2026-04-17T11:21:23Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/1915272025-12-04T20:45:58Zcom_2072_1057col_2072_478822col_2072_478917

urn:hdl:2445/191527 Giant multicaloric response of bulk Fe49Rh51 Stern Taulats, Enric Castán i Vidal, Maria Teresa Planes Vila, Antoni Lewis, Laura H. Barua, Radhika Pramanick, Sabyasachi Majumdar, Subham Mañosa, Lluís Ciència dels materials Propietats magnètiques Camps magnètics Materials science Magnetic properties Magnetic fields We report on the multicaloric response of the Fe49Rh51 alloy under the combined application of hydrostatic pressure and magnetic field. Experimental data are complemented by a mean field model that takes into account the interplay between structural and magnetic degrees of freedom. A large multicaloric strength has been found for this alloy, and it is shown that a suitable combination of pressure and magnetic field enables the sign of the entropy change to be reversed and thus the multicaloric effect can be tuned from conventional to inverse. It is also shown that an extended temperature window for the multicaloric effect can be achieved by taking advantage of the coupling between structure and magnetism which enables a cross response of the alloy under the application of different external fields. Mean field calculations remarkably reproduce experimental results. 2022-12-12T18:02:37Z 2022-12-12T18:02:37Z 2017-03-17 2022-12-12T18:02:37Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Reproducció del document publicat a: https://doi.org/10.1103/PhysRevB.95.104424 Physical Review B, 2017, vol. 95, num. 10 https://doi.org/10.1103/PhysRevB.95.104424 (c) American Physical Society, 2017 info:eu-repo/semantics/openAccess American Physical Society Articles publicats en revistes (Física de la Matèria Condensada)