A new type of peak effect in the magnetization of anisotropic superconductors |
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| Authors: | I F Voloshin A V Kalinov L M Fisher S A Derevyanko V A Yampol’skii |
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| Institution: | (1) Russian Research Center All-Russia Electrical Engineering Institute, Moscow, 111250, Russia;(2) Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine, Kharkov, 61085, Ukraine |
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| Abstract: | Experimental and theoretical studies of the magnetization curves M(H) obtained for plates of an anisotropic hard superconductor are performed. The samples are YBCO single-domain textured crystals with the c axis lying in the sample plane. It is shown that, for some orientations of the magnetic field in the sample plane, the magnetization curves contain additional extrema; at the same time, the virgin magnetization curve M(H) exhibits features characteristic of the peak effect. This proves that the anisotropy of the current-carrying ability can give rise to a new type of peak effect. |
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