CENI3-TYPE TERNARY PHASES IN THE R-NI-GA SYSTEMS (R-Y, PR, ND, SM, GD, TB, DY, HO, ER, TM, YB, LU)

被引：14
|
作者：
WASYLECHKO, LO [1 ]
GRIN, YN [1 ]
FEDORCHUK, AA [1 ]
机构：
[1] LVOV IVAN FRANKO STATE UNIV,INST INORGAN CHEM,LVOV 298005,UKRAINE
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1995年 / 219卷
关键词：
CRYSTAL STRUCTURE; LATTICE PARAMETERS; TERNARY PHASES; HOMOGENEITY RANGES; RESISTIVITY;
D O I：
10.1016/0925-8388(94)05040-6
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：
Ternary gallides RNi(3-x)Ga(x) (R equivalent to Y, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) have been investigated by means of Xray phase and structure analyses. The new compounds were all found to be isotypic; in the case of YNi2.5Ga0.5 the structure type was refined from powder diffraction data (CeNi3 type of structure, space group P6(3)/mmc, Z=6, R(I)=0.124). At 600 degrees C all the RNi(3-x)Ga(x) compounds have homogeneity ranges between x=0.12 and 1.00. The electrical properties of the DyNi2.68Ga0.32, HoNi2.2Ga0.8, TmNi2.44Ga0.56 and LuNi2.44Ga0.56 compounds were investigated in the temperature range 77 K<T<363 K. All of them have metallic-type conductivity.
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页码：222 / 224
页数：3
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