Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf

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Magnetocaloric materials for refrigeration near room temperature
Waske, A.; Gruner, M. E.; Gottschall, T.; Gutfleisch, O.;
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 fi rst- 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 briefl y 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.

Publ.-Id: 27476 - Permalink