關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Crystal and magnetic structures of A2YRU1-XcCuxO6 with A=Sr

[第一頁][上頁]1[次頁][最末頁]目前在第 1 頁 / 共有 01 筆查詢結果
序號 學年期 教師動態
1 92/2 物理系 錢凡之 教授 期刊論文 發佈 Crystal and magnetic structures of A2YRU1-XcCuxO6 with A=Sr, Ba and x = 0.05 to 0.15 , [92-2] :Crystal and magnetic structures of A2YRU1-XcCuxO6 with A=Sr, Ba and x = 0.05 to 0.15期刊論文Crystal and magnetic structures of A2YRU1-XcCuxO6 with A=Sr, Ba and x = 0.05 to 0.15錢凡之淡江大學物理學系Journal of Materials Chemistry 13, pp.1468-1474A series of mixed ruthenium–copper oxides of general formulae A2YRu1−xCuxO6 with A = Sr, Ba and x = 0.05 to 0.15 were prepared by high temperature synthesis. Electrical and magnetic measurements confirmed the samples were superconducting. Variable temperature neutron powder diffraction studies were undertaken to determine the crystal and magnetic structures of the materials in the temperature range 2–100 K. Both series are double perovskites with the Sr compounds adopting a distorted structure with space group P21/n and the Ba materials in the cubic space group Fm3m. The neutron diffraction patterns clearly show the development of extra peaks at temperatures ∼30–40 K indicative of long-range magnetic order. Refinements of the data indicate that the Ru5+ ions a
[第一頁][上頁]1[次頁][最末頁]目前在第 1 頁 / 共有 01 筆查詢結果