SnO2 thin films are elaborated by a PECVD process in a RF glow discharge reactor. Two kinds of as-deposited films have been studied: unbiased (diode reactor) and biased ones (triode reactor) according to their properties and their response to specific gases such as ethanol. Characterization of the films are carried out by different techniques: FTIR, AES, X-ray diffraction, AFM in order to explain the modifications generated by the bias voltage. The detection results show best sensitivities (S = R-a/R-s) for unbiased films to ethanol at 450 degreesC (S = 45 for 10 ppm). (C) 2001 Elsevier Science B.V. All rights reserved.
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Kuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, TomskKuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, Tomsk
Sevastyanov E.Y.
Maksimova N.K.
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Kuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, TomskKuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, Tomsk
Maksimova N.K.
Khludkova L.S.
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Kuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, TomskKuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, Tomsk
Khludkova L.S.
Chernikov E.V.
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Kuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, TomskKuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, Tomsk
Chernikov E.V.
Sergeychenko N.V.
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Kuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, TomskKuznetsov Siberian Physical Technical Institute, National Research Tomsk State University, Sq. Novosobornaya., 1, Tomsk