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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/125105


    Title: Current direction dependent magnetotransport in CuTe
    Authors: Hsueh, Hung-chung
    Date: 2023-09-28
    Issue Date: 2024-03-01 12:05:57 (UTC+8)
    Publisher: American Physical Society (APS)
    Abstract: Despite being a layered, easily-exfoliated compound, copper monotelluride (CuTe) features an unusual
    quasi-one-dimensional charge density wave below TCDW ≈ 335K. Within a CuTe layer, the electrical resistivity depends sensitively on the direction of the electrical current. Here, we use magnetotransport to probe the metallic state of CuTe with two distinct in-plane current directions. When the current flows along the a axis (I //a), the magnetoresistance exhibits a downward curvature as the magnetic field increases. On the other hand, when the current is along the b axis (I //b), the magnetoresistance shows the opposite curvature. Our analysis uncovers a violation of Kohler scaling, but only for I //a. Shubnikov–de Haas oscillations are detected at low temperatures.
    Our results shed light on the nature of the metallic state in CuTe with the development of the charge density wave.
    Relation: Phyiscal Review B 108, p.115162
    DOI: 10.1103/PhysRevB.108.115162
    Appears in Collections:[物理學系暨研究所] 期刊論文

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