Thulium nitride is a binary inorganic compound of thulium and nitrogen with the chemical formula TmN. It can be prepared by reacting thulium amalgam with nitrogen at high temperature.[1]
^Martin Kirchner, Walter Schnelle, Frank R. Wagner, Rainer Niewa. Preparation, crystal structure and physical properties of ternary compounds (R3N)In, R=rare-earth metal. Solid State Sciences, 2003. 1247-1257. doi:10.1016/S1293-2558(03)00151-1