Abstract
We have studied the role of short relaxation time on magnetic hysteresis in a Bi2Sr2CaCu2O x single crystal. Effects were examined by comparing isothermal magnetization curves obtained over a range of temperatures as a function of the applied magnetic field, H, for magnetic field ramp rates of 3 and 30 Oe/s. At low temperature, a second magnetization peak, H p, was produced by differences in magnetic relaxation occurring over a short period during the initial stage of relaxation. The data suggested an absence of pinning crossover for H ≈ H p.
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Salem-Sugui, S., Goretta, K.C. Effect of Short-Time Magnetic Relaxation on Hysteresis Curves in Single-Crystal Bi2Sr2CaCu2Ox . Journal of Superconductivity 13, 367–370 (2000). https://doi.org/10.1023/A:1007738622205
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DOI: https://doi.org/10.1023/A:1007738622205