Photoemission study of pyrochlore superconductor Cd2Re2O7 -: art. no. 012516

被引：16

作者：

Eguchi, R ^{[1
]}

Yokoya, T

Baba, T

Hanawa, M

Hiroi, Z

Kamakura, N

Takata, Y

Harima, H

Shin, S

机构：

[1] Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan

[2] RIKEN SPring 8, Kobe, Hyogo 6795143, Japan

[3] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan

来源：

PHYSICAL REVIEW B | 2002年 / 66卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.66.012516

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report photoemission study of the pyrochlore superconductor Cd2Re2O7. The valence-band spectra show the Re 5d dominant band close to the Fermi level (E-F), consistent with the recent band calculations. Temperature-dependent study of the Re 5d band reveals a gradual change in spectral shape, as is seen from a gradual modification of difference spectra below 200 K. These results are related to another transition at 200 K reported from resistivity and susceptibility measurements and indicate that the transition involves a change in electronic structures of the Re 5d band near E-F.

引用

页码：125161 / 125164

页数：4

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