Vanadium nitride explained

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]

Notes and References

  1. 10.1016/j.surfcoat.2005.09.026. Study of the wear behavior of ion nitrided steels with different vanadium contents. 2006. Munozriofano, R . Casteletti, L . Nascente, P . Surface and Coatings Technology. 200. 6101. 20–21.
  2. Thermo reactive diffusion vanadium nitride coatings on AISI 1020 steel U.Sen Key Engineering Materials vols 264-268 (2004),577
  3. 10.1103/PhysRevB.38.12908. Structural phase transition at 205 K in stoichiometric vanadium nitride. 1988. Kubel, F. . Lengauer, W. . Yvon, K. . Junod, A. . Physical Review B. 38. 12908–12912. 18. 9946260 . 1988PhRvB..3812908K .
  4. 10.1103/PhysRevB.91.054101. Dynamic and structural stability of cubic vanadium nitride . 2015. A. B. Mei . O. Hellman . N. Wireklint . C. M. Schlepütz . D. G. Sangiovanni . B. Alling . A. Rockett . L. Hultman . I. Petrov. Ivan Georgiev Petrov . J. E. Greene . J. E. Greene . amp . Physical Review B. 91. 054101. 5. free . 2015PhRvB..91e4101M .
  5. 10.1103/PhysRevB.29.6198. Superconducting and normal-state properties of vanadium nitride. 1984. Zhao, B. R. . Chen, L. . Luo, H. L. . Mullin, D. P. . Physical Review B. 29. 6198. 11. 1984PhRvB..29.6198Z .
  6. 10.1002/adma.200502471. Fast and Reversible Surface Redox Reaction in Nanocrystalline Vanadium Nitride Supercapacitors. 2006. Choi, D. . Blomgren, G. E. . Kumta, P. N. . Advanced Materials. 18. 1178. 9. 2006AdM....18.1178C . 96858834 .
  7. Mei. A. B.. Tuteja. M.. Sangiovanni. D. G.. Haasch. R. T.. Rockett. A.. Hultman. L.. Petrov. I.. Greene. J. E.. 2016-08-25. Growth, nanostructure, and optical properties of epitaxial VNx/MgO(001) (0.80 ≤ x ≤ 1.00) layers deposited by reactive magnetron sputtering. Journal of Materials Chemistry C. en. 4. 34. 7924–7938. 10.1039/C6TC02289H. 2050-7534.

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