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A ceramic thick film humidity sensor based on MnZn ferrite

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dc.contributor.author Arshak, Khalil
dc.contributor.author Twomey, K.
dc.contributor.author Egan, D.
dc.date.accessioned 2015-07-02T15:10:06Z
dc.date.available 2015-07-02T15:10:06Z
dc.date.issued 2002
dc.identifier.uri http://hdl.handle.net/10344/4527
dc.description peer-reviewed en_US
dc.description.abstract A ceramic thick film humidity sensor, produced from MnZn ferrite, is presented. The proposed sensing mechanism is a combination of proton hopping, hydronium diffusion, and vacancy donor traps releasing electrons into the conduction band. The sensor structure comprises a two-layer device; the first layer is an interdigitated conductor and the second layer is a 30 mum thick sensing layer. The effects of sintering the sensing pastes in air and vacuum have been reported. The air-fired sample exhibits the highest humidity sensitivity (1.54%/RH%) and the lowest temperature sensitivity ( 0.37%/degreesC). The vacuum-fired sample has the lowest humidity sensitivity ( 0.043%/ RH) and the highest temperature sensitivity (0.77%/degreesC). The sensitivity results indicate that the air-fired sample has the best potential for use in humidity sensing applications. en_US
dc.language.iso eng en_US
dc.publisher MDPI en_US
dc.relation.ispartofseries Sensors;2, pp. 50-61
dc.subject ceramic en_US
dc.subject thick film en_US
dc.subject sensor en_US
dc.subject temperature and humidity sensitivity en_US
dc.title A ceramic thick film humidity sensor based on MnZn ferrite en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.date.updated 2015-07-02T15:04:34Z
dc.description.version PUBLISHED
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US
dc.internal.rssid 1135049
dc.internal.copyrightchecked Yes
dc.description.status peer-reviewed


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