Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy
Seiji Sakai
1, 2, 3, 4, 5, 6
,
Sergei V Erohin
7, 8
,
Zakhar Popov
7
,
Zakhar I. Popov
8
,
Satoshi Haku
1, 4, 9, 10
,
Takahiro Watanabe
1, 3, 4, 6
,
Yoichi Yamada
1, 3
,
Shiro Entani
1, 7
,
Songtian Li
1
,
Pavel V. Avramov
11
,
Hiroshi Naramoto
1, 4
,
Katsuyuki ANDO
9, 12
,
Kazuya Ando
10, 13
,
Pavel B. Sorokin
1, 7
,
Yasushi Yamauchi
1, 2, 4, 5
Publication type: Journal Article
Publication date: 2018-04-04
scimago Q1
wos Q1
SJR: 5.439
CiteScore: 27.7
Impact factor: 19.0
ISSN: 1616301X, 16163028
Electronic, Optical and Magnetic Materials
Electrochemistry
Condensed Matter Physics
Biomaterials
Abstract
The effects of the proximity contact with magnetic insulator on the spin‐dependent electronic structure of graphene are explored for the heterostructure of single‐layer graphene (SLG) and yttrium iron garnet Y3Fe5O12 (YIG) by means of outermost surface spin spectroscopy using a spin‐polarized metastable He atom beam. In the SLG/YIG heterostructure, the Dirac cone electrons of graphene are found to be negatively spin polarized in parallel to the minority spins of YIG with a large polarization degree, without giving rise to significant changes in the π band structure. Theoretical calculations reveal the electrostatic interfacial interactions providing a strong physical adhesion and the indirect exchange interaction causing the spin polarization of SLG at the interface with YIG. The Hall device of the SLG/YIG heterostructure exhibits a nonlinear Hall resistance attributable to the anomalous Hall effect, implying the extrinsic spin–orbit interactions as another manifestation of the proximity effect.
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15
Total citations:
15
Citations from 2024:
3
(20%)
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GOST
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Sakai S. et al. Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy // Advanced Functional Materials. 2018. Vol. 28. No. 20. p. 1800462.
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Sakai S., Erohin S. V., Popov Z., Popov Z. I., Haku S., Watanabe T., Yamada Y., Entani S., Li S., Avramov P. V., Naramoto H., ANDO K., Ando K., Sorokin P. B., Yamauchi Y. Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy // Advanced Functional Materials. 2018. Vol. 28. No. 20. p. 1800462.
Cite this
RIS
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TY - JOUR
DO - 10.1002/adfm.201800462
UR - https://onlinelibrary.wiley.com/doi/10.1002/adfm.201800462
TI - Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy
T2 - Advanced Functional Materials
AU - Sakai, Seiji
AU - Erohin, Sergei V
AU - Popov, Zakhar
AU - Popov, Zakhar I.
AU - Haku, Satoshi
AU - Watanabe, Takahiro
AU - Yamada, Yoichi
AU - Entani, Shiro
AU - Li, Songtian
AU - Avramov, Pavel V.
AU - Naramoto, Hiroshi
AU - ANDO, Katsuyuki
AU - Ando, Kazuya
AU - Sorokin, Pavel B.
AU - Yamauchi, Yasushi
PY - 2018
DA - 2018/04/04
PB - Wiley
SP - 1800462
IS - 20
VL - 28
SN - 1616-301X
SN - 1616-3028
ER -
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BibTex (up to 50 authors)
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@article{2018_Sakai,
author = {Seiji Sakai and Sergei V Erohin and Zakhar Popov and Zakhar I. Popov and Satoshi Haku and Takahiro Watanabe and Yoichi Yamada and Shiro Entani and Songtian Li and Pavel V. Avramov and Hiroshi Naramoto and Katsuyuki ANDO and Kazuya Ando and Pavel B. Sorokin and Yasushi Yamauchi},
title = {Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy},
journal = {Advanced Functional Materials},
year = {2018},
volume = {28},
publisher = {Wiley},
month = {apr},
url = {https://onlinelibrary.wiley.com/doi/10.1002/adfm.201800462},
number = {20},
pages = {1800462},
doi = {10.1002/adfm.201800462}
}
Cite this
MLA
Copy
Sakai, Seiji, et al. “Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy.” Advanced Functional Materials, vol. 28, no. 20, Apr. 2018, p. 1800462. https://onlinelibrary.wiley.com/doi/10.1002/adfm.201800462.