Tc enhancement by low energy electron irradiation and the influence of chain disorder on resistivity and Hall coefficient in YBa2Cu3O7 thin films

Sergey K. Tolpygo*, Jiunn-Yuan Lin, M. Gurvitch, S. Y. Hou, Julia M. Phillips

*此作品的通信作者

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27 引文 斯高帕斯(Scopus)

摘要

The effect of electron irradiation with incident energy (E ≤ 40 keV) lower than the threshold for displacement of in-plane atoms on Tc, resistivity and Hall coefficient has been studied on fully oxygenated YBa2Cu3O7-δ tin films. In contrast to the known Tc suppression at high-energy particle irradiation, an increase in Tc has been found as well as a factor of two increase in both the T-linear resistivity slope and the Hall coefficient as a function of radiation fluence. It has been shown that the changes observed in transport properties can be explained as being caused by disruption of the conductivity of CuO chains by radiation-induced chain oxygen defects.

原文English
頁(從 - 到)207-219
頁數13
期刊Physica C: Superconductivity and its applications
269
發行號3-4
DOIs
出版狀態Published - 1 10月 1996

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