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    題名: Role of 3d electrons in the rapid suppression of superconductivity in the dilute V doped spinel superconductor LiTi2O4
    作者: 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.
    貢獻者: 淡江大學物理學系暨研究所
    日期: 2011
    上傳時間: 2014-03-06 15:58:28 (UTC+8)
    出版者: Bristol: Institute of Physics Publishing Ltd.
    摘要: 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.
    關聯: Supercond. Sci. Technol. 24, 115007(7pages)
    DOI: 10.1088/0953-2048/24/11/115007
    顯示於類別:[物理學系暨研究所] 期刊論文

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