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cd $WORK_DIR/scf-results
rm  $WORK_DIR/scf-results/*


# VASP scf input files
cat > INCAR << EOF
SYSTEM = graphene
!LORBIT=11
PREC = Accurate   ! standard precision
LREAL = .FALSE.  ! real/reciprocial space projection

ISMEAR = 0
SIGMA = 0.02   
IALGO=48   
NBANDS=  70  

EDIFF = 1E-6
ISTART = 0 !
IBRION=-1
NELMIN = 10       ! do a minimum of four electronic steps
NSW = 0         !  steps

ISPIN = 1        ! spin polarized calculation or not
LVHAR= .TRUE.

EOF

cat > POSCAR << EOF
graphene                                 
  9.84
     1.0000000000000000    0.0000000000000000    0.0000000000000000
    -0.5000000000000000    0.8660254037844387    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.0000000000000000
   C   
   32   
Direct
        0.000000000   0.000000000   0.500000000
        0.250000000   0.000000000   0.500000000
        0.500000000   0.000000000   0.500000000
        0.750000000   0.000000000   0.500000000
        0.000000000   0.250000000   0.500000000
        0.000000000   0.500000000   0.500000000
        0.000000000   0.750000000   0.500000000
        0.250000000   0.250000000   0.500000000
        0.500000000   0.250000000   0.500000000
        0.750000000   0.250000000   0.500000000
        0.250000000   0.500000000   0.500000000
        0.500000000   0.500000000   0.500000000
        0.750000000   0.500000000   0.500000000  
        0.250000000   0.750000000   0.500000000
        0.500000000   0.750000000   0.500000000
        0.750000000   0.750000000   0.500000000  
        0.083333333   0.166666666   0.500000000
        0.333333333   0.166666666   0.500000000
        0.583333333   0.166666666   0.500000000
        0.833333333   0.166666666   0.500000000
        0.083333333   0.416666666   0.500000000
        0.333333333   0.416666666   0.500000000
        0.583333333   0.416666666   0.500000000
        0.833333333   0.416666666   0.500000000
        0.083333333   0.666666666   0.500000000
        0.333333333   0.666666666   0.500000000
        0.583333333   0.666666666   0.500000000
        0.833333333   0.666666666   0.500000000
        0.083333333   0.916666666   0.500000000
        0.333333333   0.916666666   0.500000000
        0.583333333   0.916666666   0.500000000
        0.833333333   0.916666666   0.500000000
EOF

zcat  $PSEUDO_DIR/paw/PBE/elements/C/POTCAR.Z  >  POTCAR


cat > KPOINTS << EOF
Automatic mesh
0              ! number of k-points = 0 ->automatic generation scheme
Gamma          ! generate a Gamma centered grid
4  4  1        ! subdivisions N_1, N_2 and N_3 along recipr. l. vectors
0. 0. 0.       ! optional shift of the mesh (s_1, s_2, s_3)
EOF



$VASP_COMMAND > scf.out


rm -r $WORK_DIR/bands-results
cp -r $WORK_DIR/scf-results $WORK_DIR/bands-results
cd $WORK_DIR/bands-results

###################################################


#####################################################################

#band structure calculation

# VASP input files
cat > INCAR << EOF
SYSTEM = graphene-pt

ICHARG = 11
!LORBIT=11
NBANDS= 70

  IALGO = 48

PREC = Accurate    ! standard precision
!ENCUT = 400    !
LREAL = .FALSE.  ! real/reciprocial space projection

ISMEAR = 0
SIGMA = 0.02      
   !The default is LMAXMIX=2.
   !For the calculation of band structures within the L(S)DA+U approach
   !it is strictly required to increase LMAXMIX to 4 (d elements) and 6 (f elements).
!EDIFF = 1E-6

ISTART = 1 !
IBRION=-1
NSW = 0         !  steps

EOF



cat > KPOINTS << EOF
k-points along high symmetry lines
10  ! 10 intersections
Line-mode
Reciprocal
  0.0000000  0.0000000   0.0000000   ! gamma
  0.5000000  0.0000000   0.0000000   ! M

  0.5000000  0.0000000   0.0000000   ! M
  0.3333333  0.3333333   0.0000000   ! K

  0.3333333  0.3333333   0.0000000   ! K
  0.0000000  0.0000000   0.0000000   ! gamma
¼ÆËãgrapheneµÄÎÊÌâ
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[ Last edited by maxfei on 2013-9-20 at 00:37 ]
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