Erbium(III) telluride is an inorganic compound, one of the tellurides of erbium, with the chemical formula Er2Te3. It has a Sc2S3 structure, a space group of Fddd, a band gap of 0.77(5) eV, and semiconducting properties. It can be obtained by the reaction of erbium and telluriumMiller, J. F.; Himes, R. C. Rare earth intermetallic compounds with elements of Groups V and VI. Rare Earth Res., Seminar, Lake Arrowhead, Calif., 1960. 232-240. CAN: 58:58337. or the chemical vapor transport of erbium(III) chloride.
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