Microstructure of PtO2-doped melt-textur
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D. Müller; M. Ullrich; K. Heinemann; H.C. Freyhardt
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Article
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1994
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Elsevier Science
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English
⚖ 184 KB
Melt-textured YIBa2Cu3OT-6 was processed by the VGF(vertical gradient freeze)-method. The precursor had an excess of 25mo1% Y2BaCuO5 (211) and 1.8mo1% PtO2. jc of these samples is enhanced compared to melt-textured YIBa2Cu3OT-~ with excess 211 but without PtO2 doping. In order to understand this enh