PyDEF 2.0: An Easy to Use Post-treatment Software for Publishable Charts Featuring a Graphical User Interface

Area of Science:

• Materials Science
• Computational Chemistry
• Solid-State Physics

Background:

• Accurate simulation of material properties is crucial for scientific advancement.
• The Vienna Ab initio Simulation Package (VASP) is a widely used tool for solid-state calculations.
• Post-treatment analysis of VASP output can be time-consuming and complex.

Purpose of the Study:

• To develop an open-source program for automating VASP calculation post-processing.
• To facilitate detailed studies of material electronic and optical properties.
• To provide advanced modules for point defect analysis and stability domain plotting.

Main Methods:

• Development of a software tool with a Graphical User Interface (GUI).
• Implementation of automated plotting for Density of States (DOS) and Band Diagrams.
• Integration of modules for point defect calculations, stability analysis, and optical property retrieval (refractive index, extinction coefficient, reflectivity).

Main Results:

• The program automates the analysis of solid-state ab initio calculations.
• It enables efficient plotting of DOS, Band Diagrams, and defect properties.
• Novel features include direct plotting of stability domains and calculation of optical indices.
• All outputs are customizable and of publishable quality.

Conclusions:

• The developed software streamlines the analysis of VASP calculations.
• It empowers material scientists to efficiently study electronic, defect, and optical properties.
• The user-friendly GUI makes advanced computational analysis accessible to a wider audience.