Dear siesta users

1)      How I could define suitable band line block for in my .fdf file?

2)      Band lines depend on what items?

3)      I work on zigzag nanoribon, Do the type of material and the type of
unit cell affect the band lines block?

 siesta manual mentioned :

…. **BandLines (data block): Specifies the lines along which band energies
are calculated (usually

along high-symmetry directions). An example for an FCC lattice is:

%block BandLines

1 1.000 1.000 1.000

20 0.000 0.000 0.000 \Gamma

25 2.000 0.000 0.000 X

30 2.000 2.000 2.000 \Gamma

%endblock BandLines**…….

4)      How I could find the high-symmetry direction?

I appreciate your time.

Best Regards

Azar Ostovan

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