Matches in SemOpenAlex for { <https://semopenalex.org/work/W1974181182> ?p ?o ?g. }
- W1974181182 abstract "Completely doped submicrotubes (90--560 nm in diameter) of conducting polyaniline and polypyrrole have been synthesized by a template-free method. The measurements of resistivity, $Itext{ensuremath{-}}V$ curve and magnetoresistance of single polyaniline tube by a standard four-probe technique are presented. Due to the elimination of large intertubular contact resistance, the single polyaniline tube shows a considerably high conductivity and a small positive magnetoresistance. In particular, a crossover from Mott to Efros-Shklovskii variable-range hopping conduction at about 66 K is observed in the single polyaniline tube owing to a strong electron-electron interaction with a Coulomb gap of 11.2 meV. This strong Coulomb interaction is also proved by the $Itext{ensuremath{-}}V$ curves, which show an obvious zero-bias anomaly at low temperatures. In addition, the temperature dependences of electrical conductivity of single polypyrrole submicrotubes with different diameter have also been studied. The room-temperature conductivity of single polypyrrole tube increases from 0.13 to $73phantom{rule{0.3em}{0ex}}mathrm{S}∕mathrm{cm}$ when the outer diameter decreases." @default.
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- W1974181182 date "2005-04-11" @default.
- W1974181182 modified "2023-09-26" @default.
- W1974181182 title "Electronic transport in single polyaniline and polypyrrole microtubes" @default.
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- W1974181182 doi "https://doi.org/10.1103/physrevb.71.165412" @default.
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