Yttrium(III) antimonide (YSb) is an inorganic chemical compound.
Yttrium antimonide is an intermetallic compound with the chemical formula YSb. It has a NaCl-type structure and is stable in the air.Zhuravlev, N. N.; Smirnova, E. M. X-ray determination of the structure of YBi and YSb. Kristallografiya, 1962. 7: 787-788. . Its thermal expansion coefficient (α, 10−6/°) is 11.1.Samsonov, G. V.; Abdusalyamova, M. N.; Shokirov, Kh. Thermal expansion of rare earth metal monoantimonides. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, 1974. 10 (5): 923-924. .
It can be produced by the high-temperature reaction of sodium antimonide and anhydrous yttrium chloride:
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