MOBILITIES OF METAL CLUSTER IONS - ALUMINUM AND THE ELECTRONIC SHELL-MODEL

被引:62
作者
JARROLD, MF [1 ]
BOWER, JE [1 ]
机构
[1] AT&T BELL LABS,MURRAY HILL,NJ 07974
关键词
D O I
10.1063/1.464167
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 mobilities of size-selected aluminum cluster ions containing 5-73 atoms have been measured using injected ion drift tube techniques. The mobilities show an apparent correlation with the electronic shell model: Clusters close to the electronic shell closings have enhanced mobilities. A structural transition appears to be associated with the shell closing with 138 valence electrons. Structural isomers were identified for a few clusters at low temperatures. But with only one exception (Al45+) the annealing temperatures of these isomers are below room temperature.
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页码:2399 / 2407
页数:9
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