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Specific physical properties of nanocrystalline (La0.65Sr0.35)0.8Mn1.2O3 ± Δ samples obtained by cold isostatic pressing

  • Magnetism and Ferroelectricity
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Abstract

Single-phase powders of manganites (La0.65Sr0.35)0.8Mn1.2O3 ± Δ with average crystallite sizes of 30, 50, and 500 nm were produced by co-precipitation. The samples studied were obtained by cold isostatic pressing of powders at a pressure of 1 GPa without subsequent sintering. It is shown that the size of particles has a significant effect on the electromagnetic properties of the manganite samples. As the crystallite size decreases, the electrical resistance and coercive force increase and the tunneling magnetoresistance of the samples and the Curie temperature decrease.

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Authors and Affiliations

  1. Galkin Physicotechnical Institute, National Academy of Sciences of Ukraine, ul. Rozy Lyuksemburg 72, Donetsk, 83114, Ukraine

    G. Ya. Akimov, S. Yu. Prylypko, Yu. F. Revenko & V. M. Timchenko

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  1. G. Ya. Akimov
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  2. S. Yu. Prylypko
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  3. Yu. F. Revenko
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  4. V. M. Timchenko
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Correspondence to G. Ya. Akimov.

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Original Russian Text © G.Ya. Akimov, S.Yu. Prylypko, Yu.F. Revenko, V.M. Timchenko, 2009, published in Fizika Tverdogo Tela, 2009, Vol. 51, No. 4, pp. 727–728.

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Akimov, G.Y., Prylypko, S.Y., Revenko, Y.F. et al. Specific physical properties of nanocrystalline (La0.65Sr0.35)0.8Mn1.2O3 ± Δ samples obtained by cold isostatic pressing. Phys. Solid State 51, 770–772 (2009). https://doi.org/10.1134/S1063783409040210

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  • DOI: https://doi.org/10.1134/S1063783409040210

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