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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/88837


    Title: Role of 3d electrons in the rapid suppression of superconductivity in the dilute V doped spinel superconductor LiTi2O4
    Authors: Chen, C L;Dong, C L;Asokan, K;Chen, J L;Liu, Y S;Guo, J-H;Yang, W L;Chen, Y Y;Hsu, F C;Chang, C L;Wu, M K
    Contributors: 淡江大學物理學系
    Date: 2011
    Issue Date: 2013-04-29 11:18:08 (UTC+8)
    Publisher: Bristol: Institute of Physics Publishing Ltd.
    Abstract: The microscopic effects of V doping in LiTi2O4 have been poorly understood. The present study employs x-ray absorption near-edge structure (XANES) and resonant inelastic soft-x-ray scattering (RIXS) spectroscopy to understand the change in the electronic structure due to dilute V doping in spinel LiTi2O4 and the possible origin for the rapid suppression of superconductivity in these compounds. Results from the XANES spectra at Ti L and K edges and Ti L-RIXS show that Ti exists in a mixed-valence state and, with V doping, the unoccupied states of Ti in the t2g band increase. The rapid suppression of superconductivity is associated with the change in Ti 3d electrons and Ti–O hybridization.
    Relation: Superconductor Science and Technology 24(11), 115007(7pages)
    DOI: 10.1088/0953-2048/24/11/115007
    Appears in Collections:[物理學系暨研究所] 期刊論文

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