Interfacial analysis of high-energy X-ray photoelectron spectroscopy of Pt/YIG thin film showing spin Seebeck effect

Kobata, Masaaki ; Yoshii, Kenji ; Fukuda, Tatsuo ; Kawasaki, Ikuto ; Okane, Tetsuo ; Harii, Kazuya; Ieda, Junichi ; Hioki, Tomosato*; Saito, Eiji

We have performed high-energy X-ray photoemission spectroscopic measurements of Pt/Y $_{3}$ Fe $_{5}$ O $_{12}$ (YIG) thin film showing spin Seebeck effect. This system shows intriguing properties such as anomalous Hall effect. To reveal the origin of this behavior, photoelectron spectra were taken using synchrotron radiation at the BL22XU beamline of SPring-8. It was found that the Fe 1s photoelectron peak was split into two peaks; the one arises from YIG, while the other from intermetallic compound between Fe and Pt. This result is consistent with the proposed mechanism of anomalous Hall effect. The other results will be presented at the conference.

Language	:	Japanese
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Meeting title	:	第32回日本放射光学会年会・放射光科学合同シンポジウム
Held date	:	2019/01
Location (city)	:	福岡
Location (country)	:	日本
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Keywords	:	スピンゼーベック効果; 高エネルギー光電子分光
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : BB20181416
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