UNUSUAL MASS RENORMALIZATION IN FESI STUDIED HIGH-RESOLUTION PHOTOEMISSION

被引：49

作者：

SAITOH, T ^{[1
]}

SEKIYAMA, A ^{[1
]}

MIZOKAWA, T ^{[1
]}

FUJIMORI, A ^{[1
]}

ITO, K ^{[1
]}

NAKAMURA, H ^{[1
]}

SHIGA, M ^{[1
]}

机构：

[1] KYOTO UNIV,DEPT MAT SCI & ENGN,KYOTO 60601,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1995年 / 95卷 / 05期

关键词：

SEMICONDUCTORS; ELECTRON-ELECTRON INTERACTIONS; ELECTRONIC BAND STRUCTURE; PHOTOELECTRON SPECTROSCOPIES;

D O I：

10.1016/0038-1098(95)00277-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have studied the electronic structure of FeSi by high-resolution photoemission. At room temperature the spectra show no energy gap while a gap opening was observed below similar to 150 K accompanied by the gradual paramagnetic-to-nonmagnetic transition. From analysis of the spectral lineshape using a model self-energy, we find that considerable band narrowing occurs near the band edge, probably due to electron correlation, giving a qualitative explanation to the unusual electronic and magnetic properties.

引用

页码：307 / 311

页数：5

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