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Magneto-optical detection of spin accumulation under the influence of mechanical rotation

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Magneto-optical detection of spin accumulation under the influence of mechanical rotation. / Hirohata, Atsufumi; Baba, Yuji; Murphy, Benedict Andrew; Ng, Benny; Yao, Yunqi; Nagao, Kazuki; Kim, Jun-Young.

In: Scientific Reports, Vol. 8, 31.01.2018, p. 1-8.

Research output: Contribution to journalArticle

Harvard

Hirohata, A, Baba, Y, Murphy, BA, Ng, B, Yao, Y, Nagao, K & Kim, J-Y 2018, 'Magneto-optical detection of spin accumulation under the influence of mechanical rotation', Scientific Reports, vol. 8, pp. 1-8.

APA

Hirohata, A., Baba, Y., Murphy, B. A., Ng, B., Yao, Y., Nagao, K., & Kim, J-Y. (2018). Magneto-optical detection of spin accumulation under the influence of mechanical rotation. Scientific Reports, 8, 1-8.

Vancouver

Hirohata A, Baba Y, Murphy BA, Ng B, Yao Y, Nagao K et al. Magneto-optical detection of spin accumulation under the influence of mechanical rotation. Scientific Reports. 2018 Jan 31;8:1-8.

Author

Hirohata, Atsufumi ; Baba, Yuji ; Murphy, Benedict Andrew ; Ng, Benny ; Yao, Yunqi ; Nagao, Kazuki ; Kim, Jun-Young. / Magneto-optical detection of spin accumulation under the influence of mechanical rotation. In: Scientific Reports. 2018 ; Vol. 8. pp. 1-8.

Bibtex - Download

@article{3d1151ce8d8f429cb104799f39a59254,
title = "Magneto-optical detection of spin accumulation under the influence of mechanical rotation",
abstract = "The generation of spin-polarised carriers in a non-magnetic material holds the key to realise highly efficient spintronic devices. Recently, it has been shown that the large spin-orbit coupling can generate spin-polarised currents in noble metals such as tungsten and platinum. Especially, if small samples of such metals are rotated on a plane disc in the presence of a perpendicular magnetic field, the orbital angular momentum is altered leading to a segregation of spin up and spin down electrons, i.e., a spin current in the samples. This is manifested via an induced magnetic moment on the metal. In this letter, magneto-optical Kerr effect (MOKE) is used to detect induced magnetic moments which allows remote measurements on metal samples rotating at 100 ~ 210 Hz. Our results confirm the mechanical generation of spin-polarised currents via optical detection of spin accumulation.",
author = "Atsufumi Hirohata and Yuji Baba and Murphy, {Benedict Andrew} and Benny Ng and Yunqi Yao and Kazuki Nagao and Jun-Young Kim",
note = "{\circledC} The Authors, 2018.",
year = "2018",
month = "1",
day = "31",
language = "English",
volume = "8",
pages = "1--8",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Springer Nature",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Magneto-optical detection of spin accumulation under the influence of mechanical rotation

AU - Hirohata, Atsufumi

AU - Baba, Yuji

AU - Murphy, Benedict Andrew

AU - Ng, Benny

AU - Yao, Yunqi

AU - Nagao, Kazuki

AU - Kim, Jun-Young

N1 - © The Authors, 2018.

PY - 2018/1/31

Y1 - 2018/1/31

N2 - The generation of spin-polarised carriers in a non-magnetic material holds the key to realise highly efficient spintronic devices. Recently, it has been shown that the large spin-orbit coupling can generate spin-polarised currents in noble metals such as tungsten and platinum. Especially, if small samples of such metals are rotated on a plane disc in the presence of a perpendicular magnetic field, the orbital angular momentum is altered leading to a segregation of spin up and spin down electrons, i.e., a spin current in the samples. This is manifested via an induced magnetic moment on the metal. In this letter, magneto-optical Kerr effect (MOKE) is used to detect induced magnetic moments which allows remote measurements on metal samples rotating at 100 ~ 210 Hz. Our results confirm the mechanical generation of spin-polarised currents via optical detection of spin accumulation.

AB - The generation of spin-polarised carriers in a non-magnetic material holds the key to realise highly efficient spintronic devices. Recently, it has been shown that the large spin-orbit coupling can generate spin-polarised currents in noble metals such as tungsten and platinum. Especially, if small samples of such metals are rotated on a plane disc in the presence of a perpendicular magnetic field, the orbital angular momentum is altered leading to a segregation of spin up and spin down electrons, i.e., a spin current in the samples. This is manifested via an induced magnetic moment on the metal. In this letter, magneto-optical Kerr effect (MOKE) is used to detect induced magnetic moments which allows remote measurements on metal samples rotating at 100 ~ 210 Hz. Our results confirm the mechanical generation of spin-polarised currents via optical detection of spin accumulation.

M3 - Article

VL - 8

SP - 1

EP - 8

JO - Scientific Reports

T2 - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

ER -