Study of metal distributions in YBa2Cu3O7-x/Ag2O composites

Shirokoff, John W. and Faiz, M. and Ahmed, M. and Hamdan, N. M. and Ziq, Kh A. (1998) Study of metal distributions in YBa2Cu3O7-x/Ag2O composites. Superconductor Science and Technology, 11 (6). pp. 558-562. ISSN 0953-2048

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Abstract

The micro proton-induced x-ray emission technique has been used to study the elemental distribution profiles of high- composites on varying the content. Measurements revealed that Ag agglomeration starts to appear in samples with , becoming prominent at 50 wt%. These results are further supported by x-ray diffraction (XRD) measurements performed on the same samples. The XRD results identified a crystalline Ag phase to be present in all of the samples (7-50 wt% ), a crystalline phase in the 25 and 50 wt% samples and no evidence for Ag replacing Cu or orthogonal-to-tetragonal transformation

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