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Angular dependence of the magnetoresistance in Y3/4Lu1/4Ba2Cu3O7-CuO composites at 77 K

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Abstract

The angular dependence of the magnetoresistance of polycrystalline Y3/4Lu1/4Ba2Cu3O7-CuO composites has been studied. These composites represent a system of Josephson junctions and exhibit a large magnetoresistance at 77 K. In addition to the isotropic component, there is the angle-dependent component proportional to sin2ϑ, where ϑ is the angle between the directions of current and magnetic field. This behavior is unambiguous evidence for the process of flux flow in the Josephson medium realized in the composites.

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Authors and Affiliations

  1. Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russia

    D. A. Balaev, A. G. Prus, K. A. Shaikhutdinov & M. I. Petrov

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  1. D. A. Balaev
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  2. A. G. Prus
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  3. K. A. Shaikhutdinov
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  4. M. I. Petrov
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Original Russian Text © D.A. Balaev, A.G. Prus, K.A. Shaikhutdinov, M.I. Petrov, 2006, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2006, Vol. 32, No. 15, pp. 67–73.

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Balaev, D.A., Prus, A.G., Shaikhutdinov, K.A. et al. Angular dependence of the magnetoresistance in Y3/4Lu1/4Ba2Cu3O7-CuO composites at 77 K. Tech. Phys. Lett. 32, 677–679 (2006). https://doi.org/10.1134/S1063785006080128

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  • DOI: https://doi.org/10.1134/S1063785006080128

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