Inelastic neutron scattering study of -FeSe

Shamoto, Shinichi ; Mori, Michiyasu ; Kajimoto, Ryoichi ; Kodama, Katsuaki ; Ishikado, Motoyuki*; Watashige, Tatsuya*; Kasahara, Shigeru*; Nakamura, Mitsutaka ; Shibauchi, Takasada*; Matsuda, Yuji*

Iron-based superconductor -FeSe has not been studied in the high energy region by inelastic neutron scattering measurement. We have studied it with the single crystals grown by chemical vapor transport method. As a result, spin-wave like dispersion, which can be fitted by two types of anisotropic exchange interactions, is observed up to 200 meV.

Language	:	Japanese
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Meeting title	:	日本物理学会2015年秋季大会(物性)
Held date	:	2015/09
Location (city)	:	吹田
Location (country)	:	日本
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Keywords	:	鉄系超伝導体; 中性子散乱
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : BB20151307
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