[Pw_forum] regarding supercells in graphene nanoribbons

[Surender Pratap]

Thanks a lot sir,i have taken width of the ribbon is 4,but now in my
calculation it is becoming two times ,that means 8 sir,which i am not able
to understand sir,why it is happening like this sir.Please help me in this
matter sir.
regards

Surender Pratap
Research Scholar
Physics Department
BITS Pilani,Pilani Campus Rajsthan-333031(INDIA)...
Mob-7891949445


*Birla Institute of Technology & Science,* Pilani

Pilani 333031, Rajasthan, India

On Wed, Jun 17, 2015 at 1:59 AM, Giovanni Cantele <
giovanni.cantele at spin.cnr.it> wrote:

> Dear S. P.,
>
> 8 could be the right or the wrong Number, it depends on which are the
> orientation and the width of the nanoribbon. How did you choose that
> number? Nobody will be able to provide help if you do not provide
> sufficient information.
>
> Giovanni
>
> Inviato da iPad
>
> Il giorno 16/giu/2015, alle ore 14:45, Surender Pratap <
> suren1986dhalaria at gmail.com> ha scritto:
>
> Dear all users
>
> Can any body tell me please how many atoms are taken into supercells of
> Hamiltonian,in my calculation of graphene nanoribbons ,i am taking 8,is it
> right to take 8 ,how 8 are coming i am not able to understand.
>
> regards
>
> Surender Pratap
> Research Scholar
> Physics Department
> BITS Pilani,Pilani Campus Rajsthan-333031(INDIA)...
> Mob-7891949445
>
>
> *Birla Institute of Technology & Science,* Pilani
>
> Pilani 333031, Rajasthan, India
>
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