Magnetocaloric manganites: Progress and challenges

被引：23

作者：

Phan, Manh-Huong ^{[1
]}

Yu, Seong-Cho ^{[2
]}

机构：

[1] Univ Bristol, Adv Composites Ctr Innnovat & Sci, Bristol BS8 1TR, Avon, England

[2] Chungbuk Natl Univ, Dept Phys, Cheongju 361763, South Korea

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2007年 / 204卷 / 12期

关键词：

D O I：

10.1002/pssa.200777188

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic refrigeration based on the magnetocaloric effect (MCE) becomes a topic of internationally current interest. This enabling technology provides several advantages (e.g, high energy efficiency, small volume, non-pollution) over a conventional gas compression technique. It depends heavily upon the magnitude of MCE of magnetic substances that are used as working refrigerants. Therefore, current research is focused on a search for new materials that are low cost and exhibit small magnetic field-induced large MCEs. This paper aims to review the recent developments of a new class of magnetocaloric material, namely, ferromagnetic manganites (R1-xMxMnO3, where R = La, Nd, Pr and M= Ca, Sr, Ba, etc.). The good magnetocaloric properties of ferromagnetic manganites in addition to their flexibility and cost-effectives make them very promising for active magnetic refrigeration (AMR) applications in the temperature range of 30-375 K. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：4091 / 4095

页数：5

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