Solid solution of Ni in ErB4 and its crystal structure

被引：2
作者：
Babizhetskyy, VS
Veremchuk, II
Chaban, NF
Kuz'ma, YB
机构：
[1] Ivan Franko Natl Univ Lviv, Dept Analyt Chem, UA-79005 Lvov, Ukraine
[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2004年 / 377卷 / 1-2期
关键词：
rare-earth boride; solid solution; crystal structure; rare-earth compounds; transition metal compounds; X-ray diffraction;
D O I：
10.1016/j.jallcom.2004.01.027
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The solubility of Ni in the ErB4 binary boride, up to the ErNi0.07B3.97 composition (space group P4/mbm, a = 0.70984(8) nm, c = 0.38938(6) nm) has been established using X-ray single-crystal method. In the ErB4 structure, the 0.28 Ni atoms additionally occupy the 2a crystallographic position which causes deficiency of the boron occupancy in the 4e position; R-F = 0.0298 for 281 independent reflections with F-0 > 4sigma(F-0). Such mode of the solid solubility for metal borides is revealed for the first time. (C) 2004 Elsevier B.V. All rights reserved.
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页码：117 / 120
页数：4
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