Modified Transition Temperature Equation for Superconductors

Parmeshwari 165, Vijaynagar Area, Hospital Road, Bhuj-Kutch, 370 001, Gujarat, India

Received Date: June 19, 2007

Published Date: May 31, 2008

Abstract

We present the replacement and modification of the Debye temperature θ_D by the average phonon frequency <ω> in the Rowell [Solid State Commun. 19 (1976) 1131] linear transition-temperature equation for superconducting materials. We not only improve Rowell's results but also describe the experimental results accurately and consistently for the various superconducting systems which cover the entire range of λ between 0.72 and 2.59. The proposed linear equation of the transition temperature T_C is found to be better and more accurate than those of Jain and Kachhava [Can. J. Phys. 58 (1980) 1614].

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