# HRGHowto

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This page will list a set of how-to tutorials made by the ARTEMIS research group. These tutorials hope to cover a wide range of theoretical (computational and analytical) and software-based areas.

## Theory

### DFT

How to calculate work function, electron affinity and Schottky barriers

How to calculate Gibbs free energy from phonon frequencies

How to calculate the formation energy of various systems

How to calculate the Fermi energy for a simple metal, given a charge density

How to calculate the NEB diffusion barrier

How to calculate the dielectric constant in VASP

## Other Theory

How to fit a potential using GULP and LAMMPS