Secondary Piezoresistivity in Oxygen Deficient BaTiO3 Single Crystals
- 1 March 1963
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 34 (3) , 682-685
- https://doi.org/10.1063/1.1729329
Abstract
The anomalous resistive and piezoresistive characteristics of BaTiO3−x ceramics and single crystals are related to domain orientations. It is proposed that an anisotropy in resistivity exists in the different crystallographic directions in the tetragonal phase, reaching a maximum at the tetragonal to orthorhombic transition. A small stress is sufficient to change domain orientations resulting in a large piezoresistive effect (secondary piezoresistivity) because of the anisotropy of resistivity. The change in resistivity was found to be proportional to strain.This publication has 13 references indexed in Scilit:
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