The system Ho–Ni–In at 870 K

نویسندگان

چکیده

The components interaction in the Ho–Ni–In system was investigated by X-ray powder diffraction and, partially, scanning electron microscopy with energy-dispersive spectroscopy. Isothermal section of phase diagram constructed full concentration range at 870 K. samples were synthesized an arc-furnace on a water-cooled Cu-plate under argon atmosphere and annealed silica tubes K for 720 h. analysis performed method. Twelve ternary compounds, namely HoNi 9 In 2 (YNi -type structure), Ho 4 Ni 11 0 (U Ga (MgCu Sn-type 10 20 (Ho 1.0-0.5 1.0-1.5 (ZrNiAl-type (Mn AlB 1.8 (Mo FeB 5 (Lu (Nd Pd 6 Co Ga-type ~ NiIn (unknown structure) і 13.35 3.17 3.48 14 3 exist temperature annealing. substitution observed 1.00-0.50 1.00-1.50 compound. Besides, can enter structure (CoSn-type compound leading to formation including subtraction type solid solution, which is stable up 8 at. % Ho. composition this solution be described formula 0-0 . 08 1-0 94 inclusion holmium indium atoms position (2 e ) simultaneous exclusion small amount from (1 takes place homogeneity solution. character between similar other related R – T –In ( rare earth yttrium subgroup). common feature all these systems existence large number isotypical compounds ZrNiAl-type including-subtraction solutions based binary NiIn. Ke y words: holmium, indium, compound, system, isothermal section.

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ژورنال

عنوان ژورنال: Vìsnik L?vìvs?kogo unìversitetu

سال: 2022

ISSN: ['2078-5615']

DOI: https://doi.org/10.30970/vch.6301.016