Reconstruction of the electronic structure in half-metallic CoS2

被引：46

作者：

Yamamoto, R ^{[1
]}

Machida, A

Moritomo, Y

Nakamura, A

机构：

[1] Nagoya Univ, Dept Crystalline Mat Sci, Nagoya, Aichi 4648603, Japan

[2] Nagoya Univ, CIRSE, Nagoya, Aichi 4648603, Japan

来源：

PHYSICAL REVIEW B | 1999年 / 59卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.59.R7793

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Temperature variation of reflectivity spectra (0.6-5.0 eV) has been investigated for ferromagnetic CoS2. We have found significant spectral changes at the ferromagnetic transition (T-C=120 K): (1) oscillator strength of the lower-lying interband transition (similar to 1.6 eV) is suppressed, and (2) the higher-lying transition (similar to 3.4 eV) shifts to the low energy side. We have ascribed the spectral change to the splitting of the e(g) state into the up-(e(g up arrow)) and down-spin (e(g down arrow)) states, or the half-metallic behavior of CoS2. [S0163-1829(99)50212-9].

引用

页码：R7793 / R7796

页数：4

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