Determination of the magnetocaloric effect from thermophysical parameters and their relationships near magnetic phase transition in doped manganites

Gamzatov A. G.,Batdalov A. B.,Aliev A. M.,Yen P. D. H.,Gudina S. V.,Neverov V. N.,Thanh T. D.,Dung N. T.,Yu S. -C.,Kim D-H.,Phan M. H.

Journal of Magnetism and Magnetic Materials（2020）

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摘要

•Direct and indirect measurements magnetocaloric effect in Pr0.7Sr0.2Ca0.1MnO3.•Specific heat, thermal diffusivity, thermal conductivity, resistivity Pr0.7Sr0.2Ca0.1MnO3.•Correlation of the MCE and thermophysical properties near the FM-PM phase transition.•The giant value of the RCP ~814 J/kg for the Pr0.7Sr0.2Ca0.1MnO3 sample at H = 80 kOe.

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关键词

Manganites,Magnetic entropy change,Magnetoresistance,Magnetostriction,Thermal diffusivity,Thermal conductivity

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