REAL-TIME HIGH-RESOLUTION ELECTRON-MICROSCOPY (HREM) OBSERVATION OF THE COALESCENCE OF SMALL GOLD PARTICLES

被引：0

作者：

FLUELI, M ^{[1
]}

BUFFAT, PA ^{[1
]}

BOREL, JP ^{[1
]}

机构：

[1] ECOLE POLYTECH FED LAUSANNE, INST INTERDEPT MICROSCOPIE ELECTR, CH-1015 LAUSANNE, SWITZERLAND

来源：

INSTITUTE OF PHYSICS CONFERENCE SERIES | 1988年 / 93期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Small gold particles (almost-equal-to 5 nm in diameter) lying on amorphous carbon are observed to coalesce under the influence of the high intensity incident electron beam (20 A/cm-2 at 300 kV) in High-Resolution Electron Microscopy conditions. Rapid crystal growth (up to 4 nm3/s) at the neck of sintering occurs by migration of surface atoms. Mouvement and creation of defects such as twins or dislocations are also observed within the newly formed aggregate.

引用

页码：311 / 312

页数：2

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