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Abstract
Nanocrystalline nickel-oxide-based thin films were prepared by advanced reactive gas deposition, and the response of these films to formaldehyde was studied by fluctuationenhanced sensing. Morphological and structural analyses showed porous deposits of nickel oxide particles with face-centered cubic structure. Resistance fluctuations were measured upon exposure to ethanol, formaldehyde and methane at 200 °C. Power density spectra were used to quantify the response. The response to formaldehyde was higher than to ethanol at 200 °C, and no significant response was observed for methane thus demonstrating some gas-species selectivity.
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Authors (6)
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Umut Cindemir
- Uppsala University Department of Engineering Sciences
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Claes Goran Granqvist
- Uppsala University Department of Engineering Sciences
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Gunnar Niklasson
- Uppsala University Department of Engineering Sciences
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Lars Österlund
- Uppsala University Department of Engineering Sciences
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Details
- Category:
- Conference activity
- Type:
- materiały konferencyjne indeksowane w Web of Science
- Title of issue:
- IEEE SENSORS 2015 Conference strony 918 - 921
- ISSN:
- 1930-0395
- Language:
- English
- Publication year:
- 2015
- Bibliographic description:
- Cindemir U., Granqvist C., Niklasson G., Österlund L., Trawka M., Smulko J..: Nickel Oxide Thin Film Sensor for Fluctuation-Enhanced Gas Sensing of Formaldehyde, W: IEEE SENSORS 2015 Conference, 2015, IEEE,.
- DOI:
- Digital Object Identifier (open in new tab) 10.1109/icsens.2015.7370408
- Verified by:
- Gdańsk University of Technology
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