Mori, Michiyasu; Toyama, Takami; Maekawa, Sadamichi

Physical Review B, 97(14), p.144424_1 - 144424_10, 2018/04

AA2018-0074.pdf:1.54MB

 Times Cited Count:2 Percentile:16.65(Materials Science, Multidisciplinary)

Journal Articles

Spin current noise of the spin Seebeck effect and spin pumping

Matsuo, Mamoru*; Onuma, Yuichi; Kato, Takeo*; Maekawa, Sadamichi

Physical Review Letters, 120(3), p.037201_1 - 037201_5, 2018/01

 Times Cited Count:22 Percentile:87.84(Physics, Multidisciplinary)

We theoretically investigate the fluctuation of a pure spin current induced by the spin Seebeck effect and spin pumping in a normal metal (NM)/ferromagnet (FM) bilayer system. Starting with a simple FI-NM interface model with both spin-conserving and spin-non-conserving processes, we derive general expressions of the spin current and the spin-current noise at the interface within second-order perturbation of the FI-NM coupling strength, and estimate them for an yttrium iron garnet (YIG) - platinum interface. We show that the spin-current noise can be used to determine the effective spin carried by a magnon modified by the spin-non-conserving process at the interface. In addition, we show that it provides information on the effective spin of a magnon, heating at the interface under spin pumping, and spin Hall angle of the NM.

Journal Articles

Enhanced magneto-optical Kerr effect at Fe/insulator interfaces

Gu, B.; Takahashi, Saburo*; Maekawa, Sadamichi

Physical Review B, 96(21), p.214423_1 - 214423_6, 2017/12

 Times Cited Count:6 Percentile:41.1(Materials Science, Multidisciplinary)

Journal Articles

Enhanced orbital magnetic moment in FeCo nanogranules observed by Barnett effect

Ogata, Yudai; Chudo, Hiroyuki; Gu, B.; Kobayashi, Nobukiyo*; Ono, Masao; Harii, Kazuya; Matsuo, Mamoru; Saito, Eiji; Maekawa, Sadamichi

Journal of Magnetism and Magnetic Materials, 442, p.329 - 331, 2017/11

 Times Cited Count:5 Percentile:57.14(Materials Science, Multidisciplinary)

Journal Articles

Spinmotive force

Ieda, Junichi; Maekawa, Sadamichi

Spin Current (2nd Edition), p.69 - 92, 2017/11

 Times Cited Count:0 Percentile:0

This chapter reviews spinmotive force (SMF), which is an emerging concept that is responsible for generating spin current and electric voltage in magnetic conductors. The SMF is induced in magnetic nanostructures via the exchange interaction between conduction spin and magnetization. Various types of the spin electric fields are found: adiabatic, nonadiabatic, and their spin-orbit coupled equivalents. In experiment, the adiabatic contributions with/without spin-orbit coupling have been observed whereas detecting nonadiabatic effects is challenging. The SMF offers electrical detection of magnetization dynamics, which would allow us to monitor the elusive dynamics of antiferromagnets.

456 (Records 1-20 displayed on this page)