Structural, magnetic and magnetocaloric properties in R2CoMnO6 (R = Dy, Ho, and Er)
Source abstract
Abstract
Abstract The crystal structure, magnetic properties and magnetocaloric effect (MCE) in R 2 CoMnO 6 (R = Dy, Ho, and Er) ceramics were investigated. The R 2 CoMnO 6 crystallized in the monoclinic structure belonging to the P 2 1 / n space group. The compounds revealed three magnetic phase transitions, and according three peaks appeared in the temperature dependence of magnetic entropy change curves. A considerable values of maximum magnetic entropy change (-∆ S M max ) and the relative cooling power ( RCP ) for R 2 CoMnO 6 ( R = Dy, Ho, and Er) at low temperature around Curie temperature T C were observed. Moreover, the normalized ∆ S M ( T ) curves around Curie temperature for all the present R 2 CoMnO 6 collapse onto a single universal curve, which confirmed that the observed paramagnetic-ferromagnetic phase transition for all the samples was of a second order.
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Research context
OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Shape Memory Alloy Transformations · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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