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Title: (Magneto)caloric refrigeration: Is there light at the end of the tunnel?

Journal Article · · Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences

Here, caloric cooling and heat pumping rely on reversible thermal effects triggered in solids by magnetic, electric or stress fields. In the recent past, there have been several successful demonstrations of using first-order phase transition materials in laboratory cooling devices based on both the giant magnetocaloric and elastocaloric effects. All such materials exhibit non-equilibrium behaviours when driven through phase transformations by corresponding fields. Common wisdom is that non-equilibrium states should be avoided; yet, as we show using a model material exhibiting a giant magnetocaloric effect, non-equilibrium phase-separated states offer a unique opportunity to achieve uncommonly large caloric effects by very small perturbations of the driving field(s).

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1321912
Report Number(s):
IS-J-9005
Journal Information:
Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences, Vol. 374, Issue 2074; ISSN 1364-503X
Publisher:
Royal SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

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Cited By (4)

Energy Applications of Magnetocaloric Materials journal March 2020
Study on the Effect of Vacancy Doping on the Magnetocaloric Effect of La0.65−xCa0.35MnO3 (0 ≤ x ≤ 0.15) journal November 2019
Integration of a magnetocaloric heat pump in a low-energy residential building journal January 2018
Giant reversible barocaloric response of (MnNiSi) 1− x (FeCoGe) x ( x = 0.39, 0.40, 0.41) journal June 2019

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