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题名: Mass spectrometric study of Ag's clustering ability with O, S and Se
作者: Xing, XP;  Zhang, X;  Zhao, X;  Gao, Z
关键词: laser ablation ;  time-of-flight mass spectrometer ;  Ag/O(S, Se) atom clusters ;  clustering ability
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2001-04-01
卷: 46, 期:7, 页:543-549
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: Samples Ag/O/S, Ag/O/Se and Ag/S/Se were ablated directly by laser to produce clusters. The detection was performed with a time-of-flight mass spectrometer (TOF MS). The cluster ions produced had the following distribution: Ag/S binary cluster ions for sample Ag/O/S, Ag/Se binary cluster ions for sample Ag/O/Se, and Ag/Se binary cluster ions and Ag/S/Se ternary cluster ions as the main products for sample Ag/S/Se. Laser double ablation reactor was used to study the reaction between Ag/S(Se, O) binary clusters and Se(S) homoclusters. The experiments show that Se clusters can replate S and O in Ag/S and Ag/O clusters while S clusters can replace O in Ag/O clusters. This fact Indicates the sequence of the clustering ability of Ag presented as follows: Ag/Se > AK/S > Ag/O, which was also proved by theoretical calculation. The reason of thsi tendency was considered to be the different abilities of the elements' polarization, which acts on the stability of clusters.
关键词[WOS]: ELECTRONIC-STRUCTURE ;  SULFUR ;  IONS ;  PHOTODISSOCIATION ;  GEOMETRY ;  SILVER
语种: 英语
WOS记录号: WOS:000168549700003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138867
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Acad Sinica, Inst Chem, Ctr Mol Sci, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China

Recommended Citation:
Xing, XP,Zhang, X,Zhao, X,et al. Mass spectrometric study of Ag's clustering ability with O, S and Se[J]. CHINESE SCIENCE BULLETIN,2001,46(7):543-549.
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