Effect of non-stoichiometry on the structural, magnetic and magnetocaloric properties of La0.67Ca0.33Mn1+未O3 manganites
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- 作者：G.F. Wanga ; Z.R. Zhaob ; zzr2000265@163.com" class="auth_mail" title="E-mail the corresponding author ; L.R. Lib ; X.F. Zhanga ; b ; xuefeng056@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Non-stoichiometry ; Manganite ; Magnetocaloric effect
- 刊名：Journal of Magnetism and Magnetic Materials
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：397
- 期：Complete
- 页码：198-204
- 全文大小：2529 K
文摘
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Structural and magnetic properties of La0.67Ca0.33Mn1+未O3 manganites were studied.
The manganites with deficient and excessive Mn crystallized in the same orthorhombic structure.
The concentration of Mn has important influences on the magnetic properties.
The manganites exhibit significant magnetocaloric effect in broad temperature range.
The magnetocaloric effect of the manganites can be interpreted by Landau model.