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|Title:||Oxidization states of metal atoms in linear bimetallic multi-sandwich molecules Vn(FeCp2)(n+1) and magnetic moment enhancement mechanism of its 1D wire|
|Authors:||Shen, L. |
|Citation:||Shen, L., Jin, H., Ligatchev, V., Yang, S.-W., Sullivan, M.B., Feng, Y. (2010). Oxidization states of metal atoms in linear bimetallic multi-sandwich molecules Vn(FeCp2)(n+1) and magnetic moment enhancement mechanism of its 1D wire. Physical Chemistry Chemical Physics 12 (18) : 4555-4559. ScholarBank@NUS Repository. https://doi.org/10.1039/b927272k|
|Abstract:||Using density functional theory calculations, we demonstrate that one-dimensional bimetallic molecular ferromagnets (FeCpMCp)∞ (M = Sc, Ti, V, Cr and Mn, Cp = cyclopentadienyl) exhibit significant enhancement in local and global atomic magnetic moments as well as relatively large spin-polarization energy as compared to their monometallic counterparts. These yield an unusual charge configuration for one of the wires: (Fe 0Cp-1V+2Cp-1)∞. Hückel's rule and double-exchange interaction model are used to illustrate the details of local charge transfer and long-range ferromagnetic order. We then propose a growth mechanism for Vn(FeCp2)(n+1) (n = 1-4) clusters, which is supported unambiguously with time-of-flight mass spectroscopy data. © the Owner Societies.|
|Source Title:||Physical Chemistry Chemical Physics|
|Appears in Collections:||Staff Publications|
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