Journal
MRS BULLETIN
Volume 43, Issue 4, Pages 269-273Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrs.2018.69
Keywords
phase transformation; magnetic properties; fatigue
Funding
- DFG priority program [SPP 1599]
- Dresden High Magnetic Field Laboratory at Helmholtz-Zentrum Dresden-Rossendorf, European Magnetic Field Laboratory
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This article overviews the current status of magnetocaloric materials for room-temperature refrigeration. We discuss the underlying mechanism of the magnetocaloric effect and illustrate differences between first- and second-order type materials starting with gadolinium as a reference system. Beyond the key functional properties of magnetocaloric materials, the adiabatic temperature, and entropy change, we briefly address the criticality of the most promising materials in terms of their supply risk. Looking at practical applications, suitable geometries and processing routes for magnetocaloric heat exchangers for device implementation are introduced.
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