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Simplified Method of Measuring Magnetic Permeability Temperature Profile for RF Device Applications
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NTC Ceramics: Past, Present and Future
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Spin Flexoelectricity and New Aspects of Micromagnetism
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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 67NTC Ceramics: Past, Present and Future

NTC Ceramics: Past, Present and Future

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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.

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12th INTERNATIONAL CERAMICS CONGRESS PART F

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Periodical:

Advances in Science and Technology (Volume 67)

Pages:

124-133

DOI:

https://doi.org/10.4028/www.scientific.net/AST.67.124

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Online since:

October 2010

Authors:

Antonio Feteira, Klaus Reichmann

Keywords:

NTC, Perovskite, Spinel, Thermistor

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