Anomalous Reversible Torque in Layered Superconducting Bi2Sr2CaCu2Ox Single Crystal |
| Z. Drzazga, W. Borgieł Institute of Physics, Silesian University, Uniwersytecka 4, 40-007 Katowice, Poland R. Szymczak and H. Szymczak Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland |
| Received: May 16, 1995; in final form: November 3, 1995 |
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| Magnetic anisotropy of layered superconducting Bi2Sr2CaCu2Ox single crystal was investigated by the torque method in the reversible regime. The torque was analyzed in the model taking into account 2D layered structure. Considered model gives the better fit to the data when the magnetic field is applied near (a, b) plane. Obtained results establish to 6×103 value of the superconducting effective mass anisotropy coefficient ε. |
| DOI: 10.12693/APhysPolA.89.91 PACS numbers: 74.60.Ge, 75.30.Gw |