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Formation and photodissociation of Fe,Co,Ni/P binary cluster ions
Han, CY; Xing, XP; Zhang, X; Gao, Z; Zhu, QH
关键词Laser Ablation Fe Laser Photodissociation Co Tof Mass Spectrometry Ni/p Binary Cluster Ions
刊名ACTA PHYSICO-CHIMICA SINICA
2000-09-01
DOI10.3866/PKU.WHXB20000911
16期:9页:818-824
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
关键词[WOS]LASER-ABLATION ; GAS-PHASE
英文摘要The binary cluster ions Composed of Fe/P, Co/P and Ni/P were generated by laser ablation. The composition of these binary cluster ions and the photodissociation of the cluster cations were studied by Tandem TOF MS. The experimental results show that sample with more phosphorus is favourable to the formation of large clusters. For clusters containing a few metal atoms the number of P atoms can vary over a wide range, and clusters, MP2+M2P4+ and MnP8+ (M = Fe,Co,Ni, n =2,3, 4) are more abundant. In the clusters containing more metal atoms, the number of phosphorus atoms does not change greatly, and the atomic ratio of Fe and P tends to 1: 1, the compositional Co/P cluster cations tend to be rich in phosphorus, and contrarily, Ni/P cluster cations contain much more Ni atoms than P atoms. For cluster anions, the composition changes from metal rich to phosphorus rich with the increase of phosphorus in the sample. The photodissociation indicates that for Fe/P cluster cations, P-2 or P-4 was stripped easily, while for Co/P and Ni/P cluster cations, the main channel is P-2 and P-4 stripped, or neutral fragment MnPm(m is even) lost.
语种英语
WOS记录号WOS:000089651200011
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138727
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
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GB/T 7714
Han, CY,Xing, XP,Zhang, X,et al. Formation and photodissociation of Fe,Co,Ni/P binary cluster ions[J]. ACTA PHYSICO-CHIMICA SINICA,2000,16(9):818-824.
APA Han, CY,Xing, XP,Zhang, X,Gao, Z,&Zhu, QH.(2000).Formation and photodissociation of Fe,Co,Ni/P binary cluster ions.ACTA PHYSICO-CHIMICA SINICA,16(9),818-824.
MLA Han, CY,et al."Formation and photodissociation of Fe,Co,Ni/P binary cluster ions".ACTA PHYSICO-CHIMICA SINICA 16.9(2000):818-824.
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