  Scanning precession electron diffraction (SPED) is a powerful technique for
investigating strain. While extensive literature exists analysing strain under
high convergence angle conditions there are few systematic studies describing
work based around the use of smaller convergence angles despite this being a
common set-up. We fill in some of this gap in the literature by providing a
workflow for both the experimental and analysis components of such experiments.
Our case study investigates strained Gallium Arsenide nanowires with a modern
direct electron detector and common microscope alignments. Three peak finding
routines are compared and we provide both source code and raw data to allow
others to reproduce our findings.
