We report an experimental demonstration of the magnetoelectrocaloric effect (MECE) in multiferroic GdFeO3.The temperature of the magnetic material changes when an external electric field is suddenly changed.MECE is the largest below the ordering temperature of Gd moments and modifiable by a magnetic field, suggesting that the ferroelectric transition affects MECE.The observed MECE shows a higher energy efficiency than typical magnetocaloric effects and adiabatic nuclear demagnetization.The present findings provide a proof of concept of MECE in multiferroics.
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Ikeda et al. (2024) studied this question.
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