Marinite Li2M(SO4)2 (M = Co, Fe, Mn) and Li1Fe(SO4)2: Model Compounds for Super-Super-Exchange Magnetic Interactions

被引:47
作者
Reynaud, Marine [1 ]
Rousse, Gwenaelle [2 ]
Chotard, Jean-Noel [1 ]
Rodriguez-Carvajal, Juan [3 ]
Tarascon, Jean-Marie [1 ]
机构
[1] Univ Picardie Jules Verne, CNRS, UMR 7314, LRCS, F-80039 Amiens, France
[2] Univ Paris 06, CNRS, IMPMC, UMR 7590, F-75252 Paris 05, France
[3] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
关键词
NEUTRON-DIFFRACTION TECHNIQUES; POSITIVE-ELECTRODE MATERIAL; TRIPLITE STRUCTURE; CRYSTAL-STRUCTURE; ION BATTERIES; GROUND-STATE; NUCLEAR; NI; LI; SUSCEPTIBILITY;
D O I
10.1021/ic401280e
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New materials initially designed for battery electrodes are often of interest for magnetic study, because their chemical compositions include 3d transition metals. We report here on the magnetic properties of marinite phases Li2M(SO4)(2) (M = Fe, Co, Mn) and Li1Fe(SO4)(2), which all order antiferromagnetically at low temperature. From neutron powder diffraction, we propose a model for their ground-state magnetic structures. The magnetism of marinite Li2M(SO4)(2) compounds unambiguously results from super-super-exchange interactions; therefore, these materials can be considered as a model case for which the Goodenough-Kanamori-Anderson rules can be tested.
引用
收藏
页码:10456 / 10466
页数:11
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