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xiaoqiu007

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[ÇóÖú] Problem - nscf - c_bands: eigenvalues not converged

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./bands_FS.x < Bands_NSP.out >bands_fs.out
forrtl: severe (59): list-directed I/O syntax error, unit 5, file stdin
Image              PC        Routine            Line        Source
bands_FS.x         0809DB77  Unknown               Unknown  Unknown
bands_FS.x         0809D197  Unknown               Unknown  Unknown
bands_FS.x         08071A96  Unknown               Unknown  Unknown
bands_FS.x         08050B4C  Unknown               Unknown  Unknown
bands_FS.x         080507E7  Unknown               Unknown  Unknown
bands_FS.x         08061C93  Unknown               Unknown  Unknown

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http://qe-forge.org/pipermail/pw_forum/2011-October/096758.html£»
http://www.democritos.it/pipermail/pw_forum/2010-July/017605.html£»
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http://muchong.com/html/201207/4667669.html

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3  7
    9.0728
Sc
16 16  8
  1.000000  0.577350  0.000000
  0.000000  1.154701  0.000000
  0.000000  0.000000  0.628094

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3. É趨nbnd=16
ÊäÈëÎļþ
&control
   calculation='nscf',
   prefix='Sc'
   pseudo_dir = '/home/users/spclibtt/home/yexq/shanghai-opt/pw-work/pseudo/',
   outdir='/home/users/spclibtt/home/yexq/shanghai-opt/pw-work/environment/tmp/'
/
&system
   ibrav = 0,
   nat=  2,
   ntyp= 1,
   ecutwfc = 90,
   ecutrho = 400.00,
   nbnd=16
/
&electrons
   diagonalization='cg'
   mixing_beta = 0.7
   conv_thr =  1.0d-10
/
#&CELL
#cell_dynamics= 'damp-pr'
# press=0
#/

ATOMIC_SPECIES
Sc    44.9559    Sc.pbe-nsp-van.UPF

CELL_PARAMETERS {bohr}
6.254820382  0.00000000  0.00000000
-3.127410191  5.41683334  0.00000000
0.000000000  0.00000000  9.958412336

ATOMIC_POSITIONS {crystal}
Sc 0.3333333333333286 0.6666666666666714 0.2500000000000000
Sc 0.6666666666666714 0.3333333333333286 0.7500000000000000
K_POINTS
  2601
    0.000000    0.000000    0.000000  1.00
    0.000000    0.000000    0.078512  1.00
    0.000000    0.000000    0.157024  1.00
    0.000000    0.000000    0.235535  1.00
    0.000000    0.000000    0.314047  1.00
    0.000000    0.000000    0.392559  1.00
.....
Êä³öÎļþ


     Program PWSCF v.5.0.2 (svn rev. 9392) starts on 13Mar2013 at 11:17:57

     This program is part of the open-source Quantum ESPRESSO suite
     for quantum simulation of materials; please cite
         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
          URL http://www.quantum-espresso.org",
     in publications or presentations arising from this work. More details at
     http://www.quantum-espresso.org/quote.php

     Parallel version (MPI), running on    16 processors
     R & G space division:  proc/nbgrp/npool/nimage =      16

     Current dimensions of program PWSCF are:
     Max number of different atomic species (ntypx) = 10
     Max number of k-points (npk) =  40000
     Max angular momentum in pseudopotentials (lmaxx) =  3
     Waiting for input...
     Reading input from standard input

     Atomic positions and unit cell read from directory:
     /home/users/spclibtt/home/yexq/shanghai-opt/pw-work/environment/tmp/Sc.save/


     Subspace diagonalization in iterative solution of the eigenvalue problem:
     a serial algorithm will be used


     Parallelization info
     --------------------
     sticks:   dense  smooth     PW     G-vecs:    dense   smooth      PW
     Min          66      59     22                 2846     2423     554
     Max          67      60     23                 2855     2438     561
     Sum        1069     955    361                45639    38911    8929



     bravais-lattice index     =            0
     lattice parameter (alat)  =       6.2548  a.u.
     unit-cell volume          =     337.4042 (a.u.)^3
     number of atoms/cell      =            2
     number of atomic types    =            1
     number of electrons       =        22.00
     number of Kohn-Sham states=           16
     kinetic-energy cutoff     =      90.0000  Ry
     charge density cutoff     =     400.0000  Ry  #Ó¦¸ÃÓõ½900Âð£¿
     Exchange-correlation      =  SLA  PW   PBE  PBE ( 1 4 3 4 0)
     EXX-fraction              =        0.00

     celldm(1)=   6.254820  celldm(2)=   0.000000  celldm(3)=   0.000000
     celldm(4)=   0.000000  celldm(5)=   0.000000  celldm(6)=   0.000000

     crystal axes: (cart. coord. in units of alat)
               a(1) = (   1.000000   0.000000   0.000000 )  
               a(2) = (  -0.500000   0.866025   0.000000 )  
               a(3) = (   0.000000   0.000000   1.592118 )  

     reciprocal axes: (cart. coord. in units 2 pi/alat)
               b(1) = (  1.000000  0.577350  0.000000 )  
               b(2) = (  0.000000  1.154701  0.000000 )  
               b(3) = (  0.000000  0.000000  0.628094 )  


