Magnetocaloric properties of La0.7Ca0.3Mn16O3 and La0.7Ca0.3Mn18O3 manganites and their sandwich
A. M. Aliev (1), A. G. Gamzatov (1), K. I. Kamilov (1,2), A. R. Kaul, (3), N. A. Babushkina (4) ((1) Amirkhanov Institute of Physycs of Daghestan, Scientific Center, RAS, Makhachkala, Russia, (2) Department of Physics,, Moscow State University, Moscow, Russia
TL;DR
This paper investigates the magnetocaloric properties of specific manganites and demonstrates that sandwiching materials with similar properties enhances their cooling efficiency by approximately 20%.
Contribution
It introduces a novel sandwich structure approach to improve the magnetocaloric effect in manganites.
Findings
Sandwiching similar magnetocaloric materials increases cooling power by 20%.
The study provides insights into material design for improved magnetic refrigeration.
Enhanced magnetocaloric performance observed in La0.7Ca0.3Mn16O3 and La0.7Ca0.3Mn18O3 sandwiches.
Abstract
It is shown that the use of sandwich from materials with near similar magnetocaloric properties increases the relative cooling power by about 20 %.
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Taxonomy
TopicsMagnetic and transport properties of perovskites and related materials · Electrical and Thermal Properties of Materials · Multiferroics and related materials