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Biaxially textured cobalt-doped films with high critical current density over on MgO-buffered metal-tape flexible substrates
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Cross-sectional FE-SEM image of film directly grown on IBAD-MgO-buffered metal-tape substrate with . (b) Out-of-plane XRD patterns of (i) epitaxial film grown on MgO single-crystal substrate (Film/sc-MgO), (ii) that on IBAD substrate with (Film/IBAD), and (iii) bare IBAD substrate. Inset figure in (ii) shows an out-of-plane rocking curve of the 004 diffraction of a film on the IBAD substrate and the inset in (iii) illustrates the structure of IBAD substrate. (c) XRD pole-figure scans of the 103 (top panel) and the MgO 022 diffractions (bottom panel) for Film/IBAD with . (d) The relationship between of the 103 diffraction of the top and of the 022 diffraction of the MgO base-layer. The of Film/sc-MgO with is also shown by a triangle for comparison.

Image of FIG. 2.
FIG. 2.

of Film/IBAD (circles) and Film/sc-MgO (triangles). Inset figure shows the characteristics at 2 K of Film/IBAD with (left) , (middle) 6.1°, and (right) 5.5°.

Image of FIG. 3.
FIG. 3.

(a) Magnetic field dependences of at 4 K (circles) and 12 K (triangles) of Film/IBAD with (shown by red lines) and Film/sc-MgO (blue lines). (b) measured in and at temperatures of 4, 12, 16, and 18 K indicated by red, orange, green, and blue lines, respectively. Closed and open symbols correspond to and , respectively. Inset shows pinning force density as a function of applied parallel to the -axis at 4–18 K. The arrows in the inset show the positions.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Biaxially textured cobalt-doped BaFe2As2 films with high critical current density over 1 MA/cm2 on MgO-buffered metal-tape flexible substrates