Phonopy 0.9.5.2 Pre 2 freeware download
... force constants. The force constants are obtained from atomic forces when an atom is slightly displaced in ... structure. Using Phonopy you can calculate atomic-forces using the supercells by your favorite calculator (e.g., WIEN2k or VASP). In the post-process, the atomic forces are collected and the phonon properties are ... DFPT in VASP, you don’t need to calculate atomic-forces, though you need a supercell, anyway. Selected ...
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