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[ÇóÖú] Çë½Ì¸ßÊÖ£¬Î¢ÈÅÃܶȷºº¯·½·¨(DFPT)¼ÆËãÉù×ӯף¬phonopyµÃ²»µ½band.yamlÎļþ£¬Õ¦°ì ÒÑÓÐ1È˲ÎÓë

VASP½áºÏPhonopy¼ÆËãÉù×ӯף¬Î¢ÈÅÃܶȷºº¯·½·¨(DFPT)£¬¼ÆËã½áÊøºóÔËÐÐphonopy --fc vasprun.xmlµÃµ½FORCE_CONSTANTSÎļþ£¬×¼±¸band.confÎļþ£¬
ÔËÐÐphonopy --dim 2 2 2 -c POSCAR-unitcell band.confµÃ²»µ½band.yamlÎļþ¡£³öÏÖÌáʾ£º
"band.conf" was read as phonopy configuration file.
Crystal structure was read from "POSCAR-unitcell".
Unit of length: angstrom
Band structure mode
Settings:
  Force constants symmetrization: on
  Supercell: [2 2 2]
Spacegroup: Pbcm (57)
Use -v option to watch primitive cell, unit cell, and supercell structures.

Force constants are read from "FORCE_CONSTANTS".

Number of atoms in supercell (224) is not consistent with the matrix shape of
force constants (28, 28) read from FORCE_CONSTANTS.
Please carefully check DIM, FORCE_CONSTANTS, and POSCAR-unitcell.
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dxcharlary

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Number of atoms in supercell (224) is not consistent with the matrix shape of
force constants (28, 28) read from FORCE_CONSTANTS.
Please carefully check DIM, FORCE_CONSTANTS, and POSCAR-unitcell.

Õâ²»ÊÇдµÄºÜÇå³þÂð£¿Äã¼ÆËãµÄforce constantÎļþÒªÓó¬°ûµÄPOSCAR
2Â¥2024-02-11 20:55:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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ÒýÓûØÌû:
2Â¥: Originally posted by dxcharlary at 2024-02-11 20:55:39
Number of atoms in supercell (224) is not consistent with the matrix shape of
force constants (28, 28) read from FORCE_CONSTANTS.
Please carefully check DIM, FORCE_CONSTANTS, and POSCAR-unitcell.
...

ÎÒÊDzÎÕÕÕÒ¸ö½Ì³Ì £¨ force constant  ÎļþÊÇÔÚ¼ÆËã½áÊøºóÔËÐÐphonopy --fc vasprun.xmlµÃµ½µÄ £©£º
΢ÈÅÃܶȷºº¯·½·¨(DFPT)
½«SPOSCAR¸´ÖÆÎªPOSCAR£¬INCARÉèÖÃÈçÏÂ

Global Parameters
ISTART =  0      
ISPIN  =  1      
ICHARG =  2      
LREAL  = .FALSE.  
ENCUT  =  500     
PREC   =  A      
LWAVE  = .FALSE.  
LCHARG = .FALSE.  
ADDGRID= .TRUE.   

Electronic Relaxation
ISMEAR =  0      
SIGMA  =  0.05   
NELM   =  90     
NELMIN =  6      
EDIFF  =  1E-08  
GGA    =  PE     
ALGO   =  N

Ionic Relaxation
NSW    =  1        
IBRION =  8                  
EDIFFG = -0.01
KPOINTSΪ

K-Spacing Value to Generate K-Mesh: 0.040
0
Gamma
   4   4   4
0.0  0.0  0.0
¼ÆËã½áÊøºóÔËÐÐphonopy --fc vasprun.xmlµÃµ½FORCE_CONSTANTSÎļþ¡£

×¼±¸band.confÎļþ£¬ÈçÏÂ

ATOM_NAME = Si
DIM = 2 2 2
BAND = 0.0 0.0 0.0 0.5 0.5 0.0, 0.5 0.5 1.0 0.0 0.0 0.0, 0.0 0.0 0.0 0.5 0.5 0.5
BAND_POINTS = 51
BAND_LABELS = $\Gamma$ X, X $\Gamma$, $\Gamma$ L
BAND_CONNECTION = .TRUE.
FORCE_CONSTANTS = READ
FC_SYMMETRY = .TRUE.
ÔËÐÐphonopy --dim 2 2 2 -c POSCAR-unitcell band.confµÃµ½band.yamlÎļþ¡£

ÔËÐÐphonopy-bandplot --gnuplot > band.datµÃµ½¿ÉÓÃOrigin»­Í¼µÄband.datÎļþ¡£

×¢Ò⣺Èç¹ûÏëÒªÖ±½Ó³öͼ£¬¿ÉÒÔÔËÐÐphonopy -c POSCAR-unitcell band.conf -p -s£¬Ö®ºó»áµÃµ½band.pdfÎļþµÈ£¬Àï±ß»æÖƺÃÁËÉù×ӯס£
3Â¥2024-02-21 10:37:25
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