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- Title
Ni<sub>2</sub>Mo<sub>3</sub>N: crystal structure, thermal properties, and catalytic activity for ammonia decomposition.
- Authors
Hund, Sophie; Gómez-Cápiro, Oscar; Ruland, Holger; Heppke, Eva M.; Lerch, Martin
- Abstract
Ni2Mo3N was synthesized by ammonolysis of NiMoO4, prepared by a sol-gel-based modified Pechini route. X-ray powder diffraction measurements confirmed that Ni2Mo3N crystallizes in a filled β-Mn type (cubic space group P4132) with a lattice parameter of a = 6.6338 Å. Group theoretical methods were applied to elucidate the relation between the crystal structure of Ni2Mo3N and that of the rock salt type. The high-temperature behavior was investigated in-situ by X-ray diffraction measurements in flowing ammonia gas at temperatures up to 875 °C. Ni2Mo3N exhibits significant catalytical activity for ammonia decomposition, which is critically discussed in comparison to literature.
- Subjects
CRYSTAL structure; CATALYTIC activity; THERMAL properties; X-ray powder diffraction; X-ray diffraction measurement; AMMONIA
- Publication
Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2024, Vol 79, Issue 4, p147
- ISSN
0932-0776
- Publication type
Article
- DOI
10.1515/znb-2023-0071