Study of devitrification of kinetically arrested magnetic phase and magnetocaloric effect for nanocrystalline Pr0.65(Ca0.7Sr0.3)0.35MnO3 compound

被引：2
|
作者：
Karikar, Amanulla [1 ]
Chatterjee, Soma [1 ]
Mazumdar, Dipak [1 ]
Das, Kalipada [2 ]
Das, I. [1 ]
机构：
[1] HBNI, CMP Div, Saha Inst Nucl Phys, AF Bidhannagar, Kolkata 700064, India
[2] Seth Anandram Jaipuria Coll, Dept Phys, 10 Raja Nabakrishna St, Kolkata 700005, India
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2022年 / 546卷
关键词：
Manganites; Magnetocaloric effect; Nanocrystalline compound; COLOSSAL MAGNETORESISTANCE; TRANSITION; SEPARATION; MANGANITE; FIELD;
D O I：
10.1016/j.jmmm.2021.168807
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic and magnetocaloric effect of nanocrystalline Pr-0.65(Ca0.7Sr0.3)(0.35)MnO3 compound have been investigated. In addition to the charge ordering and antiferromagnetic ground state, several fascinating physical properties were appear depending upon the controllable phase separation scenario. The different proportions of the magnetic phases appeared at the low temperature is directly related with the history of applied magnetic field and temperature. Moreover, the nucleation (arrested magnetic phase) and devitrification nature of magnetic phase were addressed considering different widths of the supercooling and kinetic arrest bands. Additionally, nanocrystalline compound exhibits the large inverse magnetocaloric effect at low temperature. The inverse magnetocaloric effect arises possibly due to the arrested antiferromagnetic phase of this compound.
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页数：6
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