Direct and Inverse Magnetocaloric effects in A-site ordered PrBaMn2O6 manganite in low magnetic fields - Condensed Matter > Strongly Correlated ElectronsReport as inadecuate




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Abstract: The magnetocaloric effect MCE of A-site ordered PrBaMn2O6 manganite hasbeen studied by direct methods and by the specific heat measurements. Directmeasurements of the MCE in low magnetic fields were performed using recentlyproposed modulation technique and by classic direct method in high fields.Direct and inverse MCE are observed at Curie and Neel points correspondingly. Avalue of the inverse MCE in the heating run is less than in the cooling regime.This effect can be attributing to competition between ferromagnetic andantiferromagnetic interactions. Indirectly estimated and direct MCE valuesconsiderably differ in around first order AF transition.



Author: A.M. Aliev, A.G. Gamzatov, A.B. Batdalov, V.S. Kalitka, A.R. Kaul

Source: https://arxiv.org/



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