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Global Parameters
SYSTEM = Co3O4-220
ISTART = 1 (Read existing wavefunction, if there)
ISPIN = 2 (Non-Spin polarised DFT)
ICHARG = 1 (Non-self-consistent: GGA/LDA band structures)
LREAL = .Auto. (Projection operators: automatic)
ENCUT = 500 (Cut-off energy for plane wave basis set, in eV)
PREC = Normal (Precision level: Normal or Accurate, set Accurate when perform structure lattice relaxation calculation)
LWAVE = .TRUE. (Write WAVECAR or not)
LCHARG = .TRUE. (Write CHGCAR or not)
ADDGRID= .TRUE. (Increase grid, helps GGA convergence)
LVTOT = .FALSE. (Write total electrostatic potential into LOCPOT or not)
LVHAR = .FALSE. (Write ionic + Hartree electrostatic potential into LOCPOT or not)
LELF = .FALSE.
# NELECT = (No. of electrons: charged cells, be careful)
# LPLANE = .TRUE. (Real space distribution, supercells)
# NWRITE = 2 (Medium-level output)
KPAR = 1 (Divides k-grid into separate groups)
# NGXF = 300 (FFT grid mesh density for nice charge/potential plots)
# NGYF = 300 (FFT grid mesh density for nice charge/potential plots)
# NGZF = 300 (FFT grid mesh density for nice charge/potential plots)
NCORE = 8
IVDW = 12
Electronic Relaxation
ISMEAR = 0 (Gaussian smearing, metals:1)
SIGMA = 0.2 (Smearing value in eV, metals:0.2)
AIGO = Fast
NELM = 300 (Max electronic SCF steps)
NELMIN = 5 (Min electronic SCF steps)
EDIFF = 1E-05 (SCF energy convergence, in eV)
GGA = PE (PBEsol exchange-correlation)
LDAU = TRUE
LDAUTYPE = 2
LDAUL = 2 -1
LDAUU = 3.5 0.0
LDAUJ = 0.0 0.0
LMAXMIX = 4
Ionic Relaxation
NSW = 300 (Max ionic steps)
IBRION = 2 (Algorithm: 0-MD, 1-Quasi-New, 2-CG)
ISIF = 2 (Stress/relaxation: 2-Ions, 3-Shape/Ions/V, 4-Shape/Ions)
EDIFFG = -0.05 (Ionic convergence, eV/AA)
ISYM = 0 (Symmetry: 0=none, 2=GGA, 3=hybrids)\
MAGMOM = 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 5 -5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
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