Physics – Condensed Matter – Superconductivity
Scientific paper
2010-08-02
Physics
Condensed Matter
Superconductivity
9 pages, 4 figures
Scientific paper
We report resistivity, Hall coefficient, current-voltage characteristics, and magneto-optical imaging measurements of epitaxial Co-doped BaFe_{2}As_{2} thin films deposited on MgO(001) substrate. The Hall resistivity of the films has a substantial contribution arising from anomalous Hall effect of ferromagnetic components. The critical current density (J_{c}) of the films is ~2 MA/cm^{2} at low temperatures. Differential magneto-optical images of the remanent state give similar J_{c} values and also exhibit presence of extended defects in the film.
Hiramatsu Hidenori
Hosono Hideo
Katase Takayoshi
Mohan Shyam
Nakajima Yasuyuki
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