ELECTRONIC-STRUCTURE AND ITS DEPENDENCE ON LOCAL ORDER FOR H/SI(111)-(1X1) SURFACES

被引:149
|
作者
HRICOVINI, K
GUNTHER, R
THIRY, P
TALEBIBRAHIMI, A
INDLEKOFER, G
BONNET, JE
DUMAS, P
PETROFF, Y
BLASE, X
ZHU, XJ
LOUIE, SG
CHABAL, YJ
THIRY, PA
机构
[1] CNRS,SPECTROSCOPIE INFRAROUGE & RAMAN LAB,F-94320 THIAIS,FRANCE
[2] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720
[3] LAWRENCE BERKELEY LAB,DIV MAT SCI,BERKELEY,CA 94720
[4] AT&T BELL LABS,MURRAY HILL,NJ 07974
[5] FAC UNIV NOTRE DAME PAIX,INTERDISCIPLINAIRE SPECT ELECTR LAB,B-5000 NAMUR,BELGIUM
关键词
D O I
10.1103/PhysRevLett.70.1992
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The valence and core level spectra of chemically prepared, ideally H-terminated Si(111) surfaces are characterized by remarkably sharp features. The valence band levels and their dispersion are well described by first-principles calculations using a quasiparticle self-energy approach within the GW approximation. From the Si2p spectra, an upper limit of 35 +/- 10 meV is derived for the core hole lifetime broadening, a value substantially lower than previously measured.
引用
收藏
页码:1992 / 1995
页数:4
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