Cluster generation by laser ablation

被引:2
|
作者
Saito, N [1 ]
Koyama, K [1 ]
Tanimoto, M [1 ]
机构
[1] Electrotech Lab, Tsukuba, Ibaraki 3058568, Japan
关键词
neutral cluster; ion cluster; niobium; laser ablation; time-of-flight mass spectrometer; plasma;
D O I
10.1016/S0169-4332(00)00688-7
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
We produced niobium clusters over a wide size range(Nb-n: 1 less than or equal to n less than or equal to 1000) by a laser ablation method in a low-pressure condensation source. Mass spectra of the neutral clusters, positive and negative ion clusters were measured by a time-of-flight mass spectrometer with a high mass resolution and a wide mass range. Similarity and difference in their mass spectra were examined to understand the cluster generation process in different charged states. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:380 / 386
页数:7
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