The upper critical field of untwinned YB
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U. Welp; M. Grimsditch; H. You; W.K. Kwok; M.M. Fang; G.W. Crabtree; J.Z. Liu
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Article
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1990
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Elsevier Science
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English
⚖ 227 KB
The upper critical field of untwinned YBa,Cu,O,\_, crystals is determined from the onset of diamagnetism in dc-magnetization measurements. There is no evidence of anisotropy in the upper critical field in the basal plane indicating that the ordering of oxygen into chains plays only a minor role in