Oxygen determination from cell dimensions in YBCO superconductors

被引:134
作者
Benzi, P
Bottizzo, E
Rizzi, N
机构
[1] Univ Turin, Dipartimento Chim Gen & Organ Applicata, I-10125 Turin, Italy
[2] Ist Nazl Fis Mat, I-16152 Genoa, Italy
关键词
oxygen determination; x-ray diffraction; cuprates; YBCO; superconducting materials;
D O I
10.1016/j.jcrysgro.2004.05.082
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
A rapid and simple procedure for the determination of non-stoichiometric oxygen in YBa2Cu3O7-delta (YBCO) superconductors is described based on the relationship between oxygen content and c-axis parameter of the YBCO structure. To test the proposed method the oxygen content of samples sinterised starting from different precursors has been calculated from X-ray powder diffraction analysis and compared with the oxygen content obtained by iodometric titration with satisfactory correspondence. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:625 / 629
页数:5
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