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Molecular and Quantum Acoustics

Tytuł artykułu

Polyaniline thin films as a toxic gas sensors in SAW system

Autorzy Jakubik, W. P.  Urbanczyk, M.  Maciak, E.  Pustelny, T.  Stolarczyk, A. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN Presented here are the preliminary results concerning an investigations of thin films of polyaniline (similar to100nm) as a toxic gas sensors in a Surface Acoustic Wave system. The investigations were performed with different concentrations of the following toxic gases: NO2, SO2, CO, H2S and hydrogen in synthetic dry air. These thin films were made by vacuum deposition technique and formed in one of the dual delay line systems on a LiNbO3 Y-cut Z-propagation substrate, while the other serves as a reference, permitting an easy detection of the arising differential frequency Delta f. This frequency, depending on the operating frequency modes, is in the range of 50kHz to 400 kHz, whereas the oscillator frequencies are in the range of 43,6MHz. The wavelength is 80um.
Słowa kluczowe
Wydawca Silesian Division of Polish Acoustical Society
Czasopismo Molecular and Quantum Acoustics
Rocznik 2007
Tom Vol. 28
Strony 125--129
Opis fizyczny Bibliogr. 21 poz., rys.
autor Jakubik, W. P.
autor Urbanczyk, M.
autor Maciak, E.
autor Pustelny, T.
autor Stolarczyk, A.
  • Institute of Physics, Silesian University of Technology,44-100 Gliwice, Poland
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