From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Mon Jul 23 2012 - 12:46:16 CDT

On Mon, Jul 23, 2012 at 4:04 PM, Monika Madhavi <monikamadhavi_at_gmail.com> wrote:
> Hi,
>
> I need to create a graphene surface and I typed the following command in the
> console window.
>
> graphene -lx <4> -ly <4> -type <armchair> -nlayers <1> -b <1> -a <1> -d <1>
> -i <1>
>
> But I got an error saying, -error graphene: Type must be either 'armchair'
> or 'zigzag'
>
> I don't understand what is wrong with the command I typed.

almost everything is wrong. why all the angular brackets '<>'?
the manual follows the usual conventions where <description>
is to be replaced with the described value. so what you were
supposed to be using is:

graphene -lx 4 -ly 4 -type armchair -nlayers 1 -b 1 -a 1 -d 1 -i 1

axel.
>

>
> Thanks
> Monika

-- 
Dr. Axel Kohlmeyer  akohlmey_at_gmail.com  http://goo.gl/1wk0
International Centre for Theoretical Physics, Trieste. Italy.