Thermochemistry and non-ohmic electrical contacts of a BaTiO3 PTCR ceramic

David P. Cann, Clive A. Randall

Research output: Contribution to conferencePaper

Abstract

In this investigation we establish a fundamental link between electrode-semiconducting oxide adhesion characteristics and the electronic characteristics. For a number of metal electrodes we relate the non-Ohmic contact resistance to the thermodynamic work of adhesion. The thermodynamic work of adhesion is determined from metal cation-metal atom interactions and the metal atom-oxygen interactions, and compared to sessile drop wetting experiments. The non-Ohmic contacts are characterized by impedance spectroscopy methods to separate grain, grain boundary, and electrode contact resistance.

Original languageEnglish (US)
Pages277-280
Number of pages4
StatePublished - Dec 1 1996
EventProceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2) - East Brunswick, NJ, USA
Duration: Aug 18 1996Aug 21 1996

Other

OtherProceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2)
CityEast Brunswick, NJ, USA
Period8/18/968/21/96

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Cann, D. P., & Randall, C. A. (1996). Thermochemistry and non-ohmic electrical contacts of a BaTiO3 PTCR ceramic. 277-280. Paper presented at Proceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2), East Brunswick, NJ, USA, .