BornAgain
≻ git-develop
≻ Documentation ≻ Reference ≻ Sample model ≻ Structure ≻ 2D structures ≻ 2D lattice ≻ Position variance
BornAgain
≻ git-develop
≻ Documentation ≻ Reference ≻ Sample model ≻ Structure ≻ 2D structures ≻ 2D lattice ≻ Position variance
A lateral position-disorder parameter describes independent fluctuations of particle positions around lattice points. It gives rise to an attenuation factor of Debye-Waller type.
Set it on Crystal2D with
layout.setLateralPositionVariance(rms_displacement)
Despite the historical API name, rms_displacement is the root-mean-square
displacement in each lateral dimension, in nanometers, not a variance in
square nanometers. By default it is zero.
A square lattice of spheres on a substrate, for different lattice orientation angles $\xi$.
