Inderscience Publishers

Electrical and thermal transport properties of magnetically aligned multi-walled carbon nanotubes spray coated on copper substrates

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A magnetic field was applied to multi-walled carbon nanotubes (MWNTs) decorated with Fe
3
O
4
nanoparticles while being spray coated on copper substrates to obtain a preferred orientation. The Fe
3
O
4
-MWNTs hybrid materials were aligned vertical or horizontal on the copper substrate and their electrical and thermal transport properties were investigated. The electrical and thermal transport properties showed that the vertical alignment of Fe
3
O
4
-MWNTs on the copper substrate was achieved, while the horizontal alignment was less successful.

Keywords: multi-walled carbon nanotubes, hybrid materials, magnetic field-induced alignment, electrical conductivity, thermal conductivity

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