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    請使用永久網址來引用或連結此文件: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/72743

    題名: Direct measurement of spatial distortions of charge density waves in K0.3MoO3
    作者: Du, Chao-hung;Lee, Yen-Ru;Lo, Chung-Yu;Lin, Hsiu-Hau;Chang, Shih-Lin;Tang, Mau-Tsu;Stetsko, Yuri P.;Lee, Jey-Jau
    貢獻者: 淡江大學物理學系
    關鍵詞: potassium compounds;charge density waves;distortion;X-ray scattering;X-ray diffraction;electrical conductivity;deformation;order-disorder transformations;solid-liquid transformations
    日期: 2006-06
    上傳時間: 2013-05-31 11:31:48 (UTC+8)
    出版者: College Park: American Institute of Physics
    摘要: Using x-ray scattering and multiple diffraction on a charge density wave (CDW) material, K0.3MoO3, under applied voltages, we demonstrate that the occurrence of nonlinear conductivity caused by the periodic media is through the internal deformation of the CDW lattice, i.e., a phase jump of 2π, as the applied voltage exceeds the threshold. From the evolution of the measured peak width of satellite reflections as a function of the field strength, we also report that the CDW lattice can be driven to move and undergo a dynamic phase transition from the disordered pinning state to ordered moving solid state and then to disordered moving liquid.
    關聯: Applied Physics Letters 88(24), 241916(3pages)
    DOI: 10.1063/1.2213198
    顯示於類別:[物理學系暨研究所] 期刊論文


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