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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 sulphate
Polyvinylidene fluoride
Application of a Pyroelectric-Infrared detection
Pollutant Control
Summary
Questions
Going further

Begin

Images of devices containing pyroelectric materials

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