High-resolution photoemission study of the (M)over-bar-surface states on Cu(111)

被引:9
作者
Matzdorf, R [1 ]
Goldmann, A [1 ]
机构
[1] UNIV GESAMTHSCH KASSEL,FACHBEREICH PHYS,D-34132 KASSEL,GERMANY
关键词
angle resolved photoemission; Copper; low index single crystal surfaces; photoelectron emission; surface electronic phenomena;
D O I
10.1016/0039-6028(96)00342-1
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We report new photoemission results on the well-known d-like ''Tamm'' surface states at the (M) over bar-points in the surface Brillouin zone of Cu(111). For the first time these states can be resolved at all six M-points. The initial state energy at M is measured at E(i)=(-1.932+/-0.005) eV with respect to E(F). The surface bands disperse towards the upper d-band edge with an effective mass m*/m(0)=-2.86+/-0.20 with reference to the free-electron mass m(0).
引用
收藏
页码:77 / 81
页数:5
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