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题名: A study of Mn-Se and Mn-O-Se cluster ions using mass-spectrometry
作者: Chen, YQ;  Xing, XP;  Liu, P;  Zeng, R;  Gao, Z;  Zhu, QH
关键词: atomic clusters ;  laser ablation ;  tandem time-of-flight mass spectrometer ;  ultraviolet photolysis
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2000-05-01
卷: 21, 期:5, 页:743-746
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Time-of-flight mass spectrometry was used to study Mn-Se and Mn-O-Se cluster ions produced by laser direct vaporization of solid samples, In Mn-Se binary cluster ions, (MnSe)(n)(+) is the main composition of positive cluster ions, while [(MnSe)(n)Se](-) is the main composition of negative cluster ions. When a mass-selected (MnSe)(n)(+) was photolyzed, the photolysis produt ions have the same general composition (MnSe)(m)(+). In Mn-O-Se ternary system, the main positive cluster ions produced are Mn-O binary clusters, in which [(MnO)(n)](+) has a high intensity, while the negative cluster ions include Se-n(-), [SenO](-), [SenO(3)](-) and [MnSen](-). It seems that the cluster ions were produced by the vaporization of solid sample and this conforms to a gas-phase aggregation mechanism.
关键词[WOS]: STABILITY
语种: 英语
WOS记录号: WOS:000087161200023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138666
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.Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China

Recommended Citation:
Chen, YQ,Xing, XP,Liu, P,et al. A study of Mn-Se and Mn-O-Se cluster ions using mass-spectrometry[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2000,21(5):743-746.
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