Phase equilibria in the ternary system Ce–Ti–Sn at 600°C

Chem. Met. Alloys 8 (2015) 106-111

https://doi.org/10.30970/cma8.0329

Oleksandr SENCHUK, Yaroslav TOKAYCHUK, Pavlo DEMCHENKO, Roman GLADYSHEVSKII

The isothermal section of the phase diagram of the ternary system Ce–Ti–Sn was constructed in the whole concentration range at 600°C by means of X-ray powder diffraction. The binary compounds of the systems Ce–Sn and Ti–Sn dissolve negligible amounts of the third component. Two ternary compounds, CeTi₆Sn₄ and ~Ce₃TiSn₅, were found. The crystal structure of the compound CeTi₆Sn₄ belongs to the structure type ZrFe₆Ge₄ (Pearson symbol hR33, space group R-3m, a = 5.8101(11), c = 22.971(5) Å). It completes the row of isotypic RTi₆Sn₄ compounds with ZrFe₆Ge₄-type structure (R = Y, La-Nd, Sm, Gd-Tm, Lu).

Isothermal section of the phase diagram of the system Ce–Ti–Sn at 600°C

Keywords

Cerium / Titanium / Tin / X-ray powder diffraction / Phase diagram / Crystal structure