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    Title: Optical properties of Sr2Y(Ru1-X CuX)O6
    Authors: Liu, H. L.;Her, J. L.;Chen, C. C.;Rao, S. M.;Wu, M. K.;Hsueh, W. F.;Chi, C. C.;錢凡之;Chien, F. Z.
    Contributors: 淡江大學物理學系
    Date: 2006-01
    Issue Date: 2009-12-31 10:29:48 (UTC+8)
    Publisher: Kidlington:Pergamon Press
    Abstract: We present optical reflectance and Raman-scattering studies of double perovskite structure Sr2Y(Ru1KxCux)O6 systems as a function of temperature and doping. The optical conductivities of all doping samples studied have the character of an insulator at low frequencies, showing only optical phonons in the far-infrared. As the temperature is lowered, the A1 g apical oxygen phonon mode exhibits a noticeable softening below magnetic ordered and superconducting transitions, indicative of a strong lattice–spin-charge coupling in these materials.
    Relation: Journal of Physics and Chemistry of Solids 67(1-3), pp.302-304
    DOI: 10.1016/j.jpcs.2005.10.074
    Appears in Collections:[物理學系暨研究所] 期刊論文

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