Titlebar

Export bibliographic data
Literature by the same author
plus on the publication server
plus at Google Scholar

 

Some practical points to consider with respect to thermal conductivity and electrical resistivity of ceramic substrates for high-temperature gas sensors

Title data

Kita, Jaroslaw ; Engelbrecht, Andreas ; Schubert, Franz ; Groß, Andrea ; Rettig, Frank ; Moos, Ralf:
Some practical points to consider with respect to thermal conductivity and electrical resistivity of ceramic substrates for high-temperature gas sensors.
In: Sensors and Actuators B: Chemical. Vol. 213 (5 July 2015) . - pp. 541-546.
ISSN 0925-4005
DOI: https://doi.org/10.1016/j.snb.2015.01.041

Official URL: Volltext

Related URLs

Abstract in another language

In the field of gas sensors and high temperature flow sensors, ceramic thick-film-based structures play a key role, particularly in harsh environments. Their substrates have to be electrically insulating and chemically inert. Ceramic substrates, especially alumina ones, 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. In this contribution, measurements on the resistivity and the thermal conductivity between room temperature and 800°C of two related materials used for gas sensors substrates – alumina and LTCC ceramics – are presented. Additionally, resistance data of uncoated interdigital structures when exposed to NO₂ at around 300°C indicate that reactions between substrate and NO₂ may occur and have to be kept in mind.

Further data

Item Type: Article in a journal
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
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units > BERC - Bayreuth Engine Research Center
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 20 Apr 2015 08:06
Last Modified: 18 Apr 2016 07:32
URI: https://eref.uni-bayreuth.de/id/eprint/10479