MECHANISM OF NONLINEAR RESPONSES OF A SEMICONDUCTOR GAS SENSOR

Autor:	Nozomi Ojima, Satoshi Nakata, Kaori Takemura, Shinichi Yamabe, T. Hiratani
Rok vydání:	2000
Předmět:	business.industry Chemistry General Chemical Engineering Kinetics Analytical chemistry Mechanism (engineering) Nonlinear system Semiconductor Optoelectronics Molecule business Instrumentation Astrophysics::Galaxy Astrophysics General Environmental Science
Zdroj:	Instrumentation Science & Technology. 28:241-251
ISSN:	1525-6030 1073-9149
DOI:	10.1081/ci-100100975
Popis:	A novel gas-sensing system based on a dynamic nonlinear response is reported. A sinusoidal temperature change was applied to a semiconductor gas sensor, and the resulting resistance of the sensor was analyzed. The output signals of the sensor changed characteristically depending on the composition of the gas species. The characteristic nonlinear responses of a gas sensor are discussed in relation to the kinetics of gas molecules on the semiconductor surface and the results of an ab-initio MO calculation on the interaction between a CO gas molecule and a SnO2 surface.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::d52ccd6770d493fb805309351c2377f5 https://doi.org/10.1081/ci-100100975 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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