Explain ferroelectricity, Electrical Engineering

Assignment Help:

Explain ferroelectricity.

Ferroelectricity:- Materials of ferroelectric have a high dielectric constant that is non-linear that is, this depends to a considerable extent on the intensity of electric field. These materials exhibit hysterisis loops that are the polarization is not a linear function of applied electric field. When the center of gravity of the positive and negative charges into a body does not coincide in absence of an applied electric field, therefore substance has an electric dipole moment. Hence material is said to be spontaneously polarized and termed as ferroelectric material. That substance is termed as ferroelectric. This contains small regions termed as ferroelectric domains and all dipoles are parallely oriented in domain although different domains are randomly oriented into the absence of an external electric field. While the temperature exceeds a particular value termed as the Curie point, the substance loses its ferroelectric properties. Examples are: Rochelle salt, Barium titanate and Potassium dihydrogen phosphate.


Related Discussions:- Explain ferroelectricity

Write a short note dispersion shifted dispersion flat fiber, Write a short ...

Write a short note on dispersion shifted and dispersion flatted fibers? The dispersion features of a fiber is display below: The overall dispersion is the sum of materi

Show that operating point does not depend on beta, Q. Prove mathematically ...

Q. Prove mathematically that the operating point does not depend on beta, in a potential divider bias circuit ? To determine the operating point, consider the input section of

Coupling, different coupling methods

different coupling methods

Network analysis, expain how to do proper initial approximatio for the give...

expain how to do proper initial approximatio for the given cct....... by a example

Physics, high resistivity materials

high resistivity materials

what does quality factor mean, The Quality factor is also explained, as Q....

The Quality factor is also explained, as Q. So it is a number, which shows the lossness of a circuit. Higher the Q, the lower are the losses. The quality factor is calculated o

Find the secondary and leakage path flux densities , Questions: A magne...

Questions: A magnetic core with a primary winding with 40 turns and a secondary winding with 80 turns has a leakage path dominated by an air gap as shown in the figure. The iro

Alternator, How can I design alternator?

How can I design alternator?

Circuit symbols for mosfet, Circuit Symbols for MOSFET A range of symb...

Circuit Symbols for MOSFET A range of symbols are employed for the MOSFET. The basic design is usually a line for the channel along with the source and drain leaving it at rig

Positive and negative clippers, Positive Clippers The shunt connected p...

Positive Clippers The shunt connected positive clipper, in which the diode conducts for positive half cycle and hence, the output is a straight line. During the negative half c

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd