Direct observation of the mass renormalization in SrVO3 by angle resolved photoemission spectroscopy

被引：88

作者：

Yoshida, T ^{[1
]}

Tanaka, K

Yagi, H

Ino, A

Eisaki, H

Fujimori, A

Shen, ZX

机构：

[1] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan

[2] Univ Tokyo, Dept Phys, Kashiwa, Chiba 2778561, Japan

[3] Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima 7398526, Japan

[4] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[5] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[6] Stanford Univ, Stanford Synchrotron Radiat Lab, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.95.146404

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Band dispersions and Fermi surfaces of the three-dimensional Mott-Hubbard system SrVO3 are directly observed by angle-resolved photoemission spectroscopy. An observed spectral weight distribution near the Fermi level (E-F) shows cylindrical Fermi surfaces as predicted by band-structure calculations. By comparing the experimental results with calculated surface electronic structures, we conclude that the obtained band dispersion reflects the bulk electronic structure. The enhanced effective electron mass obtained from the energy band near E-F is consistent with the bulk thermodynamic properties and hence with the normal Fermi-liquid behavior of SrVO3.

引用

页数：4

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