Physics of the Be(10(1)over-bar0) surface core level spectrum

被引:36
|
作者
Lizzit, S
Pohl, K
Baraldi, A
Comelli, G
Fritzsche, V
Plummer, EW
Stumpf, R
Hofmann, P [1 ]
机构
[1] Univ Aarhus, Inst Storage Ring Facil, Aarhus, Denmark
[2] Max Planck Gesell, Fritz Haber Inst, D-1000 Berlin, Germany
[3] Univ Tennessee, Dept Phys & Astron, Oak Ridge, TN 37831 USA
[4] Sincrotrone Trieste, I-34012 Trieste, Italy
[5] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[6] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[7] Univ Trieste, Sincrotrone Trieste, INFM, Lab TASC, Trieste, Italy
[8] Sandia Natl Labs, Albuquerque, NM 87185 USA
关键词
D O I
10.1103/PhysRevLett.81.3271
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Photoelectron diffraction has been utilized to confirm the theoretical prediction that the surface core level shifts observed for Be(<10(1)over bar 0>) have been improperly assigned. The original assignment based upon the relative intensity of the shifted components was intuitively obvious: the peak with the largest shift of -0.7 eV with respect to the bulk was associated with the surface plane, the next peak shifted by -0.5 eV stems from the second layer, and the third peak at -0.22 eV from the third and fourth layers. First-principles theory and our experimental data show that the largest shift is associated with the second plane, not the first plane. [S0031-9007(98)07350-5].
引用
收藏
页码:3271 / 3274
页数:4
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