Phase equilibria and crystal structure of the ternary compounds of the La-Ag-Ga system in the region up to 50.0 at.% of La | Zendy

Т. М. Крачан | Zendy; Bogdan STELMAKHOVYCH | Zendy

Open Access

Phase equilibria and crystal structure of the ternary compounds of the La-Ag-Ga system in the region up to 50.0 at.% of La

Author(s) -

Т. М. Крачан,

Bogdan STELMAKHOVYCH

Publication year - 2010

Publication title -

chemistry of metals and alloys

Language(s) - English

Resource type - Journals

eISSN - 1998-8087

pISSN - 1998-8079

DOI - 10.30970/cma3.0118

Subject(s) - intermetallic , ternary operation , crystal structure , crystallography , phase (matter) , phase diagram , ternary numeral system , materials science , structure type , diffraction , ternary compound , chemistry , metallurgy , inorganic chemistry , physics , optics , organic chemistry , computer science , programming language , alloy

Phase diagrams of the La–Ag–Ga system at 500° С (La content 0-50.0 at.%) and 300° С (La content 0-33.3 at.%) have been built using X-ray structure and phase analysis. The existence of the ternary ga llide LaAg1.0-0.5Ga3.0-3.5 (BaAl4-type) has been confirmed and the atomic coordinate s, displacement parameters and site occupancies have been determined. A new ternar y compound, La(Ag0.51Ga0.49)11 with BaHg11-type structure (space group Pmm, a = 0.87619(1) nm, wRp = 0.072), has been discovered at 300° С.

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