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Research Topic Spin-current generation

Research output: Contribution to journal › Special issue › peer-review

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Research Topic Spin-current generation. / Hirohata, Atsufumi.

In: Frontiers in Physics, 14.03.2018.

Research output: Contribution to journal › Special issue › peer-review

Harvard

Hirohata, A 2018, 'Research Topic Spin-current generation', Frontiers in Physics. <https://www.frontiersin.org/research-topics/3213/spin-current-generation>

APA

Hirohata, A. (2018). Research Topic Spin-current generation. Frontiers in Physics. https://www.frontiersin.org/research-topics/3213/spin-current-generation

Vancouver

Hirohata A. Research Topic Spin-current generation. Frontiers in Physics. 2018 Mar 14.

Author

Hirohata, Atsufumi. / Research Topic Spin-current generation. In: Frontiers in Physics. 2018.

Bibtex - Download

@article{424540e5307f465e8abd6a427bb2319e,
title = "Research Topic Spin-current generation",
abstract = "Spin-polarised electrons can be generated in non-magnetic materials using the following methods: spin injection from a ferromagnet, a magnetic field, an electric field, electromagnetic wave introduction, Zeeman splitting, spin motive force, a thermal gradient and mechanical rotation. One of the most common methods is spin injection from a ferromagnetic material, e.g., conventional ferromagnetic metals (Fe, Co, Ni and Gd), half-metallic ferromagnets (HMF) and dilute magnetic semiconductors (DMS), attached to a non-magnetic metal or semiconductor through an ohmic contact or a tunnel barrier. A stray field at the edge of a ferromagnet can also be used to induce a population difference in spin-polarised electrons in a non-magnetic material. Electromagnetic wave, e.g., circularly polarised light excites spin-polarised electrons in a semiconductor, dependent upon an optical selection rule. The reverse effect generates circularly polarised light emission by a spin-polarised electron current. This can be extended further to spin generation by electromagnetic waves, including spin pumping and high-frequency spin induction. In addition a thermal gradient has been found to produce a spin-polarised carrier flow due to a spin Seebeck effect, which is useful for energy harvesting. This cluster also includes recent theoretical proposals on spin-generation by quantum geometrical effects and mechanical rotation.",
author = "Atsufumi Hirohata",
year = "2018",
month = mar,
day = "14",
language = "English",
journal = "Frontiers in Physics",
issn = "2296-424X",
publisher = "Frontiers Media S.A.",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Research Topic Spin-current generation

AU - Hirohata, Atsufumi

PY - 2018/3/14

Y1 - 2018/3/14

N2 - Spin-polarised electrons can be generated in non-magnetic materials using the following methods: spin injection from a ferromagnet, a magnetic field, an electric field, electromagnetic wave introduction, Zeeman splitting, spin motive force, a thermal gradient and mechanical rotation. One of the most common methods is spin injection from a ferromagnetic material, e.g., conventional ferromagnetic metals (Fe, Co, Ni and Gd), half-metallic ferromagnets (HMF) and dilute magnetic semiconductors (DMS), attached to a non-magnetic metal or semiconductor through an ohmic contact or a tunnel barrier. A stray field at the edge of a ferromagnet can also be used to induce a population difference in spin-polarised electrons in a non-magnetic material. Electromagnetic wave, e.g., circularly polarised light excites spin-polarised electrons in a semiconductor, dependent upon an optical selection rule. The reverse effect generates circularly polarised light emission by a spin-polarised electron current. This can be extended further to spin generation by electromagnetic waves, including spin pumping and high-frequency spin induction. In addition a thermal gradient has been found to produce a spin-polarised carrier flow due to a spin Seebeck effect, which is useful for energy harvesting. This cluster also includes recent theoretical proposals on spin-generation by quantum geometrical effects and mechanical rotation.

AB - Spin-polarised electrons can be generated in non-magnetic materials using the following methods: spin injection from a ferromagnet, a magnetic field, an electric field, electromagnetic wave introduction, Zeeman splitting, spin motive force, a thermal gradient and mechanical rotation. One of the most common methods is spin injection from a ferromagnetic material, e.g., conventional ferromagnetic metals (Fe, Co, Ni and Gd), half-metallic ferromagnets (HMF) and dilute magnetic semiconductors (DMS), attached to a non-magnetic metal or semiconductor through an ohmic contact or a tunnel barrier. A stray field at the edge of a ferromagnet can also be used to induce a population difference in spin-polarised electrons in a non-magnetic material. Electromagnetic wave, e.g., circularly polarised light excites spin-polarised electrons in a semiconductor, dependent upon an optical selection rule. The reverse effect generates circularly polarised light emission by a spin-polarised electron current. This can be extended further to spin generation by electromagnetic waves, including spin pumping and high-frequency spin induction. In addition a thermal gradient has been found to produce a spin-polarised carrier flow due to a spin Seebeck effect, which is useful for energy harvesting. This cluster also includes recent theoretical proposals on spin-generation by quantum geometrical effects and mechanical rotation.

M3 - Special issue

JO - Frontiers in Physics

JF - Frontiers in Physics

SN - 2296-424X

ER -

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