THE HREM ON SMALL PENTA-TWINNED GOLD PARTICLES

被引：0
|
作者：
GAO, PY [1 ]
KUNATH, W [1 ]
GLEITER, H [1 ]
WEISS, K [1 ]
机构：
[1] UNIV SAARLAND, W-6600 SAARBRUCKEN, GERMANY
来源：
INSTITUTE OF PHYSICS CONFERENCE SERIES | 1988年 / 93期
关键词：
D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The structural feathers of penta-twinned gold particles (size between 2 and 6 nm) generated by gas evaporation have been investigated by HRTEM. Penta-twinned particles differ from quasi-crystals in the following way: the five coherent twin boundaries separating the twin oriented segments do not join up along a common edge. The lattice parameter is reduced by 4-5% in comparison to that of bulk gold. The formation of the penta-twinned particles is proposed to occur by particle collision.
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页码：313 / 314
页数：2
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