Observation of spin-charge conversion in chemical-vapor-deposition-grown single-layer graphene

Ryo Ohshima; Atsushi Sakai; Yuichiro Ando; Teruya Shinjo; Kenji Kawahara; Hiroki Ago; Masashi Shiraishi

doi:10.1063/1.4893574

Observation of spin-charge conversion in chemical-vapor-deposition-grown single-layer graphene

Ryo Ohshima, Atsushi Sakai, Yuichiro Ando, Teruya Shinjo, Kenji Kawahara, Hiroki Ago, Masashi Shiraishi

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Conversion of pure spin current to charge current in single-layer graphene (SLG) is investigated by using spin pumping. Large-area SLG grown by chemical vapor deposition is used for the conversion. Efficient spin accumulation in SLG by spin pumping enables observing an electromotive force produced by the inverse spin Hall effect (ISHE) of SLG. The spin Hall angle of SLG is estimated to be 6.1 × 10^-7. The observed ISHE in SLG is ascribed to its non-negligible spin-orbit interaction in SLG.

Original language	English
Article number	162410
Journal	Applied Physics Letters
Volume	105
Issue number	16
DOIs	https://doi.org/10.1063/1.4893574
Publication status	Published - Oct 24 2014

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4893574

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title = "Observation of spin-charge conversion in chemical-vapor-deposition-grown single-layer graphene",

abstract = "Conversion of pure spin current to charge current in single-layer graphene (SLG) is investigated by using spin pumping. Large-area SLG grown by chemical vapor deposition is used for the conversion. Efficient spin accumulation in SLG by spin pumping enables observing an electromotive force produced by the inverse spin Hall effect (ISHE) of SLG. The spin Hall angle of SLG is estimated to be 6.1 × 10-7. The observed ISHE in SLG is ascribed to its non-negligible spin-orbit interaction in SLG.",

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AU - Ohshima, Ryo

AU - Sakai, Atsushi

AU - Ando, Yuichiro

AU - Shinjo, Teruya

AU - Kawahara, Kenji

AU - Ago, Hiroki

AU - Shiraishi, Masashi

PY - 2014/10/24

Y1 - 2014/10/24

N2 - Conversion of pure spin current to charge current in single-layer graphene (SLG) is investigated by using spin pumping. Large-area SLG grown by chemical vapor deposition is used for the conversion. Efficient spin accumulation in SLG by spin pumping enables observing an electromotive force produced by the inverse spin Hall effect (ISHE) of SLG. The spin Hall angle of SLG is estimated to be 6.1 × 10-7. The observed ISHE in SLG is ascribed to its non-negligible spin-orbit interaction in SLG.

AB - Conversion of pure spin current to charge current in single-layer graphene (SLG) is investigated by using spin pumping. Large-area SLG grown by chemical vapor deposition is used for the conversion. Efficient spin accumulation in SLG by spin pumping enables observing an electromotive force produced by the inverse spin Hall effect (ISHE) of SLG. The spin Hall angle of SLG is estimated to be 6.1 × 10-7. The observed ISHE in SLG is ascribed to its non-negligible spin-orbit interaction in SLG.

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Observation of spin-charge conversion in chemical-vapor-deposition-grown single-layer graphene

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