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Enhancement of magnetocaloric effect in the Gd2Al phase by Co alloying

TitleEnhancement of magnetocaloric effect in the Gd2Al phase by Co alloying
Publication TypeJournal Article
Year of Publication2014
AuthorsHuang, ZY, Fu, H, Hadimani, RL, Balfour, EA, Dembele, SN, Teng, BH, Jiles, DC
JournalJournal of Applied Physics
Date Published11
Type of ArticleArticle
ISBN Number0021-8979
Accession NumberWOS:000345216300030
Keywordscompound, magnetic refrigeration, temperature

= 0.6 were synthesized by arc-melting and the crystal structure was analyzed by XRD. The magnetic properties were investigated, and the entropy changes were calculated for a magnetic field change of 50 kOe. All the as-cast alloys doped with Co exhibited greater magnetic entropy changes than the original binary Gd2Al phase. The main reasons attributed to this are the increase of ferromagnetic interaction indicated by the disappearance of cusp and sharp drop in magnetization and the reduction of the critical field required to trigger the field-induced transition below 50K in Gd2Al phase after Co alloying. (C) 2014 AIP Publishing LLC.

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