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    题名: First-principles study of the atomistic and electronic structure of the niobium--alumina (0001) interface10.1080/095008396180650
    作者: Kruse, C.;Finnis, N. W.;林志興;Lin, Jyh-shing;Payne, M. C.;Milman, V.;Vita, A. De.;Gillan, M. J.
    贡献者: 淡江大學化學學系
    日期: 1996
    上传时间: 2009-12-01
    出版者: Taylor & Francis
    摘要: We report first-principles self-consistent calculations of the atomistic structure and local electronic densities of states of the system Nb on alpha-Al2O3 (sapphire). We find that a monolayer of Nb strongly prefers those surface sites on Al2O3(0001) that are occupied by Al in the bulk, and the bonding is very ionic. When eight layers of Nb are simulated in contact with O-terminated Al2O3(0001), the metal shows appreciable interlayer relaxation near the interface. When the Al2O3 is terminated instead by Al, the adjacent Nb lattice is much less distorted. We see significant differences in the local electronic structure between these cases.
    關聯: Philosophical magazine letters 73(6), pp.377-385
    DOI: 10.1080/095008396180650
    显示于类别:[化學學系暨研究所] 期刊論文

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