PHASE-TRANSITION ON THE SI(111) SURFACE - A 1ST-ORDER PHASE-TRANSITION UNDER STRAIN

被引:10
作者
CHEVRIER, J
VINH, LT
CRUZ, A
机构
[1] UNIV AIX MARSEILLE 3,CTR RECH MECAN CROISSANCE CRISTALLINE,F-13288 MARSEILLE 09,FRANCE
[2] CNRS,F-13288 MARSEILLE 9,FRANCE
关键词
D O I
10.1016/0039-6028(92)90932-V
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Experimental results from reflection high energy electron diffraction on the 7 x 7 <--> 1 x 1 phase transition at the (111) surface of silicon are presented. These results are consistent with a first order phase transition but with an important width in temperature. We develop simple arguments to show that a strain field applied by the volume on the surface can explain this broadening and also the phase coexistence.
引用
收藏
页码:L261 / L266
页数:6
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