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Negative magnetoresistance of (1–x)La0.7Sr0.3MnO3/x(GeO2, Li4P2O7) composite ceramics

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Abstract

Ceramics of (1–x)La0.7Sr0.3MnO3/x(GeO2) and (1–x)La0.7Sr0.3MnO3/x(Li4P2O7) compositions with x = 0.1–0.3 have been synthesized that possess high absolute values of isotropic negative magnetoresistance MR at room temperature. In a composite containing 20 mass % GeO2 as the barrier component, the negative magnetoresistance reaches MR = 15% in a magnetic field of 18 kOe, while an analogous composite with Li4P2O7 under identical conditions has MR = 16%.

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Authors and Affiliations

  1. Southern Federal University, Rostov-on-Don, 344006, Russia

    Yu. V. Kabirov, V. G. Gavrilyachenko, A. S. Bogatin, N. V. Lyanguzov, T. V. Gavrilyachenko & B. S. Medvedev

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  1. Yu. V. Kabirov
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  2. V. G. Gavrilyachenko
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  3. A. S. Bogatin
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  4. N. V. Lyanguzov
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  5. T. V. Gavrilyachenko
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  6. B. S. Medvedev
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Correspondence to Yu. V. Kabirov.

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Original Russian Text © Yu.V. Kabirov, V.G. Gavrilyachenko, A.S. Bogatin, N.V. Lyanguzov, T.V. Gavrilyachenko, B.S. Medvedev, 2016, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2016, Vol. 42, No. 6, pp. 1–5.

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Kabirov, Y.V., Gavrilyachenko, V.G., Bogatin, A.S. et al. Negative magnetoresistance of (1–x)La0.7Sr0.3MnO3/x(GeO2, Li4P2O7) composite ceramics. Tech. Phys. Lett. 42, 278–279 (2016). https://doi.org/10.1134/S1063785016030214

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  • DOI: https://doi.org/10.1134/S1063785016030214

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