Observation of a sharp lambda peak in the third harmonic voltage response of high-Tc superconductor thin films

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In this paper, we report on the sharp peak observed in the third harmonic voltage response generated by a bias sinusoidal current applied to several strips patterned in a YBa2Cu3O7-d thin film and in two La1-xSrxCuO4 thin films, when the temperature is close to the normal-superconductor transition. The lambda-shaped temperature dependence of the third harmonic signal on the current characteristics is studied. Several physical mechanisms of third harmonic generation are examined. PACS Code/Keywords: 74.25.Fy - Third harmonic response, Non-linear voltage response, High-Tc Superconductor.
14 pages, 10 Figures, submitted to EPJ B (November 2002)

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Superconductivity, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/18455

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0110632
 http://arxiv.org/abs/cond-mat/0110632

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arXiv