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Surface structure of Au/InSb(001) system investigated with scanning force microscopy

被引：12
作者：
Goryl, M
Krok, F
Kolodiej, JJ
Platkowski, P
Such, B
Szymonski, M
机构：
[1] Jagiellonian Univ, Marian Smoluchavski Inst Phys, PL-30059 Krakow, Poland
[2] Jagiellonian Univ, Reg Lab Physicochem Anal & Struct Res, PL-30060 Krakow, Poland
来源：
VACUUM | 2004年 / 74卷 / 02期
关键词：
DFM; KPFM; contact potential difference (CPD); InSb; Au; growth;
D O I：
10.1016/j.vacuum.2003.12.128
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dynamic force microscopy and Kelvin probe force microscopy (KPFM) have been used to study 0.2 ML Au deposited on clean c(8 x 2) InSb(001) surface. Rectangular islands of typical size of 9 nm across have been observed. Upon annealing at 650 K these islands preserve their initial shape. KPFM has shown that the islands are made of material chemically different from that of the surrounding substrate surface. However, the change of LEED pattern to c(4 x 4) strongly suggests conversion of substrate surface between the islands from In-rich to Sb-rich probably due to alloying of surface indium with gold in the islands. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：223 / 227
页数：5
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