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Dependence of critical temperature on carrier density in NdFeAsO1−y using BCS theory

I. N. ASKERZADE1,2,* , R. T. TAGIYEVA2, N. GUCLU3

Affiliation

  1. Computer Engineering Department and Center of Excellence of Superconductivity Research, Ankara University, Ankara, 06100, Turkey
  2. Institute of Physics Azerbaijan National Academy of Sciences, Baku, Az1143, Azerbaijan
  3. Necmettin Erbakan University, Physics Education Department, Konya, Turkey

Abstract

This study addresses the influence of the carrier density on the critical temperature of layered superconductors by using the real dependence of density of states on energy in the framework of ordinary Bardeen-Cooper-Schrieffer (BCS) model. It is shown that such a model is in good agreement to obtain experimental data for new NdFeAsO1−y superconductors..

Keywords

Fe based superconductors, BCS theory, Carrier density, Density of states, Critical temperature.

Citation

I. N. ASKERZADE, R. T. TAGIYEVA, N. GUCLU, Dependence of critical temperature on carrier density in NdFeAsO1−y using BCS theory, Optoelectronics and Advanced Materials - Rapid Communications, 7, 3-4, March-April 2013, pp.276-278 (2013).

Submitted at: Oct. 23, 2012

Accepted at: April 11, 2013