Electronic states of EuCuGe and EuCuSi studied by soft X-ray angle-resolved photoemission spectroscopy

Kawasaki, Ikuto ; Fujimori, Shinichi ; Takeda, Yukiharu ; Yamagami, Hiroshi*; Iha, Wataru*; Hedo, Masato*; Nakama, Takao*; Onuki, Yoshichika*

The Eu valence state of EuCu(Ge $_{1-x}$ Si) evolves with the Si concentration and the magnetic Eu $^{2+}$ (x=0) state changes into the non-magnetic Eu $^{3+}$ (x=1) state. In this presentation, we will present the results of angle-resolved photoemission experiments performed on EuCuGe and EuCuSi and discuss the evolution of its electronic state with the Si concentration.

Language	:	Japanese
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Meeting title	:	日本物理学会第74回年次大会
Held date	:	2019/03
Location (city)	:	福岡
Location (country)	:	日本
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Registration No. : BB20181961
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