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ÎÒÓ¦ÓõÄÊDZê×¼»¯¾§°û½á¹¹£¬a = b = 20.3Å£¬²Ù×÷²½ÖèΪ£º
1.½á¹¹ÓÅ»¯£¬INCARÎļþÈçÏ£º
#### initial I/O ####
ISTART = 1
ICHARG = 1
LWAVE = .FALSE.
LCHARG = .TRUE.
LVTOT = .FALSE.
LVHAR = .FALSE.
LELF = .FALSE.
# LORBIT = 11
# NEDOS = 2000

#### Ele Relax ####
ENCUT = 500 # ½Ø¶ÏÄÜ£¬Ô½¸ß±íʾ¾«¶ÈÔ½¸ß£¬Ä¬ÈÏ400eV
ISMEAR = 0 # ºÍSIFGMAÒ»Æð¾ö¶¨ÔÚ×ö²¼ÀïÔ¨Çø»ý·Öʱ£¬ÈçºÎ¼ÆËã·Ö²¼º¯Êý¡£¾øÔµÌå0-0.05£¬½ðÊô1/2-0.2£¬Ì¬ÃܶÈ-5£¬SIGMA²»ÉèÖÃ
SIGMA = 0.05

EDIFF = 1E-5  # ¿ØÖÆ×ÔÇ¢ÓÅ»¯ÊÕÁ²µÄÄÜÁ¿±ê×¼£¬¼´Ç°ºóÁ½´ÎÄÜÁ¿²îСÓÚÕâ¸öÖµÔòÊÕÁ²Íê³É¡£Ä¬ÈÏ1E-4
NELMIN = 5 #µç×Ó×ÔÇ¢µÄ×îС²½Êý£¬Ä¬ÈÏΪ2
NELM = 300 #µç×Ó×ÔÇ¢µÄ×î´ó²½Êý£¬Ä¬ÈÏ60
GGA = PE #½»»»¹ØÁªÊƵÄÀàÐÍ£¬VASP»á¸ù¾ÝPOTCAR×Ô¶¯È·¶¨(ÎÒÃÇÓÃµÄØÍÊÆ¿âËù¶ÔÓ¦µÄΪPE)£¬Ò²¿É²»ÓÃÉèÖÃ
LREAL = .FALSE.# ±íÃæ¼ÆËãÓÃAuto¡£¾ö¶¨Í¶Ó°Ëã·ûÔÚʵ¿Õ¼ä»¹Êǵ¹¿Õ¼ä¼ÆË㣬¸ß¾«¶È¼ÆËãÓÃFALSE£¬ÔÚ³¬¹ý20¸öÔ­×ÓµÄϵͳÖпÉÒÔÉèÖóÉAuto¡£
ISYM = 0 # È·¶¨ÊÇ·ñ´ò¿ª¶Ô³ÆÐÔ£¬1¡¢2¡¢3Ϊ´ò¿ª¶Ô³ÆÐÔ£¬-1¡¢0¹Ø±Õ¶Ô³ÆÐÔ¡£
PREC = Normal # ¿ØÖƼÆË㾫¶ÈµÄ²ÎÊý£¬»áÓ°Ïì¶à¸ö²ÎÊý±ÈÈçENCUT¡£Ò»°ãĬÈÏΪNormal£¬¸ß¾«¶ÈµÄ¼ÆËã±ÈÈçÉù×Ó¼ÆËãʱÐèÒªÉèÖóÉAccurate¡£
IVDW = 10 # DFT-D2½ÃÕý·¶µÂ»ªÁ¦¡£11ΪD3½ÃÕý¡£
# LDIPOL = .TRUE.# Á½¸ö¿ØÖƱíÃæÅ¼¼«Ð£Õý£¬¶ÔÓÚÉÏϱíÃæ²»¶Ô³Æ£¬»áÒýÈëż¼«£¬µ«ÊÇSCFÊÕÁ²±äÂý
# IDIPOL = 3

