Magnetic oxides of spinel structure: Study of Co_xCu_yMn_zO₄ and Mg_xNi_yMn_zO₄ manganites (x+y+z=3)

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• 作者：O. Peñ ; a ; C. Aucher ; T. Guizouarn ; P. Barahona ; P.N. Lisboa-Filho and C. Moure
• 关键词：Magnetic oxides ; Ferrimagnetism ; Spinels
• 刊名：Physica B
• 出版年：2006
• 期刊代码：53_09214526
• 类别：ph
• 出版时间：1 October 2006
• 卷：384
• 期：1-2
• 页码：94-96
• 文件大小：165 K

摘要

Systematic studies in manganites of spinel structure have been undertaken. We report on the magnetic properties of two particular cases, in which one of the transition metals, Mg²⁺, is non-magnetic (NiMg_xMn_2–xO₄) or presents a stable oxidation state, Cu²⁺ (Co_xCu_yMn_zO₄, x+y+z