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Effect of growth conditions on crystal morphology and superconductivity of Bi-2212 oxide

โœ Scribed by G.D. Gu; T. Egi; N. Koshizuka; P.A. Miles; G.J. Russell; S.J. Kennedy


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
228 KB
Volume
263
Category
Article
ISSN
0921-4534

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## Samples with the nominal composition BizSrzCa,\_,Na,CuzO, (with x=0.05,0.2,0.4 and 0.5) were prepared by the solid state reaction method. The role of Na and the effect of various heat treatments in the 2212 composition were studied. From the X-ray diffraction data it is found that the samples a