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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27588

    Title: Magnetic properties in CeCo2 nanoparticles
    Authors: Wang, C. R.;Chen, Y. Y.;Yao, Y. D.;張經霖;Chang, C. L.;Weng, Y. S.;Wang, C. Y.
    Contributors: 淡江大學物理學系
    Keywords: Superparamagnetism;Paramagnetism;Spin glass;Nanoparticle
    Date: 2002-02-01
    Issue Date: 2009-12-31 10:27:50 (UTC+8)
    Publisher: Elsevier
    Abstract: Bulk CeCo2 is characterized as a Pauli paramagnet, both Ce and Co are essentially nonmagnetic. The data of χ(T) show that CeCo2 nanoparticles exhibit extremely complex magnetic properties. Two magnetic phases, a major paramagnetic component and a minor ferromagnetic component, were detected in CeCo2 nanoparticles. A superparamagnetic behavior was shown at T>200 K and a low-temperature spin-glass-like behavior was observed at T=10–30 K. Such magnetic changes were attributed to the size effects in nanoparticles.
    Relation: Journal of Magnetism and Magnetic Materials 239(1-3), pp.524-526
    DOI: 10.1016/S0304-8853(01)00639-4
    Appears in Collections:[物理學系暨研究所] 期刊論文

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