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

Illustrate common emitter configuration, Illustrate Common Emitter configur...

Illustrate Common Emitter configuration, current amplification factor and collector amplifier. Describe transistor as an amplifier.

Show the process for taking observations by satellite, Q. Show the Process ...

Q. Show the Process for taking observations by satellite? Sensors are devices to make observations, which have sophisticated mechanism for taking observations. The detectors ar

Loops and subroutines, 1.....If viewing this through the Assignment tool, c...

1.....If viewing this through the Assignment tool, click the title above to go to the Submissions area. Introduction The purpose of this experiment is to examine the opera

Explain about ''emitter follower'', Q. Explain about 'Emitter Follower'? ...

Q. Explain about 'Emitter Follower'? EMITTER FOLLOWER : An emitter follower circuit shown in the figure is widely used in AC amplification circuits. The input and output of the

Write down expressions for vbn, Q. Referring to Figure, let V BN = V RN =...

Q. Referring to Figure, let V BN = V RN = 120 V rms magnitude, and V BR = 240 V rms magnitude. Write down expressions for v BN (t), v RN (t), and v BR (t), and sketch them as a

Computer architecture, outline what three features you would add (choose th...

outline what three features you would add (choose the three that you feel would be most advantageous) to the 16 bit version of the processor in order to enhance its power.

Illustrate about transfer functions, Q. Illustrate about Transfer Functions...

Q. Illustrate about Transfer Functions? The transfer function is a means by which the dynamic characteristics of devices or systems are described. The transfer function is a ma

Find the forced component of the current, Q. Consider an RC parallel circui...

Q. Consider an RC parallel circuit excited by (a) i(t) = 20e -2t A, and (b) i(t) = 20 A. Find the forced component of the current through the capacitor for R = 2  and C = 2F.

What is idss, Q. What is Idss. What are the conditions for its maximum valu...

Q. What is Idss. What are the conditions for its maximum value? The term 'Idss' refers to saturation condition of the Drain current. From the above graph it's clear that as the

Power plant, A power company is developing an upgrade to an existing power ...

A power company is developing an upgrade to an existing power plant and needs to make a requirements decision with respect to the maximum power output capacity for the upgrade. Thi

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