Metamagnetic Transition and Magnetocaloric Effect in La0.45Dy0.05Ca0.5Mn0.9V0.1O3 Compound

被引：0
|
作者：
M. Mansouri
H. Omrani
W. Cheikhrouhou-Koubaa
A. Cheikhrouhou
机构：
[1] Immanuel Kant Baltic Federal University,Center for Functionalized Magnetic Materials
[2] Digital Research Center of Sfax,LT2S Lab (LR16 CRNS 01)
来源：
Journal of Superconductivity and Novel Magnetism | 2017年 / 30卷
关键词：
Manganites; Metamagnetic transition; Magnetic entropy change; Relative cooling power; Magnetocaloric effect;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
La0.45Dy0.05Ca0.5Mn0.9V0.1O3, prepared by solid-state route, was characterized using x-ray diffraction at room temperature. The Rietveld refinement shows that the sample crystallizes in orthorhombic structure with Pbnm space group. A secondary phase LaVO4 has been also detected. The temperature dependence of the magnetization was investigated to determine the characteristics of the magnetic transition. The sample exhibits a paramagnetic-ferromagnetic transition (PM-FM) at TC = 81 ± 0.7 K when temperature decreases. The study of the inverse of susceptibility reveals the presence of ferromagnetic clusters in the paramagnetic region. A metamagnetic transition was observed from the M(H) curves and the magnetic entropy change was calculated from magnetization curves at different temperatures in order to evaluate the magnetocaloric effect.
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页码：3039 / 3044
页数：5
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