A plugin for calculating X-ray Photoelectron Spectroscopy (XPS) spectra.
Project description
Welcome to QEapp XPS plugin!
A plugin for calculating X-ray Photoelectron Spectroscopy (XPS) spectra using the XpsWorkChain
of aiida-quantumespresso package.
Setting Panel
The Setting panel allows users to
- select the peak (element and orbital) to be calculated. The availability of peak in the panel depends on the corresponding pseudopotentials.
- adjust the parameters based on the input structure.
Results Panel
The Result panel displays the final XPS spectrum.
- broadened spectrum using a Voight profile (combined Lorenzian and Gaussian)
- the chemical shift values (differences in total energy relative to the lowest value)
- absolute binding energy
Pseudopotentials XPS calculations in QE require core-hole pseudopotentials. We supply a set of pseudopotentials specific to XPS calculations in the XPS Pseudopotential Repository. This repository provides the core-hole pseudopotentials as an AiiDA archive file. There are two kind of pseudopotentials available:
- pbe
- pbesol
WorkChain
To make the setting as simple as possible for user. The following default setting are used.
core_hole_treatment
.full
for moleculexch_smear
for metalxch_fixed
for insulator
supercell_min_parameter
updated based onprotocol
.
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