Electronic configuration of vanadium carbide (VC)
Article Sidebar
Main Article Content
Abstract
In this paper we used renormalized free atom model to study the electronic configuration of vanadium carbide compound. The theoretical values were obtained after finding the values of each element separately and using the superposition model to find the best electronic arrangement. These results were compared with experimental values measured by using high energy (661.65 keV)ɣ-radiations from a 137Cs source. We observed two things, first; if half the density of the electronic momentum of the compound is concentrated in vanadium we get the electronic order (2s1-2p1.5)C+(3d+5.5-4s1)V. second, if full the density of the electronic momentum of the compound is concentrated in vanadium we got the electron order (2s1-2p0)C+(3d+7-4s1)V .The best results out of these were when the full electron transfer from carbon to vanadium occurs.
Article Details
This work is licensed under a Creative Commons Attribution 4.0 International License.
Tikrit Journal of Pure Science is licensed under the Creative Commons Attribution 4.0 International License, which allows users to copy, create extracts, abstracts, and new works from the article, alter and revise the article, and make commercial use of the article (including reuse and/or resale of the article by commercial entities), provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, indicates if changes were made, and the licensor is not represented as endorsing the use made of the work. The authors hold the copyright for their published work on the Tikrit J. Pure Sci. website, while Tikrit J. Pure Sci. is responsible for appreciate citation of their work, which is released under CC-BY-4.0, enabling the unrestricted use, distribution, and reproduction of an article in any medium, provided that the original work is properly cited.
References
[1]. L ,Lide, D, David R.," Handbook of Chemistry
and Physics" (87 ed.), Boca Raton, FL: CRC Press,
pp. 4–93 (1998).
[2]. PPM Jump UP. "Ceramic and Cermet Composite
Powders - PPM Ltd.". Retrieved 13 September 2016 .
[3]. Günter Bauer, Volker Güther, Hans Hess,
Andreas Otto, Oskar Roidl, Heinz Roller, Siegfried
Sattelberger "Vanadium and Vanadium Compounds"
in Ullmann's Encyclopedia of Industrial Chemistry,
2005, Wiley-VCH.
[4]. R. Hannink, M. Murry, "Elastic moduli
measurements of some cubic transition metal carbides
and alloyed carbides". Material Science. 9: 223–22.
(1974)
[5]. A.H. Compton, phys. 21, 483 (1923)
[6]. A.H. Compton, phys. 22, 409 (1923).
[7]. J. W. M. Du Mond. Phys. Rev. 33,643(1929).
[8]. J.W. M. Du Moud. And H. A. Kirkpatrik, Phys.
Rev. 52, 419(1937).
[9]. G. E. M. Jauncy, phys, Rev. 24,204(1924).
[10]. J. W. M. Dond. Phys. Rev. 33,643(1929).
[11]. K.F. Berggren, phys. Rev. B6 2156-61,(1972).
[12]. M .Chodorow, phys. Rev. 55,675,(1939).
[13]. B. Segall, phys. Rev. 125, 109,(1962).
[14]. L. Hodges, R.E. Watson, H. Ehrenreich, phys.
Rev. B5, 3953(1972).
[15]. C.D. Gelatt, H. Ehrenreich, R.E. Watson, phys.
Rev. B6,Vol. 15, No.4,1613-28 (1977).
[16]. H. Singh, Ph. D thesis (unpublished) submitted
to the university of Rajasthan (1986).
[17]. V.R. Saunders, R. Dovesi, C.roetti, R. Orlando,
C.M. Zicovich-Wilson, N. M. Harrison, K. Doll, B.
Civalleri, I. J. Bush, Ph. D ̉̉́́́́́̉̉́́́́́̉̉́́́́́̉̉́́́́́̉̉́́́́́
, Arco and M. Liunell,
CRYSTALO3 User Manual, University of Torino,
Torino(2003).
[18]. S.Berko, and J.S. Plasket.,"electron oh
annihilation radiation in oriented single metal
crystals", Phys. Rev. 112,1423.(1990).
[19]. J.P. Perdew, K. Burke, M. Ernzerhof. Phys.
Rev. Lett.,77:3865.(1996).
[20]. B. Hammer, L. B. Hansen, J. K. Norskov."
Improved adsorptiov energetic within densityfunctional
theory using revised perdew-Burke-
Emzerhof functionals". Phys. Rev.B,59: 7413(1999)
[21]. Ritu Joshi, Jagrati Sahariya, B.L. Ahuja (2011) ̋
Compton scattering study and electronic properties of
vanadium carbide ̏.