淡江大學機構典藏:Item 987654321/27734
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    题名: Inelastic light scattering studies of superconducting Ru-based double perovskites
    作者: Liu, Hsiang-Lin;Chen, Chang-Chung;Chien, Fan-Z.;Wu, Mow-Kuen
    贡献者: 淡江大學物理學系
    关键词: Antiferromagnetism;Light scattering;Perovskite;Phonons;Raman scattering;Thin films;Inelastic light scattering;Superconducting materials
    日期: 2003-05
    上传时间: 2013-07-09 15:12:47 (UTC+8)
    出版者: Amsterdam: Elsevier BV * North-Holland
    摘要: We report an inelastic light scattering study of double perovskite structure Sr2Y(Ru1-xCux)O6 systems as a function of temperature and doping (x=0.0, 0.05, and 0.1). As the temperature is lowered, for x=0.0, the 767 cm-1 A1g apical oxygen phonon mode exhibits a softening and an enhancement of the linewidth in the antiferromagnetic phase. Similar anomalies are also observed for x=0.1 when the superconducting gap opens. This suggests that a strong lattice-spin-charge coupling plays an important role in the magnetic and superconducting properties observed in these materials.
    關聯: Physica C: Superconductivity and its Applications 388-389, pp.319-320
    DOI: 10.1016/S0921-4534(02)02471-1
    显示于类别:[物理學系暨研究所] 期刊論文

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