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GAS AND VAPOR EFFECTS ON THE RESISTANCE FLUCTUATION SPECTRA OF CONDUCTING POLYMER THIN-FILM RESISTORS

BRUSCHI, P; CACIALLI, F; NANNINI, A; NERI, B; (1994) GAS AND VAPOR EFFECTS ON THE RESISTANCE FLUCTUATION SPECTRA OF CONDUCTING POLYMER THIN-FILM RESISTORS. In: SENSORS AND ACTUATORS B-CHEMICAL. (pp. 421 - 425). ELSEVIER SCIENCE SA LAUSANNE

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Abstract

The effects of various vapours on the power spectrum of the resistance fluctuation of polypyrrole thin-film resistors were studied. An ultra-low noise amplifier and current source were built in order to detect the very low signal and bias the resistors. The samples were obtained by means of chemical vapour deposition on to oxidizing precursors. The method was successfully extended to n-methylpyrrole and thiophene polymerization.

Type:Proceedings paper
Title:GAS AND VAPOR EFFECTS ON THE RESISTANCE FLUCTUATION SPECTRA OF CONDUCTING POLYMER THIN-FILM RESISTORS
Event:Eurosensors VII
Location:BUDAPEST, HUNGARY
Dates:1993-09-26 - 1993-09-29
Keywords:POLYPYRROLE, NOISE
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy

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