Journal
PHYSICA B-CONDENSED MATTER
Volume 325, Issue 1-4, Pages 46-56Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0921-4526(02)01429-1
Keywords
refractory metal compounds; transition-metal carbides; transition-metal nitrides; linearized augmented plane wave; first principle's calculation
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We have studied the structural and electronic properties of niobium nitride and niobium carbide by means of accurate first principle total energy calculations using the full-potential linearized augmented plane wave method. The calculations are based on density functional theory and we have used the local density approximation as well as the generalized gradient approximation for the exchange and correlation potential. We obtained reasonable results comparatively with the experimental data and other calculations. (C) 2002 Elsevier Science B.V. All rights reserved.
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