graphene

sisl.geom.graphene(bond: float = 1.42, atoms: sisl.typing.AtomsLike = None, orthogonal: bool = False, vacuum: float = 20) → Geometry

Graphene lattice with 2 or 4 atoms per unit-cell, latter orthogonal cell

Parameters:

• bond – bond length between atoms (not lattice constant)

• atoms (Atom, optional) – the atom (or atoms) that the honeycomb lattice consists of. Default to Carbon atom.

• orthogonal – if True returns an orthogonal lattice

• vacuum – length of vacuum region (along 3rd lattice vector)

See also

honeycomb

the equivalent of this, but with non-default atoms

bilayer

create bilayer honeycomb lattices