#### Geo opt ####
EDIFFG = -0.001 # É趨½á¹¹ÓÅ»¯µÄ¾«¶È£¬ÕýÖµ±íʾÄÜÁ¿£¬¸ºÖµ±íʾÁ¦£¬½¨ÒéÉèÖÃΪ¸ºÖµ£¨ÌرðÊÇÉù×Ó¼ÆËãʱÐèÒªÉèÖøüСµÄÖµ£©
IBRION = 2 # ¾ö¶¨Á£×ÓÈçºÎÔ˶¯¡£-1±íʾÀë×Ó²»¶¯£»0±íʾµÚÒ»ÐÔÔ­Àí·Ö×Ó¶¯Á¦Ñ§Ä£Ä⣻1±íʾ׼ţ¶Ù·¨½øÐнṹÓÅ»¯£»2±íʾ¹²éîÌݶȷ¨½øÐнṹÓÅ»¯
POTIM = 0.2 # IBRION=0ʱ£¬ÎªÊ±¼ä²½³¤£¬µ¥Î»Îªfs£»ÔڽṹÓÅ»¯¼ÆËãʱ(1\2\3)£¬ÎªÁ¦µÄËõ·ÅÒò×Ó£¬Ä¬ÈÏΪ0.5
NSW = 300 # Àë×ÓÔ˶¯µÄ×î´ó²½Êý£¬ÔÚ×ö½á¹¹ÓÅ»¯ºÍ·Ö×Ó¶¯Á¦Ñ§Ä£ÄâÖÐÉèÖá£Ä¬ÈÏֵΪ0£¬¼´Àë×Ó²»¶¯¡£
ISIF = 2 # 0-²»¼ÆËãÓ¦Á¦ÕÅÁ¿£»1-½á¹¹ÓÅ»¯Ê±Ö»¼ÆËã×ܵÄÓ¦Á¦£¬Ö»ÓÅ»¯Àë×ÓλÖá£2~7¼ÆËãÓ¦Á¦ÕÅÁ¿¡£2Ö»ÈÃÀë×ÓλÖÃ×öÓÅ»¯£¬¾§°ûʸÁ¿²»×öÓÅ»¯£»3£ºÍ¬Ê±ÓÅ»¯Àë×ÓλÖá¢Ô­°ûÐÎ×´ºÍÌå»ý
ALGO=VeryFast #µç×Ó×îÓÅ»¯µÄËã·¨¡£

