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Ceramic Alumina Substrates for High-Temperature Gas Sensors – Implications for Applicability

Title data

Kita, Jaroslaw ; Schubert, Franz ; Rettig, Frank ; Engelbrecht, Andreas ; Groß, Andrea ; Moos, Ralf:
Ceramic Alumina Substrates for High-Temperature Gas Sensors – Implications for Applicability.
2014
Event: EUROSENSORS 2014, the 28th European Conference on Solid-State Transducers , 07.-10.09.2014 , Brescia, Italy.
(Conference item: Conference , Other Presentation type)
DOI: https://doi.org/10.1016/j.proeng.2014.11.584

Official URL: Volltext

Abstract in another language

In the field of gas sensors and high temperature flow sensors, thick-film based structures play a key role, particularly in harsh environments. Their substrates have to be electrically insulating and chemically inert. Alumina substrates are often considered as ideal sensor substrates. However, neither their electrical resistivity nor their chemical inertness is ideal. Even the thermal conductivity is that temperature dependent that one has to consider it when modeling temperature profiles. Measurements on the resistivity and the thermal conductivity between room temperature and 800 oC of alumina substrates are presented in this contribution together with data how the resistance of naked alumina substrates is affected by NO2.

Further data

Item Type: Conference item (Other)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 15 Apr 2015 11:57
Last Modified: 15 Apr 2016 07:57
URI: https://eref.uni-bayreuth.de/id/eprint/10131