Scanning tunneling microscopy of the nonequilibrium interaction of impurity states at semiconductor surfaces

被引:0
|
作者
P. I. Arseev
N. S. Maslova
S. I. Oreshkin
V. I. Panov
S. V. Savinov
机构
[1] Moscow State University,
关键词
71.55.Eq; 61.16.Ch; 68.65.+g; 68.35.Bs; 73.20.Dx;
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摘要
Interaction of two localized impurity states of Si atoms at a GaAs surface was studied by scanning tunneling microscopy and spectroscopy. The effects of a twofold “switching” on and off of the states of each of the interacting atoms, the tunneling-interaction-induced mutual level pulling of these states, and the level stabilization near EF were observed. These effects are explained in terms of the extended Anderson model.
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页码:565 / 568
页数:3
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