[Pw_forum] Born effective charge

mohaddeseh abbasnejad m.abbasnejad at gmail.com
Wed Dec 2 09:41:35 CET 2009


Hi,

Trying to calculate the born effective charges of my case, I get NAN. The
structure has been relaxed carefully.
What may cause the problem?
Thanks for any comment.

Yours,
M. Abbasnejad
University of Tehran

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Mohaddeseh Abbasnejad,
Room No. 323, Department of Physics,
University of Tehran, North Karegar Ave.,
Tehran, P.O. Box: 14395-547- IRAN
Tel. No.: +98 21 6111 8634  & Fax No.: +98 21 8800 4781
Cellphone: +989177317514
E-Mail:     m.abbasnejad at gmail.com
Website:  http://physics.ut.ac.ir

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