[Wien] exchange interaction J
Lara Kühl Teles
lkteles at ita.br
Mon Sep 27 16:22:33 CEST 2010
Dear M. Foroughpour
Please see our paper at Phys. Rev. B:
http://prb.aps.org/abstract/PRB/v81/i11/e115209
If you stil lhave doubts you can contact me (lkteles at ita.br).
Regards,
Prof. L. K. Teles
2010/9/26 marziye foroughpour <dornaforoughpour at gmail.com>
>
> Dear wien2k users,
>
> I want to estimate the Curie temperature within Mean-field theory.
> You know that for calculation this temperature I need exchange
> interaction in Heisenberg Hamiltonian and with J,j= ~-~) d, Im
> Trt.{A,i;JAji~' }. ,
> I'd like to know How can I calculate exchange interaction (J) by Wien2k
> for a
> system with Half-metallic ferromagnetic property If it's
> possible??
> I heard about connection between J and difference energy s of
> ferromagnetic and paramagnetic structure, what ratio is between J and those
> energie
>
> M. Foroughpour
> Department of Physics
> Shiraz University
>
>
>
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>
--
Profa. Dra. Lara Kühl Teles
__________________________
Chefe da Divisão de Cooperação
Instituto Tecnológico de Aeronáutica (ITA)
Departamento de Ciência e Tecnologia Aeroespacial (DCTA)
Praça Mal do Ar Eduardo Gomes, 50
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Brasil
+(55)(12) 3947-5849
+(55)(12) 3947-6938
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