Magnetic properties of X-Pt (X=Fe,Co,Ni) alloy systems

Details Magnetic properties of X-Pt (X=Fe,Co,Ni) alloy systems Magnetic properties of X-Pt (X=Fe,Co,Ni) alloy systems

2003-12-09

arxiv.org/abs/cond-mat/0312215v2

Physics

Condensed Matter

Materials Science

21 pages, 4 eps figures, accepted for publication in Journal of Physics Condensed Matter

Scientific paper

10.1088/0953-8984/16/13/012

We have studied the electronic and magnetic properties of Fe-Pt, Co-Pt and Ni-Pt alloy systems in ordered and disordered phases. The influence of various exchange-correlation functionals on values of equilibrium lattice parameters and magnetic moments in ordered Fe-Pt, Co-Pt and Ni-Pt alloys have been studied using linearized muffin-tin orbital method. The electronic structure calculations for the disordered alloys have been carried out using augmented space recursion technique in the framework of tight binding linearized muffin-tin orbital method. The effect of short range order has also been studied in the disordered phase of these systems. The results show good agreements with available experimental values.

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