CRYSTAL-CHEMISTRY OF COMPOSITIONS (M1A-(X-2Y)CLASSX-2Y)(M1B-X-YLNXCLASSY)2LN6O12 (MA, MB = BA, SR, CA, LN = IN, SC, Y, LANTHANIDE)

被引：0
|
作者：
HINTZEN, HT
KINNEGING, AJ
机构：
[1] Philips Research Laboratories, P.O. Box 80000
来源：
JOURNAL OF THE LESS-COMMON METALS | 1990年 / 161卷 / 02期
关键词：
D O I：
10.1016/0022-5088(90)90044-K
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：
Crystallographic data of compositions {M1-(x-2y)a□x-2y}{M1-x-ybLnx□y}2Ln6O12 with Ma, Mb ≡ Ba, Sr, Ca and Ln ≡ In, Sc, Y or lanthanide are compared, a' is defined as the a axis scaled to one Ln6O12 unit per cell. The a' and c axes as well as the c a' ratio are considered as a function of Ma, Mb Ln, x and y. From this systematic approach we found a criterion for the c a' ratio of all existing compounds, i.e. c a' ≤ 0.331. © 1990.
引用
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页码：331 / 336
页数：6
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