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Barocaloric effect in metamagnetic shape memory alloys

Autor
Mañosa Carrera, Lluis; Stern, E.; Planes, A.; Lloveras, P.; Del Barrio, M.; Tamarit, J. Ll.; Emre, B.; Yuce, S.; Fabbrici, S.; Albertini, F.
Tipus d'activitat
Article en revista
Revista
Physica status solidi B. Basic solid state physics
Data de publicació
2014-10-01
Volum
251
Número
10
Pàgina inicial
2114
Pàgina final
2119
DOI
https://doi.org/10.1002/pssb.201350371 Obrir en finestra nova
Projecte finançador
Dinámica en sólidos desordenados
Resum
We report on calorimetric measurements under hydrostatic pressure in a series of composition related metamagnetic shape memory alloys. We show that metamagnetic shape memory alloys exhibit a barocaloric effect whose magnitude compares well to the magnetocaloric effect exibited by this kind of alloys. While in metamagnetic alloys the magnetocaloric effect is inverse, the barocaloric effect has been found to be conventional. The values obtained for the pressure-induced entropy changes at moderate ...
Paraules clau
CO, ENTROPY CHANGE, REFRIGERATION, TRANSITIONS, barocaloric effect, magnetic shape memory alloys, metamagnetic shape memory alloys, pressure effects
Grup de recerca
CRnE - Centre de Recerca en Ciència i Enginyeria Multiescala de Barcelona
GCM - Grup de Caracterització de Materials

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