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Recent progress in the development of RE_(2)TMTM’O_(6)double perovskite oxides for cryogenic magnetic refrigeration

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摘要 The magnetic functional materials play a particularly important role in our modern society and daily life.The magnetocaloric effect(MCE)is at the basis of a solid state magnetic refrigeration(MR)technology which may enhance the efficiency of cooling systems,both for room temperature and cryogenic appli-cations.Despite numerous experimental and theoretical MCE studies,commercial MR systems are still at developing stage.Designing magnetic solids with outstanding magnetocaloric performances remains therefore a most urgent task.Herein,recent progresses on characterizing the crystal structure,magnetic properties and cryogenic MCE of rare earths(RE)-based RE_(2)TMTM’O_(6)double perovskite(DP)oxides,where TM and TM’are different 3d transition metals,are summarized.Some Gd-based DP oxides are found to exhibit promising cryogenic magnetocaloric performances which make them attractive for active MR ap-plications.
出处 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2023年第5期1-12,共12页 材料科学技术(英文版)
基金 This work was financially supported by the National Natural Science Foundation of China(Nos.52171174 and 91963123) the Ten Thousand Talents Plan of Zhejiang Province(No.2018R52003) the Fundamental Research Funds for the Provincial University of Zhejiang(No.GK199900299012-022).
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