Search for the magnetocaloric effect in multiferroics oxides
M. Balli, D. Matte, S. Jandl, P. Fournier, M. M. Gospodinov
TL;DR
This study investigates the magnetocaloric effect in specific multiferroic oxides, HoMn2O5 and La2(Ni,Co)MnO6, focusing on single crystals to accurately assess their properties across a range of temperatures.
Contribution
It provides new insights into the magnetocaloric properties of these multiferroic oxides using single crystal samples, avoiding common polycrystalline issues.
Findings
Magnetocaloric effects observed near room temperature.
Single crystals show clearer magnetic transition behaviors.
Potential applications in magnetic refrigeration at various temperatures.
Abstract
In this paper, we report on the magnetocaloric properties of some selected multiferroic oxides, namely HoMn2O5 and La2(Ni,Co)MnO6 compounds which exhibit transition points from 10K up to almost room temperature. In order to avoid grain boundary effects and structural inhomogeneity observed frequently in polycrystalline samples, only single crystals were considered for this study.
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Taxonomy
TopicsMultiferroics and related materials · Magnetic and transport properties of perovskites and related materials · Ferroelectric and Piezoelectric Materials