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Electronic properties of liquid K and Cs metals and their binary alloys

S. DENIZ KORKMAZ1,* , Ş. KORKMAZ2, E. TERKEN3

Affiliation

  1. ESOGU, Education Faculty, Elementary Education Department, Meşelik Campus 26480 Eskişehir-Turkiye
  2. ESOGU, Arts and Sciences Faculty, Physics Department, Meşelik Campus 26480 Eskişehir-Turkiye
  3. ESOGU, Graduate School of Applied and Natural Sciences, Meşelik Campus 26480 Eskişehir-Turkiye

Abstract

A model potential which is derived from second order pseudopotential perturbation theory with the transferable electron-ion potential of Fiolhais and co-workers which was originally developed for the solid state is used for the comparative study of electrical resistivity of for liquid K, Rb, and Cs metals and liquid K-Cs and K-Rb alloys. In the present study electrical resistivity of liquid K, Rb, and Cs metals and liquid K-Cs and K-Rb alloys have been calculated using Ziman’s formula, and modified Ziman’s formula suggested by Ferraz-March and used by Khajil and Tomak (self consistent approximation). Previously no one has reported such comparative study using that pseudopotentials. In the electrical resistivity calculation we have used structure factor derived from the solution of Ornstein–Zernike equation with Rogers-Young closure. From present investigation it is found that self consistent formulation results are better than that of Ziman’s formula. A successful application is evidence that our potential can predict physical properties of K-Cs and K-Rb alloys as well as K, Rb and Cs metals.

Keywords

Liquid metals and alloys, Pseudopotentials, Structure factor, Electronic transport properties, Ziman formula, Modified Ziman formula (self consistent approach).

Citation

S. DENIZ KORKMAZ, Ş. KORKMAZ, E. TERKEN, Electronic properties of liquid K and Cs metals and their binary alloys, Optoelectronics and Advanced Materials - Rapid Communications, 3, 8, August 2009, pp.827-830 (2009).

Submitted at: May 13, 2009

Accepted at: July 31, 2009