Effect of the irradiation of Au ions on the negative Hall resistivity for YBCO films

J. G. Lin, C. Y. Huang, L. M. Wang, H. M. Cho, H. C. Yang, H. E. Horng, C. W. Wang, E. K. Lin, Y. C. Yu

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    1 Citation (Scopus)

    Abstract

    The temperature dependence of longitudinal and transversal resistivities (ρ{variant}xx(T) and ρ{variant}xy (T), respectively) near the transition region for YBCO films have been measured before and after the irradiation of Au ions. Our results show that the peak value of the negative ρ{variant}xy increases significantly at 0.5 T but remains nearly the same at 4 T after the irradiation. The power law of [ρ{variant}xy = ρ{variant}xxα] has been extracted for our films, with α ranging from 0.9 to 1.6. There is no correlation found between the magnitude of negative ρ{variant}xy and the α values. The field dependence of the irradiation effect on ρ{variant}xy(T) suggests a complicated interplay between the magnetic field and the defects on the mechanism of the anomalous Hall effect.

    Original languageEnglish
    Pages (from-to)177-182
    Number of pages6
    JournalPhysica C: Superconductivity and its applications
    Volume243
    Issue number1-2
    DOIs
    Publication statusPublished - 1995 Feb 20

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Energy Engineering and Power Technology
    • Electrical and Electronic Engineering

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