Volume 3, Issue 2, June 2018, Page: 19-24
Specific Heat and Entropy of a Three Electron Model in Bismuth Based Cuprate Superconductor
Odhiambo Oloo Jared, Department of Science Technology and Engineering, Faculty of Science, Kibabii University, Bungoma, Kenya
Makokha John Wanjala, Department of Science Technology and Engineering, Faculty of Science, Kibabii University, Bungoma, Kenya
Received: Mar. 27, 2018;       Accepted: May 2, 2018;       Published: Jun. 11, 2018
DOI: 10.11648/j.wjap.20180302.11      View  642      Downloads  31
Abstract
A theoretical study considering Bi2201, Bi2212 and Bi2223 bismuth based cuprates whose critical Temperatures (TC) are 20K, 95K and 110K with one, two and three CuO2 planes respectively; based on a three electron model in Bismuth based cuprates oxide shows that there is a direct correlation between energy of interaction and the number of CuO2 planes at the TC. The specific heat for a mole of Bismuth based cuprates at TC was found to be 7.471×10-24JK-1 regardless of the number of CuO2 planes; though the specific heat per unit mass, Sommerfeld coefficient as well as entropy per unit mass decreased with an increase in the number of CuO2 planes.The entropy of a mole of Bismuth based cuprates at TC was found to be 5.603×10-24JK-1 irrespective of the TC or mass. The peak Sommerfeld coefficient temperature was noted to occur at the ratio T/TC=0.66 in the bismuth based cuprates.
Keywords
Superconductivity, Sommerfeld Coefficient, Specific Heat, Entropy
To cite this article
Odhiambo Oloo Jared, Makokha John Wanjala, Specific Heat and Entropy of a Three Electron Model in Bismuth Based Cuprate Superconductor, World Journal of Applied Physics. Vol. 3, No. 2, 2018, pp. 19-24. doi: 10.11648/j.wjap.20180302.11
Copyright
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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