Atomic processes of grain-boundary migration and phase transformation in zinc oxide nanocrystallites

被引:14
作者
Kizuka, T
机构
[1] Nagoya Univ, Sch Engn, Dept Appl Phys, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Res Ctr Adv Waste & Emiss Management, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[3] Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648603, Japan
关键词
D O I
10.1080/095008399177039
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Grain-boundary and interface migration during phase transformation in zinc oxide nanometre-gained polycrystals have been observed by dynamic high-resolution transmission electron microscopy. The migration of a [2 (1) over bar.0] tilt grain boundary was found to proceed by the shift of ledges corresponding to the structural units of the boundary. The phase transformed from a wurtzite to a zincblende structure after the migration of the interface. The interface migration also proceeded by the shift of ledges on it. The product of the lattice misfits at the grain boundary and interface along two directions was reduced from 5.2 to 1.0% after the grain-boundary migration and phase transformation.
引用
收藏
页码:417 / 422
页数:6
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