Armenian Journal of Physics

MWCNTs•Fe2O3 GAS SENSORS WITH DIFFERENT STRUCTURE OF OHMIC CONTACTS

Hovhannisyan, R.V. (2014) MWCNTs•Fe2O3 GAS SENSORS WITH DIFFERENT STRUCTURE OF OHMIC CONTACTS. Armenian Journal of Physics, 7 (1). pp. 28-37. ISSN 1829-1171

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Abstract

Thin film gas sensors made of the MWCNTs•Fe2O3 (1:25) nanocomposite material with different structure of ohmic contacts were manufactured using the electron–beam spattering method. Investigations of the response of prepared sensors to such gases as methane, butane, hydrogen and ethanol vapors were carried out. It was established that sensors show significant response to hydrogen and ethanol vapors at relatively low temperatures of the working body. It was also established that the structure of ohmic contacts highly effects on sensors characteristics: sensors with different structure of ohmic contacts can be used as highly selective sensors for detection of small concentrations of ethanol vapors and hydrogen gas.

Item Type:Article
Subjects:Physics > 73.Electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures
Physics > 81.Materials science
Physics > 85.Electronic and magnetic devices; microelectronics
ID Code:665
Deposited By:Prof. Vladimir Aroutiounian
Deposited On:13 Apr 2014 21:43
Last Modified:13 Apr 2014 21:43

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