Vanadium nitride
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| Names | |
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| IUPAC name
Vanadium nitride
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| Other names
Vanadium(III) nitride
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| Identifiers | |
3D model (JSmol)
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| E number | Lua error in Module:Wikidata at line 880: attempt to index field 'wikibase' (a nil value). |
PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| VN | |
| Molar mass | 64.9482 g/mol |
| Appearance | black powder |
| Density | 6.13 g/cm3 |
| Melting point | 2,050 °C (3,720 °F; 2,320 K) |
| Structure | |
| cubic, cF8 | |
| Fm3m, No. 225 | |
| Hazards | |
| GHS labelling: | |
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| Warning | |
| H302, H312, H332 | |
| P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P501 | |
| Flash point | Non-flammable |
| Related compounds | |
Other anions
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vanadium(III) oxide, vanadium carbide |
Other cations
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titanium nitride, chromium(III) nitride, niobium nitride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Vanadium nitride, VN, is a chemical compound of vanadium and nitrogen.
Vanadium nitride is formed during the nitriding of steel and increases wear resistance.[1] Another phase, V2N, also referred to as vanadium nitride, can be formed along with VN during nitriding.[2] VN has a cubic, rock-salt structure. There is also a low-temperature form, which contains V4 clusters.[3] The low-temperature phase results from a dynamic instability, when the energy of vibrational modes in the high-temperature NaCl-structure phase, are reduced below zero.[4]
It is a strong-coupled superconductor.[5] Nanocrystalline vanadium nitride has been claimed to have potential for use in supercapacitors.[6] The properties of vanadium nitride depend sensitively on the stoichiometry of the material.[7]
References
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- ^ Thermo reactive diffusion vanadium nitride coatings on AISI 1020 steel U.Sen Key Engineering Materials vols 264-268 (2004),577
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