DoITPoMS
Teaching & Learning Packages
Pyroelectric Materials
Pyroelectric Materials
Pyroelectric materials are found in almost every home, in the form of intrusion detectors and other devices, and this TLP will consider how they work, and what the most common ones are made of.
- Aims
- Before you start
- Introduction
- Polarisation
- Variation of Polarisation with Temperature
- Behaviour around the Curie point
- The Direct and Indirect Effect
- Example Pyroelectric Materials
- Triglycine sulfate
- Polyvinylidene fluoride
- Application of a Pyroelectric-Infrared detection
- Pollutant Control
- Summary
- Questions
- Going further
Images of devices containing pyroelectric materials
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First created: October 2007. Converted to HTML5: October 2021.