Learn VASP with videos and slides
VASP is a code performing density functional theory (DFT) calculations. A VASP calculation requires no less than four input files: INCAR, POSCAR, POTCAR, and KPOINTS.
This section offers tutorials teaching how to use VASP, trying to cover basic usage for students, as well as advanced usage for trained scientists. The tutorials are meant to be practical and easy to follow step-by-step, however they do not always give a thorough description of all options or modes used.
INCAR
a file named INCAR that contains the parameters for the calculation (type of calculation, cut-offs, etc.);
Simple Link trending_flatPOSCAR
a file named POSCAR that contains the cell vectors and atom positions.
Download trending_flatKPOINTS
The KPOINTS file is used to specify the Bloch vectors (k-points) that will be used to sample the Brillouin zone in your calculation.
Simple Link trending_flatPOTCAR
a file named POTCAR containing the pseudopotential information;
Download trending_flat

Applications of DFT
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2D & 3D Band Structure
Besides the line-mode K-path, VASPKIT can also generate K-path with uniformed spacing between K points in units of 2𝜋*Å-1, which can be used for hybrid functional band structure calculations. Such KPOINTS file contains two parts. First part is same as the self-consistent calculation with symmetry weighted K-points in Irreducilbe Brillouin Zone. And Second part is the 0-weighted K-points alone the k-path. To generate this KPOINTS file:
Pre-process Band Structure

Free Utilities
The following are a set of programs to perform common tasks to help with VASP calculations, and particularly with transition state finding.
Goldschmidt Tolerance Factor
Goldschmidt's tolerance factor is a dimensionless number that measures the stability and distortion of crystal structures.
IR Raman & Hyper-Raman Modes
The program calculates the symmetry adapted modes for Γ point and classifies them in IR, Raman and Hyper-Raman active modes.
VASPKIT aims at providing a powerful and user-friendly interface to perform high throughput analysis of various material properties from the raw calculated data using the widely-used VASP code.
Aflow
Aflow-ML
Universal fragment descriptors for predicting properties of inorganic crystals
Alloy Theoretic Automated Toolkit
ATAT - A software toolkit for
modeling coupled
configurational and vibrational
disorder in alloy systems