Samarium antimonide is a binary inorganic compound of samarium and antimony with the formula SmSb. It forms crystals.
Preparation Samarium antimonide can be prepared by heating samarium and antimony in a vacuum:
S m + S b → 1922 o C S m S b {\displaystyle {\mathsf {Sm+Sb\ {\xrightarrow {1922^{o}C}}\ SmSb}}}
Physical properties Samarium antimonide forms cubic crystals, space group Fm3m, cell parameters a = 0.6271 nm, Z = 4, and structure like sodium chloride. The compound melts congruently at a temperature of ≈2000 °C or 1922 °C.
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