OBSERVATION OF A GROWTH INSTABILITY DURING LOW-TEMPERATURE MOLECULAR-BEAM EPITAXY

被引：274
|
作者：
ERNST, HJ
FABRE, F
FOLKERTS, R
LAPUJOULADE, J
机构：
[1] Commissariat à l'Energie Atomique Saclay, DRECAM/SRSIM
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.72.112
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The growth of a Cu(100) crystal has been investigated with helium atom beam scattering in real time and examined in the light of the dynamical scaling hypothesis. The associated exponents have been determined. The analysis of both terrace and step correlations during growth provides a detailed scenario of how a singular surface can transform into an arrangement of vicinal surfaces upon unstable growth, resulting in a pyramidlike surface profile. The sides of these pyramids are composed of the (113) and (115) Cu surface for deposition at 160 and 200 K, respectively.
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页码：112 / 115
页数：4
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