Abstract
Hall effect measurements of pyrolytic Langmuir-Blodgett films based on a biphenyl-type polyimide have been done using a double frequency method. The Hall coefficient had a negative sign over the measuring temperature range; an electron density of 1021 cm-3 and a Hall mobility of around 0.5 cm2(Vs)-1 could be estimated on the assumption of a one-carrier conduction. The Hall mobility is characterized by a single activated process with 5.4 meV.
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