Abstract:Abstract.We have studied the I-V characteristics and the behaviour of the critical current density of Y B a 2 C~3 0 7 .~ films, prepared by sputtering, at different values of applied magnetic field and of temperature. The superconductor was deposited onto polycrystalline Zr02 (8 mol % Y2O3). The I-V characteristics were obtained by using a short current pulse measurement technique in order to avoid heating phenomena. We have used a theoretical model to describe the I-V characteristics, based on a statistical t… Show more
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