Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2901
Title: The stability of Pt heater and temperature sensing elements for silicon integrated tin oxide gas sensors
Authors: Esch, H
Huyberechts, G
Mertens, R.
Maes, Guido
MANCA, Jean 
DE CEUNINCK, Ward 
DE SCHEPPER, Luc 
Issue Date: 2000
Publisher: ELSEVIER SCIENCE SA
Source: SENSORS AND ACTUATORS B-CHEMICAL, 65(1-3). p. 190-192
Abstract: Good performance of alarm systems and environmental as well as industrial control methods requires an optimal operation of the gas sensors involved. An essential point related to this challenge is an accurate control of the sensor working temperature. Therefore, the stability of the Ti/Pt heater element used in tin oxide thin film gas sensors has been investigated. It turns out that the heater element is influenced by diffusion and oxidation processes taking place during thermal treatment. This is illustrated by RES, AES and XPS measurements. The modifications in chemical composition are also found to influence the electrical characteristics R-o and TCR of the heater. (C) 2000 Elsevier Science S.A Ail rights reserved.
Notes: Interuniv Microelect Ctr, B-3001 Heverlee, Belgium. Katholieke Univ Leuven, Dept Chem, B-3001 Heverlee, Belgium. Inst Mat Res, B-3590 Diepenbeek, Belgium.Esch, H, Interuniv Microelect Ctr, Kapeldreef 75, B-3001 Heverlee, Belgium.
Keywords: tin oxide thin film gas sensor; annealing; chemical and electrical characterization
Document URI: http://hdl.handle.net/1942/2901
DOI: 10.1016/S0925-4005(99)00301-9
ISI #: 000088185800055
Category: A1
Type: Journal Contribution
Validations: ecoom 2001
Appears in Collections:Research publications

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