Magnetocaloric effect in manganites: Metamagnetic transitions for magnetic refrigeration

[摘要]：We present a study of the magnetocaloric effect in La5/8-yPryCa3/8MnO3 (y=0.3) and Pr0.5Ca0.09Sr0.41MnO3 manganites. The low temperature state of both systems is the result of a competition between the antiferromagnetic and ferromagnetic phases. The sampl

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