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

N-type semiconductor, a)  Sketch the variation of electron concentration wi...

a)  Sketch the variation of electron concentration with temperature for i)  an n-type semiconductor doped with 1021  donors m-3 ii)  an intrinsic semiconductor.  b)  Expla

What do you mean by exponent, Q. What do you mean by Exponent? The expo...

Q. What do you mean by Exponent? The exponent field needs to represent both negative and positive exponents. To perform this, a bias is added to the actual exponent in order

.energy, units of potential energy

units of potential energy

Stack pointer, stack Pointer (SP) It is also a 16 bit  register and a  ...

stack Pointer (SP) It is also a 16 bit  register and a  memory  pointer similar to  program counter. It holds  the memory  address of the  top of the stack. Stack is a  part of

Hot line maintenance, how do you define the expertise for this hot line mai...

how do you define the expertise for this hot line maintenance?

Explain function of application layer, Q. Explain function of application l...

Q. Explain function of application layer? Layers of OSI model are as follows: (1) The Physical Layer: This defines an interface in terms of connections, voltage levels and

FET operation, ON output plot of a JFET n-channel transistor if ID is close...

ON output plot of a JFET n-channel transistor if ID is close to IDSS does the value of VGS close to VP?

Compute the speed, Athree-phase,wye-connected, 220-V, 10-hp, 60- Hz, six-po...

Athree-phase,wye-connected, 220-V, 10-hp, 60- Hz, six-pole inductionmotor (using Figure 13.2.6 for notation) has the following parameters in ohms per phase referred to the stator:

State fleming''s right-hand rule, Fleming's Right-hand rule states: Let ...

Fleming's Right-hand rule states: Let the thumb, first finger and second finger of the right hand be extended such that they are all at right angles to every other. If the first

Octal number systems, Octal Number Systems Now the  question may  arise...

Octal Number Systems Now the  question may  arise in one mind  that why  to learn  octal  number  system when  neither  human  nor the  digital  systems  uses. It  hence it is

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