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题名: The binary anion clusters of Ge/Sn, Ge/Pb, Sn/Pb, Co/Ge, Co/Sn and Co/Pb
作者: Zhang, X;  Tang, ZC;  Gao, Z
关键词: laser ablation ;  binary alloy cluster ;  group-14 elements ;  cage structure
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 2003
DOI: 10.3866/PKU.WHXB20030102
卷: 19, 期:1, 页:4-8
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The binary cluster anions of Ge/Sn, Ge/Pb, Sn/Pb, Co/Ge, Co/Sn and Co/Pb binary cluster ions, produced by direct laser ablation, were studied with a Tandem TOF mass spectrometer. The experiments show that E-1/E-2. (E-1/E-2 denotes Ge/Sn, Ge/Pb and Sn/Pb) binary clusters dominantly distribute in the lower mass region, in which the number of heavy atom is much larger than that of light atom. And composition and distribution of these binary clusters indicate that their structures and properties are similar to those pure group-14 elements cluster. By laser ablating the mixtures of transition metal cobalt and group-14 elements, mass spectra showed that abundance Co/E(E denotes Ge, Sn and Pb) cluster formed in higher mass range. Magic number CoGel(10)(-), CoSn10- and CoPb10- may have bi-capped tetragonal antiprism structure and CoPb12- is icosahedral structure. The difference between E-1/E-2 and Co/E binary cluster anions shows that all atoms for E-1/E-2 binary cluster anions are on the framework of the cage, while the cobalt atom for Co/E binary cluster is inside the cage of E.
关键词[WOS]: GERMANIUM CLUSTERS ;  CRYSTAL-STRUCTURE ;  GE ;  SN ;  PHOTODISSOCIATION ;  B3LYP-DFT ;  IONS ;  TIN ;  PB ;  SI
语种: 英语
WOS记录号: WOS:000180539200002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138403
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, Ctr Mol Sci, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China

Recommended Citation:
Zhang, X,Tang, ZC,Gao, Z. The binary anion clusters of Ge/Sn, Ge/Pb, Sn/Pb, Co/Ge, Co/Sn and Co/Pb[J]. ACTA PHYSICO-CHIMICA SINICA,2003,19(1):4-8.
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