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Room temperature huge magnetocaloric properties in low hysteresis ordered Cu-doped Ni-Mn-In-Co alloys

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dc.contributor.authorLa Roca, Paulo Matías
dc.contributor.authorLópez García, Javier
dc.contributor.authorSánchez-Alarcos Gómez, Vicente
dc.contributor.authorRecarte Callado, Vicente
dc.contributor.authorRodríguez Velamazán, José Alberto
dc.contributor.authorPérez de Landazábal Berganzo, José Ignacio
dc.contributor.departmentZientziakeu
dc.contributor.departmentInstitute for Advanced Materials and Mathematics - INAMAT2en
dc.contributor.departmentCienciases_ES
dc.contributor.funderGobierno de Navarra / Nafarroako Gobernua, PC017–018 AMELECes
dc.date.accessioned2022-08-25T09:10:11Z
dc.date.issued2022
dc.date.updated2022-08-25T09:02:57Z
dc.description.abstractThe reduction of the thermal hysteresis in first order magnetostructural transition is a determining factor to decrease energy losses and to improve the efficiency of magnetocaloric cooling based systems. In this work, a Cu doped NiMnInCo metamagnetic shape memory alloy (MMSMA) exhibiting a narrow thermal hysteresis (around 5 K) at room temperature has been designed. In this alloy, the induced L21 ordering process affects the phase stability in an unusual way compared to that observed in NiMnInCo and other NiMn based alloys. This ordering produces an increase in the Curie temperature of the austenite but hardly affects the mar tensitic transformation temperatures. As a consequence, the ordering increases the magnetization of the austenite without changing the transformation temperatures, doubles the sensitivity of the transformation to magnetic fields (the Claussius-Clapeyron slope goes from 2.1 to 3.9 K/T), improves the magnetocaloric effect, the reversibility and finally, enhances the refrigeration capacity. In addition, the magnetic hysteresis losses are among the lowest reported in the literature and the effective cooling capacity coefficient RCeff reaches 86 J/Kg for 2 T (15 % higher than those found in Ni-Mn based alloys) and 314 J/Kg for 6 T fields. Therefore, the ordered alloy possesses an excellent combination of low thermal hysteresis and high RCeff, not achieved previously in metamagnetic shape memory alloys near room temperature.en
dc.description.sponsorshipThis work has been carried out with the financial support of the Spanish “Agencia Estatal de Investigación (AEI), Ministerio de Ciencia, Innovación y Universidades” (Projects number RTI2018–094683-B-C54 (MCIU/AEI/FEDER, UE)), Navarra Government (Project number PC017–018 AMELEC). P. La Roca has received funding from “la Caixa” and "Caja Navarra" Foundations, under agreement LCF/PR/PR13/51080004.en
dc.embargo.lift2024-11-01
dc.embargo.terms2024-11-01
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLa-Roca, P. M.; López-García, J.; Sánchez-Alarcos, V.; Recarte, V.; Rodríguez-Velamazán, J. A.; Pérez-Landazábal, J. I.. (2022). Room temperature huge magnetocaloric properties in low hysteresis ordered Cu-doped Ni-Mn-In-Co alloys. Journal of Alloys and Compounds: an interdisciplinary journal of materials science and solid-state chemistry and physics.. 922,166143 1-8 .en
dc.identifier.doi10.1016/j.jallcom.2022.166143
dc.identifier.issn0925-8388
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/43846
dc.language.isoengen
dc.publisherElsevieren
dc.relation.ispartofJournal of Alloys and Compounds 922 (2022) 166143en
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-094683-B-C54/ES/en
dc.relation.publisherversionhttps://doi.org/10.1016/j.jallcom.2022.166143
dc.rights© 2022 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0en
dc.rights.accessRightsAcceso embargado / Sarbidea bahitua dagoes
dc.rights.accessRightsinfo:eu-repo/semantics/embargoedAccessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectMartensitic transformationen
dc.subjectOrder-disorder phenomenaen
dc.subjectHeusler alloysen
dc.subjectShape memory alloysen
dc.subjectMagnetocaloric effecten
dc.titleRoom temperature huge magnetocaloric properties in low hysteresis ordered Cu-doped Ni-Mn-In-Co alloysen
dc.typeArtículo / Artikuluaes
dc.typeinfo:eu-repo/semantics/articleen
dc.type.versionVersión aceptada / Onetsi den bertsioaes
dc.type.versioninfo:eu-repo/semantics/acceptedVersionen
dspace.entity.typePublication
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