Is it possible to calculate the band structure of a 3D geometry which is only periodic in 1 or 2 dimensions?

Mike Taverne <[email protected]> Tue, 05 Aug 2014 17:12:37 +0100

Newsgroups	gmane.comp.science.photonic-bands
Message-ID	<[email protected]>

Hi,

Is it possible to calculate the band structure of a 3D geometry which is
only periodic in 1 or 2 dimensions?
(i.e. for example a hexagonal lattice of holes in a slab of a given
thickness or a fixed number of layers of a 3D crystal.)

Or is it necessary to use a 3D lattice with a basis3 vector much longer
than the thickness of the structure, i.e. a sort of supercell?

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