First-principles study of GaSb(001) surface reconstructions

被引:0
|
作者
Righi, MC [1 ]
Magri, R [1 ]
Bertoni, CM [1 ]
机构
[1] Univ Modena & Reggio Emilia, INFM, Natl Res Ctr NanoStruct & BioSyst Surfaces, Dipartimento Fis, I-41100 Modena, Italy
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中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Different models for the GaSb-(001) surface reconstruction have been proposed on the basis of experimental observations in typical GaSb growth conditions (V/III flux ratio > 1). We have analyzed their relative stability by means of first-principles pseudopotential plane-wave calculations. We constructed the surface phase diagram as a function of the chemical potential of the elemental constituents to mimic different growth conditions.
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页码:375 / 376
页数:2
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