q-Gaussian analysis of the electronic behavior in polymethylmetacrylate

G. Cigdem Yalcin, Yani Skarlatos and K. Gediz Akdeniz

Chaos, Solitons & Fractals, 2013, vol. 57, issue C, 73-78

Abstract: The behavior of the electrical conductivity of polymethylmetacrylate (PMMA) thin films was examined with q-Gaussian analysis. To this effect, the time evolutions of Al–PMMA–Al thin films’ transient current data when subjected to an electric field at 295K, 303K and 313K temperatures were considered; and the fitted long tailed q-Gaussian curves of the probability density functions were compared with normal Gaussian distributions. The q-exponential fits are definitely in better agreement with the experimental data than the normal Gaussian distributions. Additionally, it was shown that when the temperature parameter increases, the q value decreases. To the extent that q values can be considered to indicate the degree of correlation in a system, this result confirms that when the q value decreases, the correlation among PMMA atoms declines.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:57:y:2013:i:c:p:73-78

DOI: 10.1016/j.chaos.2013.08.017

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