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    題名: The effect of annealing time on the electronic structure of the Fe-Cu-Nb-Si-B alloys
    作者: Chang, Y.K.;Cheng, Y.H.;彭維鋒;Pong, W.F.;Tsai, M.-H.;Chen, Y.Y.;Chiou, J.W.;Jan, J.C.;錢凡之;Chien, F.Z.;鄭伯昆;Tseng, P.K.;Dann, T.E.;Leu, M.S.;Chin, T.S.
    貢獻者: 淡江大學物理學系
    關鍵詞: X-ray absorption near-edge-structure (XANES);Extended X-ray absorption fine structure (EXAFS);Fe–Si-based nanocrystal;Amorphous
    日期: 2001-03
    上傳時間: 2009-12-31 10:26:57 (UTC+8)
    出版者: Amsterdam: Elsevier BV
    摘要: Three nanocrystalline (nc-) Fe73.5Cu1Nb3Si13.5B9 (nc-FCNSB) samples were obtained from amorphous (a-) Fe73.5Cu1Nb3Si13.5B9 (a-FCNSB) samples by annealing for 30, 60, and 120 min at a temperature of 550°C. X-ray absorption near-edge-structure (XANES) spectra of these samples were measured at the Fe L3,2-edge using the sample drain current mode at room temperature. The intensities in the Fe L3,2-edge XANES spectra of nc-FCNSBs are significantly different from that of the Fe–Si–B alloy, indicating that Cu and Nb strongly influence the Fe 3d local electronic structure. Crystallization of the FCNSB alloy under the optimum annealing condition improves the magnetic properties of the nc-FCNSB alloys.
    關聯: Journal of Electron Spectroscopy and Related Phenomena 114-116, pp.831-835
    DOI: 10.1016/S0368-2048(00)00273-5
    顯示於類別:[物理學系暨研究所] 期刊論文

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