Magnetoelectrocaloric effect of multiferroic GdFeO3
Rintaro Ikeda, Takashi Kurumaji, Yusuke Tokunaga, and Taka-hisa Arima
TL;DR
This paper demonstrates the magnetoelectrocaloric effect in multiferroic GdFeO3, showing temperature changes induced by electric fields, with potential for efficient cooling applications and insights into multiferroic properties.
Contribution
It provides the first experimental demonstration of MECE in GdFeO3, highlighting the influence of ferroelectric transition on magnetocaloric effects in multiferroics.
Findings
MECE is largest below Gd moments' ordering temperature.
MECE can be modulated by an external magnetic field.
Observed MECE has higher energy efficiency than traditional magnetocaloric effects.
Abstract
We report an experimental demonstration of the magnetoelectrocaloric effect (MECE) in multiferroic . 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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Taxonomy
TopicsMultiferroics and related materials · Ferroelectric and Piezoelectric Materials