Electric field effect on epitaxial YBa2Cu3O7-x thin films

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Joosse, K. and Boguslavskij, Yu.M. and Gerritsma, G.J. and Rogalla, H. (1994) Electric field effect on epitaxial YBa2Cu3O7-x thin films. Physica B: Condensed Matter, 194-19 (1). pp. 83-84. ISSN 0921-4526

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Abstract:By applying a strong electric field perpendicular to the surface of an ultrathin, highly uniform epitaxial YBa2Cu3O7¿x film, the critical current was depressed and enhanced over 20% at temperatures close to Tc, and 5% at lower temperatures. Careful analysis of the electric field dependent I-V characteristics and Arrhenius plots indicate that the electric field effect can be interpreted as a change in the pinning potential and/or the vortex-antivortex interaction potential in the Kosterlitz-Thouless regime, as a result of a change in the carrier density in the superconductor.
Item Type:Article
Copyright:© 1994 Elsevier Science
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/23762
Official URL:http://dx.doi.org/10.1016/0921-4526(94)90371-9
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Metis ID: 128561