Covalent exchange vs superexchange in two nickel oxides

被引:35
作者
Goodenough, JB
机构
关键词
D O I
10.1006/jssc.1996.0366
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
It is pointed out that the peculiar antiferromagnetic order found in NdNiO3 and the ferromagnetic coupling of the Ni2+ in the Li layers of Li1-xNi1+xO2, x less than or equal to 0.08, to the ferromagnetic NiO2 sheets can be accounted for by a shift of the Ni3+-O2-=Ni2+-O- equilibrium to the right, which introduces a magnetic coupling carrying the sign of covalent exchange rather than superexchange. (C) 1996 Academic Press, Inc.
引用
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页码:126 / 127
页数:2
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