NGZ

NGZ = [integer]
Default: NGZ = set in accordance with PREC and ENCUT 

Description: NGZ sets the number of grid points in the FFT grid along the third lattice vector.

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By default NGZ is set in accordance with the requested "precision" mode (PREC) and the plane wave kinetic energy cutoff ENCUT:

PREC	NGZ
Normal	3/2×$G_{\rm {cut}}$
Single (VASP.5)	3/2×$G_{\rm {cut}}$
Single (VASP.6)	2×$G_{\rm {cut}}$
SingleN (VASP.6)	3/2×$G_{\rm {cut}}$
Accurate	2×$G_{\rm {cut}}$
Low	3/2×$G_{\rm {cut}}$
Medium	3/2×$G_{\rm {cut}}$
High	2×$G_{\rm {cut}}$

where

$E_{\rm {cut}}={\frac {\hbar ^{2}}{2m_{e}}}G_{\rm {cut}}^{2}$

with $E_{\rm {cut}}$=ENCUT.

Alternatively, NGZ can be set to a specific value in the INCAR file.

Related tags and articles

NGX, NGY, NGXF, NGYF, NGZF, PREC, ENCUT, ENAUG

Examples that use this tag

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