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XPS C 1s spectra (a) and Raman spectra (b) of SWCNTs with the increasing manganese concentrations. The insets show the radial breathing mode and magnification of G-band shift.
HRTEM images of (a) pristine and (b) 4.1% Mn doped SWCNTs
Magnetization (M) vs temperature (T) for SWCNT and Mn doped SWCNT films in an applied field H = 3 kOe.
Magnetization vs magnetic field curves (M-T) of SWCNT films for different compositions at 10 K (a) and room temperature (b).
Temperature dependence of resistivity (ρ-T) for Mn doped SWCNT.
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