Gadolinium monosulfide is a binary inorganic compound of gadolinium and sulfur with the chemical formula GdS.
Synthesis
Heating stoichiometric amounts of pure substances in an inert atmosphere:
Gd + S → GdSAlso a reaction of gadolinium(III) oxide and gadolinium sesquisulphide can make it:3
Gd2O3 + 2Gd2S3 + 3C → 6GdS + 3COPhysical properties
Gadolinium monosulfide forms crystals of cubic system, space group Fm4m, unit cell parameter a = 0.5574 nm, Z = 4, isomorphous with NaCl.45
GdS melts congruently at 2300 °C.
References
"Gadolinium monosulfide". NIST. Retrieved 30 July 2024. https://webbook.nist.gov/cgi/formula?ID=C12134746 ↩
"Gadolinium Sulfide". American Elements. Retrieved 30 July 2024. https://www.americanelements.com/gadolinium-sulfide-12134-74-6 ↩
Peshev, P.; Bliznakov, G.; Toshev, A. (April 1968). "On the preparation and some physical properties of gadolinium sesquisulphide and gadolinium monosulphide". Journal of the Less Common Metals. 14 (4): 379–386. doi:10.1016/0022-5088(68)90161-6. Retrieved 30 July 2024. https://www.sciencedirect.com/science/article/abs/pii/0022508868901616 ↩
Predel, B. (1996). "Gd-S (Gadolinium-Sulfur)". Ga-Gd – Hf-Zr. Landolt-Börnstein - Group IV Physical Chemistry. f: 1–2. doi:10.1007/10501684_1447. ISBN 3-540-60344-1. 3-540-60344-1 ↩
Donnay, Joseph Désiré Hubert (1978). Crystal Data: Inorganic compounds 1967-1969. National Bureau of Standards. p. C-70. Retrieved 30 July 2024. https://books.google.com/books?id=QZkhAQAAMAAJ&dq=Gadolinium+monosulfide+GdS&pg=RA6-PA70 ↩