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We report on electrical and magnetic properties of polyaniline (PANI) nanotubes (∼150nm in diameter) and PANI/Fe 3 O 4 nanowires (∼140nm in diameter) containing Fe 3 O 4 nanoparticles with a typical size of 12nm. These systems were prepared by a template-free method. The conductivity of the nanostructures is 10 −1 –10 −2 S/cm; and the temperature dependent...
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