Fermi surface of Bi(111) measured by photoemission spectroscopy -: art. no. 177602

被引：190

作者：

Ast, CR ^{[1
]}

Höchst, H ^{[1
]}

机构：

[1] Univ Wisconsin, Ctr Synchrotron Radiat, Stoughton, WI 53589 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.87.177602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Synchrotron radiation angle-resolved photoemission spectroscopy of Bi(111) shows that the Fermi surface consists of six elongated hole pockets along the ($) over bar directions surrounding a ring-shaped electron pocket centered at <(<Gamma>)over bar>, all of which have two-dimensional character. The associated hole and electron sheet densities are p(s) = 1.1 x 10(13) cm(-2) and n(s) 5.5 x 10(12) cm(-2), respectively. A weak emission feature associated with the bulk hole pocket in the Fermi surface was identified. The Fermi momentum of the bulk hole band near the T point is k, = 0.013 +/- 0.003 Angstrom (-1).

引用

页码：177602 / 177602

页数：4

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