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.
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收藏
页码：224 / 227
页数：4
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