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(Color online) SEM image of (a) a CNT mat and (b) PMMA-i-CNT. (c) FTIR and (d) Raman spectra of CNT mat, PMMA, and PMMA-i-CNT.
(Color online) (a) Temperature dependency of ρ r, ρ l and anisotropy in resistivity and (b) Normalized ρ r and ρ l of a CNT mat. (c) ln ρl vs T −1 plot and (d) ln ρ r vs T −1/4 plot.
(Color online) Temperature dependency of (a) ρ r , ρ l , and ρ r /ρ l (inset) of PMMA-i-CNT, (b) ρ(T)/ρ(300). (c) ln[ρl (T)/ρl (300)] vs T −1/4. (d) ln[ρr (T)/ρr (300)] vs T −1/4 in the range 50 < T < 300 K and (e) ln[ρr (T)/ρr (300)] vs T in the range 1.4 < T < 50 K.
(Color online) MR in parallel and perpendicular direction (a and b) of a mat and (c and d) of PMMA-i-CNT.
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