Efficient cooling by ferroelectric or ferromagnetic hysteresis loops
classification
❄️ cond-mat.mtrl-sci
keywords
hysteresisloopsalongcoolingeffectefficientexternalmodel
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An efficient cooling effect is put forward, by means of external electric or magnetic fields along hysteresis loops. A simplified model of hysteresis is used for numerical illustration. The model is based upon a second-order expansion of the energy in powers of polarization and external field. The electrocaloric effect along hysteresis loops is discussed for comparison.
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