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The combined influence of connectivity and disorder on and performances in
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10.1063/1.3253757
W. X. Li1,2, R. Zeng1, L. Lu1, Y. Li2 and S. X. Dou1,a)
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Affiliations:
1 Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, New South Wales 2522, Australia
2 School of Materials Science and Technology, Shanghai University, 149 Yanchang Road, Shanghai 200072, China
a) Author to whom correspondence should be addressed. Electronic mail: shi@uow.edu.au.
J. Appl. Phys. 106, 093906 (2009)
/content/aip/journal/jap/106/9/10.1063/1.3253757
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/9/10.1063/1.3253757

## Figures

FIG. 1.

XRD patterns of the cores in the iron clad wires of , , and (, 1.15, 1.20, 1.25, and 1.30) sintered at for 30 min.

FIG. 2.

A double-logarithmic plot of estimated from the Bean model for , , and (, 1.15, 1.20, 1.25, and 1.30) wires at 5 and 20 K. The magnetic transformation behaviors are shown in the inset.

FIG. 3.

SEM images of (a), (b), (c), (d), (e), (f), and (g).

FIG. 4.

Temperature dependence of resistivity curves of , , and (, 1.15, 1.20, 1.25, and 1.30).

FIG. 5.

Comparisons of (a) and (b) of , , and (, 1.15, 1.20, 1.25, and 1.30).

FIG. 6.

Comparisons of the dependence of for , , and (, 1.15, 1.20, 1.25, and 1.30).

FIG. 7.

Ambient Raman spectra of , , and (, 1.15, 1.20, 1.25, and 1.30) fitted with three peaks: , , and . The dashed line indicates the vibration of the mode with different components.

FIG. 8.

Fitted parameters of Raman shifts for (a) and (b), and FWHMs for (c) and (d). The sample labels are defined as A for , B for , C for , D for , E for , F for , and G for .

FIG. 9.

Calculated coupling constants of electron-, , based on the Raman shifts and FWHMs of according to the Allen equation. The sample labels are defined as A for , B for , C for , D for , E for , F for , and G for . The inset shows the calculated total EPC constants, , according to the McMillan formula.

## Tables

Table I.

Comparison of onset transition temperature , transition width , the lengths of the -axis and -axis parameters, the C substitution contents, the DOS , the resistivity values at 40 and 300 K, , and the active area fraction for iron-clad wires of , , and (, 1.20, 1.25, and 1.30) sintered at for 30 min.

/content/aip/journal/jap/106/9/10.1063/1.3253757
2009-11-06
2014-04-21

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