Electric potential energy

stefano colom

my professor has explained Electric potential energy Law U=∫D*E above all the space. he said you can not use for some kind of materials. l can 't remember if they are Ferroelectricity or piezoelectric materials. then can you say to me the reason too? thank you

Naty1

I'm guessing he might have been alluding to the hysteresis effect of ferromagentic materials.
more here:http://en.wikipedia.org/wiki/Ferroelectricity

*Darwin123*

Quote by Naty1

I'm guessing he might have been alluding to the hysteresis effect of ferromagentic materials.
more here:http://en.wikipedia.org/wiki/Ferroelectricity

There is a hysteresis effect in ferroelectric materials, too.

stefano colom

but why couldn't l use for the ferroelectricity materials

Meir Achuz

The derivation of the D.E form requires that the relation between D and E be linear.
It is not for ferroelectric materials.

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stefano colom	Electric potential energy Tweet my professor has explained Electric potential energy Law U=∫D*E above all the space. he said you can not use for some kind of materials. l can 't remember if they are Ferroelectricity or piezoelectric materials. then can you say to me the reason too? thank you

Naty1 Recognitions: Gold Member	I'm guessing he might have been alluding to the hysteresis effect of ferromagentic materials. more here:http://en.wikipedia.org/wiki/Ferroelectricity

stefano colom	Electric potential energy but why couldn't l use for the ferroelectricity materials

Meir Achuz Recognitions: Homework Help Science Advisor	The derivation of the D.E form requires that the relation between D and E be linear. It is not for ferroelectric materials.