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Papers by Author: C. Wu

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Transport Properties in YBa₂Cu₄O₈/La_0.67Ca_0.33MnO₃ Multilayers

Authors: K. Zhao, L. Zhang, B.L. Liang, C. Wu, J.F. Feng, H.K. Wong

Abstract: Transport properties of YBa2Cu4O8 (YBCO)/La0.67Ca0.33MnO3 (LCMO) multilayers were studied. The metal-semiconductor transition temperature shows an oscillatory behavior with a period ~ 12 nm. In contrast to that for LCMO films, the magnetoresistance ratio for multilayers is enhanced and strongly depends on the thickness of the YBCO layer. These results imply that the magnetic spin interaction between the LCMO layers may exist through the normal-conductive YBCO layer.

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Ion Implantation Damage in Silicon Studied Using Slow Positrons, RBS and Infrared Absorption

Authors: P.J. Simpson, M. Vos, I.V. Mitchell, C. Wu, P.J. Schultz

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