Ferroelectricity

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Ferroelectricity

Post by Algerien1970 on Sat 13 Jun - 19:33

Ferroelectricity,  property of certain nonconducting crystals, or dielectrics, that exhibit spontaneous electric polarization (separation of the centre of positive and negative electric charge, making one side of the crystal positive and the opposite side negative) that can be reversed in direction by the application of an appropriate electric field. Ferroelectricity is named by analogy with ferromagnetism, which occurs in such materials as iron. Iron atoms, being tiny magnets, spontaneously align themselves in clusters called ferromagnetic domains, which in turn can be oriented predominantly in a given direction by the application of an external magnetic field.


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Re: Ferroelectricity

Post by Algerien1970 on Sat 13 Jun - 19:38

Ferroelectric Materials


Ferroelectrics are an important device in today’s world. They are useful both as capacitors, for example in camera flashes, or as non-volatile memory storage. The memory use of which you are most likely to be aware is in the Playstation 2.






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