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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/27718

    Title: The role of valence-band Co 3d states on ferromagnetism in Zn1-xCoxO nanorods
    Authors: Chiou, Jau-Wern;Tsai, H. M.;Pao, C. W.;Kumar, K. P. Krishna;Chen, J. H.;Ling, Dah-Chin;Chien, F. Z.;Pong, W. F.;Tsai,M.-H.;Hong, Ie-Hong;Chen, Chih-Hao;Lin, H.-J.;Lee, J. F.
    Contributors: 淡江大學物理學系
    Date: 2007-02-05
    Issue Date: 2009-12-31 10:39:35 (UTC+8)
    Publisher: College Park: American Institute of Physics (AIP)
    Abstract: This work investigates the electronic and ferromagnetic properties of Zn1-xCoxO nanorods using x-ray absorption, x-ray magnetic circular dichroism, and scanning photoelectron microscopy methods. The magnetic moment of Co ions in Zn1-xCoxO nanorods is found greatly reduced relative to that of the Co metal. The intensities of valence-band features near the valence-band maximum/Fermi level (EF) of ferromagnetic nanorods are substantially larger than those of weaker ferromagnetic nanorods, suggesting that the occupation of near-EF valence-band Co 3d states is important in determining the ferromagnetic behavior in Zn1-xCoxO nanorods.
    Relation: Applied Physics Letters 90(6), pp.062103(3 pages)
    DOI: 10.1063/1.2432234
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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