Characteristic fields of a Bi2Sr2CaCu2Oy crystal |
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Authors: | V N Zavaritskii |
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Institution: | (1) Kapitsa Institute for Physical Problems, Russian Academy of Sciences, Moscow, 117334, Russia;(2) H.H. Wills Physics Laboratory, University of Bristol, Bristol BS8 1TL, UK |
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Abstract: | The field dependences of the transverse resistance of a Bi2Sr2CaCu2Oy (BSCCO) layered superconducting single crystal with T c0≥92 K are studied in a perpendicular (H⊥(ab)) pulsed magnetic field up to 50 T in a wide temperature range, 4.2–300 K. The temperature dependences of the characteristic fields identified with the “irreversibility curve” and the field corresponding to the nucleation of the superconducting phase are determined. The results obtained for the latter field are compared with the theoretical dependences. |
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