Author:
Konyk M.,Romaka L.,Stadnyk Yu.,Romaka V.V.,Serkiz R.,Horyn A.
Abstract
The isothermal section of the phase diagram of the Er–Cr–Ge ternary system was constructed at 1070 K over the whole concentration range using X-ray diffractometry, metallography and electron microprobe (EPM) analysis. The interaction between the elements in the Er−Cr−Ge system results in the formation of two ternary compounds: ErCr6Ge6 (MgFe6Ge6-type, space group P6/mmm, Pearson symbol hP13; a = 5.15149(3), c = 8.26250(7) Ǻ; RBragg = 0.0493, RF = 0.0574) and ErCr1-хGe2 (CeNiSi2-type, space group Cmcm, Pearson symbol oS16, a = 4.10271(5), b = 15.66525(17), c = 3.99017(4) Ǻ; RBragg = 0.0473, RF = 0.0433) at investigated temperature. For the ErCr1-xGe2 compound, the homogeneity region was determined (ErCr0.28-0.38Ge2; a = 4.10271(5)-4.1418(9), b = 15.6652(1)-15.7581(4), c = 3.99017(4)-3.9291(1) Ǻ).
Publisher
Vasyl Stefanyk Precarpathian National University
Subject
Physical and Theoretical Chemistry,Condensed Matter Physics,General Materials Science
Cited by
1 articles.
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1. Phase equilibria in the Gd–Cr–Ge system at 1070 K;Physics and Chemistry of Solid State;2021-05-08