NTC Ceramics: Past, Present and Future

FETEIRA, Antonio and REICHMANN, Klaus (2010). NTC Ceramics: Past, Present and Future. Advances in Science and Technology, 67, 124-133.

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Link to published version:: 10.4028/www.scientific.net/AST.67.124

Abstract

In contrast with metals, the resistivity of ceramics decreases with increasing temperatures. This phenomenon was first discovered in 1833 by Faraday and remained a mere scientific curiosity until 1930, when Samuel Ruben proposed the fabrication of a pyrometer device, which explored the negative temperature coefficient (NTC) of resistance exhibit by Cu2O. Eight decades later, NTC ceramic thermistors constitute an important business segment for most electroceramic manufacturers. Here, we present a review of the most significant scientific and technological advances, which lead to the enormous commercial success of NTC thermistors. This review concludes with an outlook into future possible applications of NTC ceramics, providing that some current technological shortcomings (such as ageing) are resolved.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Corrosion Technology
Identification Number: 10.4028/www.scientific.net/AST.67.124
Depositing User: Helen Garner
Date Deposited: 17 Apr 2012 14:49
Last Modified: 17 Apr 2012 14:49
URI: http://shura.shu.ac.uk/id/eprint/4973

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