Pyroelectric properties of ferroelectric 0-3 composites near matrix transition temperature
The pyroelectric properties of a ferroelectric 0-3 composite in the vicinity of the matrix Curie temperature is examined theoretically by incorporating the effects of interfacial charge. A dip predicted in the pyroelectric coefficient as a function of temperature of the composite is associated with...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
2005
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/8216/ http://www.tandfonline.com/doi/pdf/10.1080/00150190500328635 |
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| Institution: | Universiti Malaya |
| Summary: | The pyroelectric properties of a ferroelectric 0-3 composite in the vicinity of the matrix Curie temperature is examined theoretically by incorporating the effects of interfacial charge. A dip predicted in the pyroelectric coefficient as a function of temperature of the composite is associated with the contribution of the secondary pyroelectric effect and/or with incomplete charge compensation of the polarization heterogeneity. At the Curie point of the matrix, the magnitude of the secondary pyroelectric coefficient may be relatively large and cannot be neglected. |
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