Effect of short range order on electronic and magnetic properties of disordered Co based alloys
Subhradip Ghosh, Chhanda Basu Chaudhuri, Biplab Sanyal, Abhijit Mookerjee
Abstract
We here study electronic structure and magnetic properties of disordered CoPd and CoPt alloys using Augmented Space Recursion technique coupled with the tight-binding linearized muffin tin orbital (TB-LMTO) method. Effect of short range ordering present in disordered phase of alloys on electronic and magnetic properties has been discussed. We present results for magnetic moments, Curie temperatures and electronic band energies with varying degrees of short range order for different concentrations of Co and try to understand and compare the magnetic properties and ordering phenomena in these systems.
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