Anisotropy of the Upper Critical Magnetic Field in Single Crystal YBa2Cu3O7+y
- 1 May 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (5A) , L726-728
- https://doi.org/10.1143/jjap.26.l726
Abstract
The upper critical magnetic field H c2 was measured on single crystals of the recently-discovered superconducting YBa2Cu3O7+y oxide. The H c2 along the basal plane is estimated to be larger than that along the c-axis by a factor of 5. A small anisotropy of H c2 in the basal plane is also found. It is not clear at present whether this small anisotropy is intrinsic or due to crystal imperfectness such as micro-twinnings.Keywords
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