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Çë½Ì¸ßÊÖ£¬Î¢ÈÅÃܶȷºº¯·½·¨(DFPT)¼ÆËãÉù×ӯף¬phonopyµÃ²»µ½band.yamlÎļþ£¬Õ¦°ì ÒÑÓÐ1È˲ÎÓë
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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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ÎÒÊDzÎÕÕÕÒ¸ö½Ì³Ì £¨ force constant ÎļþÊÇÔÚ¼ÆËã½áÊøºóÔËÐÐphonopy --fc vasprun.xmlµÃµ½µÄ £©£º ΢ÈÅÃܶȷºº¯·½·¨(DFPT) ½«SPOSCAR¸´ÖÆÎªPOSCAR£¬INCARÉèÖÃÈçÏ 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£¬ÈçÏ 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£ |
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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 |
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