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Combination of temperature cycled and gate bias cycled operation to enhance the selectivity of MISiC-FET gas sensors
Saarland University, Saarbrücken, Germany.
Saarland University, Saarbrücken, Germany. (D)
Saarland University, Saarbruecken, Germany. (Dept. of Mechatronics Lab for Measurement Technology)
Linköping University, Department of Physics, Chemistry and Biology, Applied Sensor Science. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2817-3574
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2013 (English)In: Transducers 2013 & Eurosensors XXVII, IEEE , 2013, 2041-2044 p.Conference paper (Other academic)
Abstract [en]

In this paper temperature modulation and gate bias modulation of a gas sensitive field effect transistor are combined in order to increase the selectivity. Data evaluation was performed using multivariate statistics, here by Linear Discriminant Analysis. It was found that both temperature cycling and gate bias cycling are suitable for quantification of different concentrations of carbon monoxide. However, combination of both approaches enhances the quality of the separation. In addition, the presented method allows discrimination of carbon monoxide, nitrogen dioxide and ammonia independent of the gas concentration.

Place, publisher, year, edition, pages
IEEE , 2013. 2041-2044 p.
National Category
Other Chemical Engineering
URN: urn:nbn:se:liu:diva-92408DOI: 10.1109/Transducers.2013.6627199ISBN: 978-146735981-8OAI: diva2:620745
Transducers 2013 & Eurosensors XXVII, June 17-20, Barcelona, Spain


Available from: 2013-05-11 Created: 2013-05-11 Last updated: 2014-11-28

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