Studies on the Stability of Iron Phosphide Cluster Ions

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (9): 1325.

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Studies on the Stability of Iron Phosphide Cluster Ions

JU Xin¹, SHI Chao-Shu¹, ZHANG Nan², GAO Zhen², KONG Fan-Ao², ZHU Qi-He², TANG Xiao-Wei³

1. University of Science and Technology of China, Hefei, 230026;
2. Institute of Chemistry, Academia Sinica, Beijing;
3. Institute of High Energy Physics, Academia Sinica, Beijing

Received:1994-11-19 Revised:1995-04-09 Online:1995-09-24 Published:1995-09-24

Abstract

Abstract: The formation and stability of Fe_xP_y⁺cluster ion produced by laser ablation were investigated.The gas-phase reaction equation in the formation of these cluster ions is P_z+Fe_x⁺→Fe_xP_y⁺+P_z-y. And the odd-even variation related to the number of Patom in mass spectrum was explained with the calculation of the electronic occupied state in the cluster ions in which the electronic structure of transition metal dominates the bonding in cluster ions, and the higher ionization energy of even cluster ions results in removing easily electrons from the single electron occupied states of cluster ions.

Key words: Cluster, Laser ablation, Odd-even variation

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JU Xin, SHI Chao-Shu, ZHANG Nan, GAO Zhen, KONG Fan-Ao, ZHU Qi-He, TANG Xiao-Wei. Studies on the Stability of Iron Phosphide Cluster Ions[J]. Chem. J. Chinese Universities, 1995, 16(9): 1325.

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Studies on the Stability of Iron Phosphide Cluster Ions

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