How to calculate the ionic dielectric constants?

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zhongshanluo

How to calculate the ionic dielectric constants?

#1 Post by zhongshanluo » Mon Nov 29, 2010 4:13 am

Dear all,
I have try to calculated the static dielectric constants (electronic and ionic) of BaTiO3 using the perturbation theory, by setting LEPSILON= .T. in the INCAR.
But the result is only for the electronic contribution in the macroscopic static dielectric tensors (6.8)?
how can I get its ionic contribution from the phnon?
Last edited by zhongshanluo on Mon Nov 29, 2010 4:13 am, edited 1 time in total.

zhongshanluo

How to calculate the ionic dielectric constants?

#2 Post by zhongshanluo » Thu Jan 06, 2011 3:38 am

Is anybody know?
BTW, our group has bought this software.
Last edited by zhongshanluo on Thu Jan 06, 2011 3:38 am, edited 1 time in total.

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