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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/5395


    Title: 以延展X光吸收之精細結構(EXAFS)研究鈣摻雜對RE-123系統中氧結構之影響
    Other Titles: EXAFS Studies of the Effect of Ca Doping on Oxygen Ordering in RE-123 System
    Authors: 張經霖
    Contributors: 淡江大學物理學系
    Keywords: 延伸X-光吸收精細結構;高溫超導;鈣摻雜;離子尺寸;氧排列;Extensive x-ray absorption fine structure;High tc superconductor;Ca doping;Ion size;Oxygen order
    Date: 1998
    Issue Date: 2009-03-16 12:21:04 (UTC+8)
    Abstract: 本計劃擬以EXAFS分析RE1-XCaXBa2Cu3O7-* 。RE LIII-edge及Ca K-edge將被用來測量RE及鈣位置的周圍環境,以及鈣摻雜量對其配位數與鄰原子之距離產生的影響,Cu K-edge將用來測量銅氧鏈結構中的氧排列受到鈣摻雜以及即當RE位置的離子尺寸改變時產生的變化。分析結果將提供RE-123系統中鈣摻雜與RE位置離子尺寸造成晶體結構,尤其是氧排列的變化與超導性質改變的詳細資料,對探討RE-123系統高溫超導體的基本機制進行進一步的了解。
    Appears in Collections:[物理學系暨研究所] 研究報告

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