Ferroelectric polymers | Wikipedia audio article
Channel: wikipedia tts
Date: 28/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Ferroelectric_polymers


00:00:36 1 Background
00:03:42 2 History
00:05:22 3 Polyvinylidene fluoride
00:05:32 3.1 Synthesis of polyvinylidene fluoride (PVDF)
00:07:01 3.2 Study of the structure of PVDF
00:09:10 4 Current Research
00:13:40 5 Applications
00:13:50 5.1 Nonvolatile memory
00:15:11 5.2 Transducers
00:15:53 5.2.1 Sensors
00:16:19 5.2.2 Actuators
00:16:46 6 See also



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SUMMARY
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Ferroelectric polymers
are a group of crystalline polar polymers that are also ferroelectric, meaning that they maintain a permanent electric polarization that can be reversed, or switched, in an external electric field. 

Ferroelectric polymers, such as polyvinylidene fluoride (PVDF), are used in acoustic transducers and electromechanical actuators because of their inherent piezoelectric response, and as heat sensors because of their inherent pyroelectric response.