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    題名: Electronic Structure of Cobalt Nanocrystals Suspended in Liquid
    作者: 張經霖;Chang, C. L.;Liu, Hongjian;Guo, Jinghua;Yin, Yadong;Augustsson, Andreas;Dong, Chungli;Nordgren, Joseph;Chang, Chinglin;Alivisatos, Paul;Thornton, Geoff;Ogletree, D. Frank;Requejo, Felix G.;Groot, O Frank;Salmeron, Miquel
    貢獻者: 淡江大學物理學系
    日期: 2007-07
    上傳時間: 2009-12-31 10:37:54 (UTC+8)
    出版者: American Chemical Society (ACS)
    摘要: The electronic structure of cobalt nanocrystals suspended in liquid as a function of size has been investigated using in situ X-ray absorption and emission spectroscopy. A sharp absorption peak associated with the ligand molecules is found that increases in intensity upon reducing the nanocrystal size. X-ray Raman features due to d−d and to charge-transfer excitations of ligand molecules are identified. The study reveals the local symmetry of the surface of ε-Co phase nanocrystals, which originates from a dynamic interaction between Co nanocrystals and surfactant + solvent molecules.
    關聯: Nano Letters 7(7), pp.1919-1922
    DOI: 10.1021/nl070586o
    顯示於類別:[物理學系暨研究所] 期刊論文

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