Electronic structure of copper studied by electron momentum spectroscopy

被引：8
|
作者：
Vos, M [1 ]
Kheifets, AS
Bowles, C
Chen, C
Weigold, E
Aryasetiawan, F
机构：
[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Atom & Mol Phys Labs, Canberra, ACT 0200, Australia
[2] AIST, Res Inst Computat Sci, Tsukuba, Ibaraki 3058568, Japan
来源：
PHYSICAL REVIEW B | 2004年 / 70卷 / 20期
基金：
澳大利亚研究理事会;
关键词：
D O I：
10.1103/PhysRevB.70.205111
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present electron momentum spectroscopy measurements of the electronic structure of copper single crystals. Generally, good agreement was found with the band dispersion as measured by photoemission. The energy-resolved momentum densities are quite anisotropic. Observed diffraction effects can be disentangled in first order, and the experiment compares well to calculated momentum density. Deviations of the Fermi surface from spherical symmetry are resolved by this scattering experiment. Many-body effects cause lifetime broadening of the quasiparticle peak and a smooth tail extending to higher binding energies, but no clear satellite structures were found.
引用
收藏
页码：205111 / 1
页数：11
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