Abstract
Phase relationships in the Ge-Mn-Ti ternary system have been studied through alloy samples approach. Assisted with Electron Probe Microanalysis (EPMA) and X-ray diffraction (XRD) techniques, isothermal sections at 973K, 1073K and 1173K of this system were constructed and existence of 2 ternary phases, i.e. GeMnTi and Ge2MnTi, were confirmed. In addition, remarkable ternary solubilities in some binary compounds were detected, e.g. Ge in Mn2Ti and Mn in Ge5Ti6 can be up to 15at% and 50at% at 1173K, respectively. Furthermore, the substitution of Ti by Mn atoms in Ge5Ti6 was confirmed with Rietveld refinement results of solid solutions, Ge5(Mn0.30Ti0.70)6 and Ge5(Mn0.67Ti0.33)6.
Published Version
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