New Mg-based antiperovskites PnNMg3 (Pn = As, Sb)

被引：63
作者：
Chi, EO
Kim, WS
Hur, NH
Jung, D
机构：
[1] Korea Res Inst Stand & Sci, Ctr CMR Mat, Taejon 305600, South Korea
[2] Wonkwang Univ, Dept Chem, Iksan 570749, Jeonbuk, South Korea
来源：
SOLID STATE COMMUNICATIONS | 2002年 / 121卷 / 6-7期
关键词：
pnictides; ASNMg(3); SbNMg3; chemical synthesis; crystal structure and symmetry;
D O I：
10.1016/S0038-1098(02)00011-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report the structural, transport, and magnetic properties of new Mg-based pnictogen compounds PnNMg(3) (Pn = As, Sb), which are prepared from the reaction of pnictogen and Mg3N2 at 800 degreesC. Both compounds crystallize in the ideal cubic perovskite structure without showing any structural distortion. From the comprehensive characterizations the bonding character of SbNMg3 is found to be ionic. Both antimony and nitrogen in SbNMg3 have the unusual oxidation state of 3 -. This ionic picture agrees well with the electronic structure obtained by band structure calculation. (C) 2002 Published by Elsevier Science Ltd.
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页码：309 / 312
页数：4
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