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Synthesis of TiN, VN, and CrN from Ammonolysis of $TiS_2$, $VS_2$, and $Cr_2S_3\hspace{2mm}^1$

Herle, Subramanya P and Hegde, MS and Vasathacharya, NY and Philip, Sam and Rao, Rama MV and Sripathi, T (1997) Synthesis of TiN, VN, and CrN from Ammonolysis of $TiS_2$, $VS_2$, and $Cr_2S_3\hspace{2mm}^1$. In: Journal of Solid State Chemistry, 134 (1). pp. 120-127.

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A new route to synthesize pure TiN, VN, and CrN from the ammonolysis of $TiS_2$, $VS_2$, and $Cr_2S_3$ is described. Thermo-gravimetric analysis and temperature-programmed reaction (TPR) of $TiS_2$, $VS_2$, and $Cr_2S_3$ with ammonia are employed to understand the reaction pathway to nitride formation. X-ray photoelectron spectroscopic studies confirm the formation of pure nitride phases. Reactivity of these nitride powder toward oxidation was examined by TPR studies. Magnetic susceptibility measurements show that TiN is Pauli-paramagnetic and VN is weakly paramagnetic, whereas CrN shows a paramagnetic to antiferromagnetic transition at 280 K. Electrical conductivity measurements show TiN and VN are metallic, whereas CrN is semiconducting.

Item Type: Journal Article
Publication: Journal of Solid State Chemistry
Publisher: Academic Press
Additional Information: Copyright of this article belongs to Academic Press.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 18 Apr 2007
Last Modified: 19 Sep 2010 04:37
URI: http://eprints.iisc.ac.in/id/eprint/10693

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