#### Mag ####
# ISPIN = 2 # µç×Ó×ÔÐý¼«»¯µÄ¿ª¹Ø¡£Ä¬ÈÏΪ1£¬·Ç´ÅÐÔ¼ÆË㣬×ÔÐý·Ç¼«»¯Ìåϵ£»2.×ÔÐý¼«»¯Ìåϵ¡£¼òµ¥´ÅÐÔÌåϵֱ½ÓÉèÖóÉ2£¬magmom²»±ØÉèÖá£
2.vaspkit302¹¦ÄÜÉú³ÉKPATH.in£¬ÕâÒ»²½±¾À´Ó¦¸ÃÉú³ÉPRIMCELL£¬µ«ÊÇÎÒÑ¡ÁË302¹¦ÄÜÖ®ºóûÓÐÉú³ÉPRIMCELLÎļþ£¬ÎҾͼÌÐøÓÃÉÏÒ»²½½á¹¹ÓÅ»¯Éú³ÉµÄCONTCARÎļþÁË¡£
3.vaspkit251£¬2£¬0.05£¬0.05¹¦ÄÜÉú³ÉKPOINTSÎļþ¡£ÎÒµÄKPOINTSÎļþÊÇ£º
0.050   1   1   1    1  0.050   15    3    5    5    5           # Parameters to Generate KPOINTS (Do NOT Edit This Line)
    16
Reciprocal lattice
    0.00000000000000    0.00000000000000    0.00000000000000     1
    0.00000000000000    0.00000000000000    0.00000000000000     0
    0.12500000000000    0.00000000000000    0.00000000000000     0
    0.25000000000000    0.00000000000000    0.00000000000000     0
    0.37500000000000    0.00000000000000    0.00000000000000     0
    0.50000000000000    0.00000000000000    0.00000000000000     0
    0.50000000000000    0.00000000000000    0.00000000000000     0
    0.45833333332500    0.08333333332500    0.00000000000000     0
    0.41666666665000    0.16666666665000    0.00000000000000     0
    0.37499999997500    0.24999999997500    0.00000000000000     0
    0.33333333330000    0.33333333330000    0.00000000000000     0
    0.33333333330000    0.33333333330000    0.00000000000000     0
    0.24999999997500    0.24999999997500    0.00000000000000     0
    0.16666666665000    0.16666666665000    0.00000000000000     0
    0.08333333332500    0.08333333332500    0.00000000000000     0
    0.00000000000000    0.00000000000000    0.00000000000000     0
4.vaspkitÉú³ÉHSE06×ÔÇ¢¼ÆËãµÄINCAR£º
Global Parameters
NCORE=4
ISTART =  1            (Read existing wavefunction, if there)
ISPIN  =  1            (Non-Spin polarised DFT)
#ICHARG =  11         (Non-self-consistent: GGA/LDA band structures)
LREAL  = .FALSE.       (Projection operators: automatic)
ENCUT  =  600        (Cut-off energy for plane wave basis set, in eV)
# PREC   =  Accurate   (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  = .TRUE.      (Write total electrostatic potential into LOCPOT or not)
# LVHAR  = .TRUE.      (Write ionic + Hartree electrostatic potential into LOCPOT or not)
# NELECT =             (No. of electrons: charged cells, be careful)
# LPLANE = .TRUE.      (Real space distribution, supercells)
# NWRITE = 2           (Medium-level output)
# KPAR   = 2           (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)

Static Calculation
ISMEAR =  0            (gaussian smearing method)
SIGMA  =  0.05         (please check the width of the smearing)
LORBIT =  11           (PAW radii for projected DOS)
NEDOS  =  2001         (DOSCAR points)
NELM   =  60           (Max electronic SCF steps)
EDIFF  =  1E-08        (SCF energy convergence, in eV)

HSE06 Calculation
LHFCALC= .TRUE.       (Activate HF)
AEXX   =  0.25        (25% HF exact exchange, adjusted this value to reproduce experimental band gap)
HFSCREEN= 0.2         (Switch to screened exchange, e.g. HSE06)
ALGO   =  ALL         (Electronic Minimisation Algorithm, ALGO=58)
TIME   =  0.4         (Timestep for IALGO5X)
PRECFOCK= N           (HF FFT grid)
# NKRED    = 2        (Reduce k-grid-even only, see also NKREDX, NKREDY and NKREDZ)
# HFLMAX   = 4        (HF cut-off: 4d, 6f)
# LDIAG    = .TRUE.   (Diagnolise Eigenvalues)
5.vaspkit252¹¦ÄÜÉú³ÉbandÄÜ´øÍ¼£¬ÕâÊÇÎÒµÄÉú³É½á¹û£º
+-------------------------- Summary ----------------------------+
          Band Character:    Direct
           Band Gap (eV):    2.5392
  Eigenvalue of VBM (eV):   -5.4925
  Eigenvalue of CBM (eV):   -2.9533
       HOMO & LUMO Bands:        99       100
         Location of VBM:  0.000000  0.000000  0.000000
         Location of CBM:  0.000000  0.000000  0.000000
¹Ù·½µÄÉú³É½á¹ûÊÇ£º
Band Gap: 2.5381 eV  (HSE06)
HOMO: -5.8981 eV  (Ured = 1.88 V )      
LUMO: -3.36 eV (Uox := 0.66 V)



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