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for all CNT doped and undoped wires as a function of sintering temperature. was defined as the onset temperature at which diamagnetic properties were observed.
for MWCNT and SWCNT doped wires sintered at various temperatures for . A curve of an undoped wire is also shown for comparison and reference.
Temperature dependence of normalized for all CNT doped and undoped wires sintered at for . The for SiC doped samples are also shown for comparison (Ref. 15).
TEM images for (a) , (b) SWCNT, and (c) doped wires sintered at for with the nominal composition of .
Specifications of , , and SWCNT.
Lattice parameters, actual C substitution (Ref. 14) (extrapolation from measured lattice parameters), and resistivities of all CNT doped and undoped wires sintered at for with a starting composition of .
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