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Indexed by:期刊论文

Date of Publication:2018-01-01

Journal:电子显微学报

Included Journals:CSCD

Volume:37

Issue:2

Page Number:116-120

ISSN No.:1000-6281

Key Words:二氧化钒相态;原位;辐照;选区电子衍射;相变

Abstract:本文利用透射电镜(TEM)原位研究了VO2(B)纳米带由B向R物相转变的过程.TEM像和选区电子衍射图(SAED)表明VO2(B)纳米带结晶良好、无缺陷,为单斜相.对VO2(B)纳米带选定区域进行电子束辐照,发现VO2(B)转变为四方相VO2(R).对VO2(B)和VO2(R)的界面分析表明VO2(B)的晶带轴为[112]B,VO2(R)的晶带轴为[001]R;VO2(B)与VO2(R)两相取向关系为:[001]R//[112]B;(120)R//(110)B.