RHEED STUDY OF THE KINETICS OF THE (2X1)-TO-(7X7) TRANSFORMATION IN CLEAVED SI(111)

被引:14
作者
GARNI, B
SAVAGE, DE
LAGALLY, MG
机构
基金
美国国家科学基金会;
关键词
D O I
10.1016/0039-6028(90)90781-3
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
The transformation of the (2 × 1) structure of cleaved Si(111) to the (7 × 7) structure with thermal annealing has been investigated with reflection high-energy electron diffraction (RHEED). An intermediate (5 × 5) phase is observed, making the reaction sequence (2 × 1) → (5 × 5) → (7 × 7). Initial results of the transformation kinetics show that the decay of the total area of the (2 × 1) phase follows a power law with an exponent x ≈ -1 2. © 1990.
引用
收藏
页码:L324 / L328
页数:5
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