Coupling Phenomena in Magnetocaloric Materials

Waske A, Dutta B, Teichert N, Weise B, Shayanfar N, Becker A, Hütten A, Hickel T (2018)
ENERGY TECHNOLOGY 6(8): 1429-1447.

Zeitschriftenaufsatz | Veröffentlicht| Englisch
 
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Autor/in
Waske, Anja; Dutta, Biswanath; Teichert, Niclas; Weise, Bruno; Shayanfar, Navid; Becker, AndreasUniBi; Hütten, AndreasUniBi; Hickel, Tilmann
Abstract / Bemerkung
Strong coupling effects in magnetocaloric materials are the key factor to achieve a large magnetic entropy change. Combining insights from experiments and ab initio calculations, we review relevant coupling phenomena, including atomic coupling, stress coupling, and magnetostatic coupling. For the investigations on atomic coupling, we have used Heusler compounds as a flexible model system. Stress coupling occurs in first-order magnetocaloric materials, which exhibit a structural transformation or volume change together with the magnetic transition. Magnetostatic coupling has been experimentally demonstrated in magnetocaloric particles and fragment ensembles. Based on the achieved insights, we have demonstrated that the materials properties can be tailored to achieve optimized magnetocaloric performance for cooling applications.
Stichworte
ab initio calculations; ferroic cooling; Heusler alloys; magnetocaloric; materials; magneto-structural transition
Erscheinungsjahr
2018
Zeitschriftentitel
ENERGY TECHNOLOGY
Band
6
Ausgabe
8
Seite(n)
1429-1447
ISSN
2194-4288
eISSN
2194-4296
Page URI
https://pub.uni-bielefeld.de/record/2931120

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Waske A, Dutta B, Teichert N, et al. Coupling Phenomena in Magnetocaloric Materials. ENERGY TECHNOLOGY. 2018;6(8):1429-1447.
Waske, A., Dutta, B., Teichert, N., Weise, B., Shayanfar, N., Becker, A., Hütten, A., et al. (2018). Coupling Phenomena in Magnetocaloric Materials. ENERGY TECHNOLOGY, 6(8), 1429-1447. doi:10.1002/ente.201800163
Waske, A., Dutta, B., Teichert, N., Weise, B., Shayanfar, N., Becker, A., Hütten, A., and Hickel, T. (2018). Coupling Phenomena in Magnetocaloric Materials. ENERGY TECHNOLOGY 6, 1429-1447.
Waske, A., et al., 2018. Coupling Phenomena in Magnetocaloric Materials. ENERGY TECHNOLOGY, 6(8), p 1429-1447.
A. Waske, et al., “Coupling Phenomena in Magnetocaloric Materials”, ENERGY TECHNOLOGY, vol. 6, 2018, pp. 1429-1447.
Waske, A., Dutta, B., Teichert, N., Weise, B., Shayanfar, N., Becker, A., Hütten, A., Hickel, T.: Coupling Phenomena in Magnetocaloric Materials. ENERGY TECHNOLOGY. 6, 1429-1447 (2018).
Waske, Anja, Dutta, Biswanath, Teichert, Niclas, Weise, Bruno, Shayanfar, Navid, Becker, Andreas, Hütten, Andreas, and Hickel, Tilmann. “Coupling Phenomena in Magnetocaloric Materials”. ENERGY TECHNOLOGY 6.8 (2018): 1429-1447.