Magnetic and magnetocaloric properties of polycrystalline Pr0.55(Ca0.75Sr0.25)0.45MnO3 compound: Observation of large inverse magnetocaloric effect

被引：12

作者：

Das, Kalipada ^{[1
]}

Sen, Pintu ^{[2
]}

机构：

[1] Seth Anandram Jaipuria Coll, Dept Phys, 10 Raja Nabakrishna St, Kolkata 700005, India

[2] HBNI, Variable Energy Cyclotron Ctr, 1 AF Bidhannagar, Kolkata 700064, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 485卷

关键词：

Manganites; Magnetocaloric effect; Magnetism; ENHANCEMENT; CAPACITY;

D O I：

10.1016/j.jmmm.2019.04.086

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic and magnetocaloric effect of polycrystalline Pr-0.55(Ca0.75Sr0.25)(0.45)MnO3 compound have been studied extensively. Temperature dependent magnetization study reveals that the ferromagnetic transition takes place at T similar to 220 K and an antiferromagnetic transition appears at T similar to 150 K. Associated with the ferromagnetic and antiferromagnetic transition, large normal and inverse magnetocaloric effect of the polycrystalline Pr-0.55(Ca0.75Sr0.25)(0.45)MnO3 compound are observed. Magnetocaloric effect of that compound is addressed by considering the competing nature of ferromagnetic metallic and charge ordered antiferromagnetic insulating domains at the low temperature region.

引用

页码：224 / 227

页数：4

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