Magnetic properties of lithium-based spinels Li(Ni_xCo_2−x)O₄

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• 作者：Pe&ntilde ; a ; O. ; Bodenez ; V. ; Guizouarn ; T. ; Meza ; E. ; Gautier ; J.L.
• 关键词：75.30.Et ; 75.40.Cx ; 75.50.Cc ; Magnetic spinels ; Substitution effects ; Lithium cobalt oxides ; Li(Ni_xCo_2&minus ; x)O₄
• 刊名：Journal of Magnetism and Magnetic Materials
• 出版年：2004
• 期刊代码：31_03048853
• 类别：ph
• 出版时间：May, 2004
• 卷：272-276
• 期：Supplement
• 页码：E1579-E1580
• 文件大小：172 K

摘要

We report on the magnetic properties of the solid solution Li(Ni_xCo_2−x)O₄ (0≤x≤1.0). LiCo₂O₄ behaves as an antiferromagnet (T_N ter border=0 SRC=/images/glyphs/BQ1.GIF> 35K). The nickel substitution affects the antiferromagnetic interactions, first lowering T_N (22 and 25K, at x