Insight into structural, electronic, magnetic and elastic properties of full-Heusler alloys Co2YPb (Y = Ti, V, Fe and Mo): A first-principles study
A. Zitouni+, G. Remil+, B. Bouadjemi+, W. Benstaali+, T. Lantri+, M. Matougui+, M. Houari+, Z. Aziz+, S. Bentata+*
+Laboratory of Technology and of Solids Properties, Abdelhamid Ibn Badis University, 27000 Mostaganem, Algeria
*Laboratory of Quantum Physics of Matter and Mathematical Modeling (LPQ3M), Mustapha Stambouli University of Mascara, 29000 Mascara, Algeria
Abstract
We have studied the structural, electronic, magnetic and elastic properties of full-Heusler
alloys Co2YPb
(Y = Ti, V, Fe and Mo) with the help of first principles calculation using
Full Potential-Linearized Augmented Plane Wave (FP-LAPW) method which is
based on density functional theory (DFT) implemented in the wien2k code with Generalized Gradient
Approximation (GGA). For exchange and correlation potential, we have applied a modified version of the
potential proposed by Becke-Johnson (mBJ) to our compounds in order to improve the band-gaps and
approach them for experimental results. Electronic and magnetic properties show that the full-Heusler
Co2YPb (Y = Ti, V, Fe and Mo) are half-metallic ferromagnetic (HMF) compounds. Elastic properties
indicate that Co2YPb is mechanically stable and each compound is ductile in nature.