The reactivity of lattice nitrogen within the Ni2Mo3N and NiCoMo3N phases

Al Sobhi, S., Bion, N., Hargreaves, J. S.J. , Hector, A. L., Laassiri, S., Levason, W., Lodge, A. W., McFarlane, A. R. and Ritter, C. (2019) The reactivity of lattice nitrogen within the Ni2Mo3N and NiCoMo3N phases. Materials Research Bulletin, 118, 110519. (doi:10.1016/j.materresbull.2019.110519)

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Abstract

In this study, the reactivity of bulk lattice nitrogen within the filled β-Mn structured Ni2Mo3N phase has been investigated by application of powder neutron diffraction and heterolytic nitrogen isotopic exchange measurements. In contrast to Co3Mo3N, despite the similarity in the N immediate local environment comprising NMo6 octahedra, its reactivity is found to be limited and this lower reactivity was maintained upon the introduction of a significant proportion of cobalt to yield its filled β-Mn structured CoNiMo3N quaternary nitride counterpart.

Item Type:Articles
Additional Information:The authors thank the UK Engineering and Physical Sciences Research Council for support under EP/J018384/1, EP/J019208/1 and EP/L02537X/1, the government of Saudi Arabia for a scholarship to SAS and the Institut Laue Langevin (France) for D20 beam time under award 5-23-671.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Laassiri, Dr Said and Hargreaves, Professor Justin and McFarlane, Dr Andrew
Authors: Al Sobhi, S., Bion, N., Hargreaves, J. S.J., Hector, A. L., Laassiri, S., Levason, W., Lodge, A. W., McFarlane, A. R., and Ritter, C.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Materials Research Bulletin
Publisher:Elsevier
ISSN:0025-5408
ISSN (Online):1873-4227
Published Online:16 June 2019

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
591351Controlled ensemble size and elucidation of structure-sensitivity: a new approach in nitride catalysisJustin HargreavesEngineering and Physical Sciences Research Council (EPSRC)EP/J018384/1CHEM - CHEMISTRY
652781First principles design of novel ammonia synthesis catalystsJustin HargreavesEngineering and Physical Sciences Research Council (EPSRC)EP/L02537X/1CHEM - CHEMISTRY