Transport properties of heavy-ion irradiated YBa 2Cu 3Ox thin films

J. H. Park, D. H. Kim, S. Y. Shim, Z. G. Khim, S. S. Choi, T. S. Hahn, J. D. Hettinger

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6 Scopus citations

Abstract

We studied the effect of heavy-ion irradiation on the transport properties of YBa 2Cu 3O x thin films. The films were grown on LaAlO 3 substrate by using laser ablation and were then irradiated by Sn ions with a dose equivalent to a 1-T vortex density. Half of the films was covered during irradiation so that direct comparison could be made. We found that the critical current density at 77 K increased after irradiation from 1.2 × 10 5 to 1.8 × 10 5 A/cm 2 in a 2-T field. The irreversibility line also showed a large shift to higher temperatures. The Hall- effect measurement revealed that the scaling behavior between the longotudinal and Hall resistivities, as well as the behavior of the Hall conductivity, had been modified after the heavy-ion irradiation.

Original languageEnglish (US)
Pages (from-to)389-392
Number of pages4
JournalJournal of the Korean Physical Society
Volume31
Issue number3
StatePublished - Dec 1 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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