radtools.Lattice.b3#

property

property Lattice.b3#

Third reciprocal lattice vector.

\[\vec{b}_3 = \frac{2\pi}{V}\vec{a}_1\times\vec{a}_2\]

where \(V = \vec{a}_1\cdot(\vec{a}_2\times\vec{a}_3)\)

Returns:
b3(3,) numpy.ndarray

Third reciprocal lattice vector \(\vec{b}_3\).