Optical properties of random alloys : Application to Cu_{50}Au_{50} and Ni_{50}Pt_{50}

Details Optical properties of random alloys : Application to Cu_{50}Au_{50} and Ni_{50}Pt_{50} Optical properties of random alloys : Application to Cu_{50}Au_{50} and Ni_{50}Pt_{50}

2004-11-10

arxiv.org/abs/cond-mat/0411251v1

Physics

Condensed Matter

Materials Science

5 pages, 7 figures

Scientific paper

10.1088/0953-8984/17/28/014

In an earlier paper [K. K. Saha and A. Mookerjee, Phys. Rev. B 70 (2004) (in press) or, cond-mat/0403456] we had presented a formulation for the calculation of the configuration-averaged optical conductivity in random alloys. Our formulation is based on the augmented-space theorem introduced by one of us [A. Mookerjee, J. Phys. C: Solid State Phys. 6, 1340 (1973)]. In this communication we shall combine our formulation with the tight-binding linear muffin-tin orbitals (TB-LMTO) technique to study the optical conductivities of two alloys Cu_{50}Au_{50} and Ni_{50}Pt_{50}.

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