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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52877


    Title: Coexistence of ferromagnetism and superconductivity in Pb/PbO core/shell nanoparticles
    Authors: Hsu,CK;Hsu,D;Wu,CM;Li,CY;Hung,CH;Lee,CH;Li,WH
    Contributors: 物理學系
    Keywords: PARTICLES
    Date: 2011
    Issue Date: 2012-06-11 10:48:06 (UTC+8)
    Publisher: 國立中央大學
    Abstract: We report on the observations of spontaneous spin polarized moments in 7.4 nm Pb/PbO nanoparticles, which give rise to re-entrantlike temperature profiles for the magnetic susceptibility and magnetization in the superconducting phase that develops below 6.86 K. Results reveal the existence of a magnetic component below T(C) and superconductivity remains at low temperatures. A 30-fold increase in the critical magnetic field is also found. Superconductivity mainly arises from the 5 nm Pb core, whereas the 1.2 nm PbO shell contributes to the appearance of a net magnetic moment in the 7.4 nm Pb/PbO core/shell particles. (C) 2011 American Institute of Physics. [doi:10.1063/1.3561766]
    Relation: JOURNAL OF APPLIED PHYSICS
    Appears in Collections:[物理學系] 期刊論文

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