     PseudoPot. # 1 for Sc read from file:
     /home/users/spclibtt/home/yexq/shanghai-opt/pw-work/pseudo/Sc.pbe-nsp-van.UPF
     MD5 check sum: ff19847cdcb3487ca1f25e4b0e9f43ec
     Pseudo is Ultrasoft + core correction, Zval = 11.0
     Generated by new atomic code, or converted to UPF format
     Using radial grid of  849 points,  6 beta functions with:
                l(1) =   0
                l(2) =   0
                l(3) =   1
                l(4) =   1
                l(5) =   2
                l(6) =   2
     Q(r) pseudized with  6 coefficients,  rinner =    1.200   1.200   1.200
                                                       1.200   1.200

     atomic species   valence    mass     pseudopotential
        Sc            11.00    44.95590     Sc( 1.00)

     24 Sym. Ops., with inversion, found (12 have fractional translation)



   Cartesian axes

     site n.     atom                  positions (alat units)
         1           Sc  tau(   1) = (   0.0000000   0.5773503   0.3980295  )
         2           Sc  tau(   2) = (   0.5000000   0.2886751   1.1940885  )

     number of k points=  2601

     Number of k-points >= 100: set verbosity='high' to print them.

     Dense  grid:    45639 G-vectors     FFT dimensions: (  40,  40,  64)

     Smooth grid:    38911 G-vectors     FFT dimensions: (  40,  40,  64)

     Largest allocated arrays     est. size (Mb)     dimensions
        Kohn-Sham Wavefunctions         0.08 Mb     (    318,   16)
        NL pseudopotentials             0.17 Mb     (    318,   36)
        Each V/rho on FFT grid          0.10 Mb     (   6400)
        Each G-vector array             0.02 Mb     (   2855)
        G-vector shells                 0.01 Mb     (   1357)
     Largest temporary arrays     est. size (Mb)     dimensions
        Each subspace H/S matrix        0.00 Mb     (  16,  16)
        Each matrix      0.01 Mb     (     36,   16)

     The potential is recalculated from file :
     /home/users/spclibtt/home/yexq/shanghai-opt/pw-work/environment/tmp/Sc.save/charge-density.dat

     Starting wfc are   20 randomized atomic wfcs

     total cpu time spent up to now is        1.3 secs

     per-process dynamical memory:    13.6 Mb

     Band Structure Calculation   #¡¾Æô¶¯ÁËBand Structure Calculation £¬µ«ÌØÕ÷Öµ²»ÊÕÁ²¡¿
     CG style diagonalization
     c_bands:  1 eigenvalues not converged  #ÕâÊÇʲô´íÎó
     c_bands:  1 eigenvalues not converged
     c_bands:  2 eigenvalues not converged
     c_bands:  3 eigenvalues not converged
  .........#¡¾ÂÔÈ¥n¸ö...eigenvalues not converged¡¿
     c_bands:  2 eigenvalues not converged
     c_bands:  3 eigenvalues not converged
     c_bands:  2 eigenvalues not converged
     c_bands:  2 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged

     ethr =  4.55E-13,  avg # of iterations = 57.3

     total cpu time spent up to now is     3955.9 secs

     End of band structure calculation

     Number of k-points >= 100: set verbosity='high' to print the bands.

     highest occupied, lowest unoccupied level (ev):     9.9643    8.6137

     Writing output data file Sc.save

     init_run     :      0.50s CPU      0.67s WALL (       1 calls)
     electrons    :   3824.17s CPU   3954.63s WALL (       1 calls)

     Called by init_run:
     wfcinit      :      0.00s CPU      0.00s WALL (       1 calls)
     potinit      :      0.11s CPU      0.11s WALL (       1 calls)

     Called by electrons:
     c_bands      :   3824.16s CPU   3954.62s WALL (       1 calls)
     v_of_rho     :      0.08s CPU      0.09s WALL (       1 calls)
     newd         :      0.04s CPU      0.04s WALL (       1 calls)

     Called by c_bands:
     init_us_2    :      1.08s CPU      1.03s WALL (    2601 calls)
     ccgdiagg     :   3501.84s CPU   3601.94s WALL (   12559 calls)
     wfcrot       :    317.80s CPU    319.55s WALL (   12559 calls)

     Called by *cgdiagg:
     h_psi        :   2831.31s CPU   2893.42s WALL ( 2168039 calls)
     s_psi        :    201.42s CPU    204.42s WALL ( 4323519 calls)
     cdiaghg      :      4.95s CPU      5.16s WALL (   12559 calls)

     Called by h_psi:
     add_vuspsi   :    115.68s CPU    118.56s WALL ( 2168039 calls)

     General routines
     calbec       :    507.36s CPU    523.06s WALL ( 4323519 calls)
     fft          :      0.08s CPU      0.09s WALL (      13 calls)
     ffts         :      0.00s CPU      0.00s WALL (       1 calls)
     fftw         :   2282.87s CPU   2296.81s WALL ( 4733656 calls)
     interpolate  :      0.00s CPU      0.00s WALL (       1 calls)
     davcio       :      0.14s CPU     10.04s WALL (    2601 calls)

     Parallel routines
     fft_scatter  :   1293.12s CPU   1310.33s WALL ( 4733670 calls)

     PWSCF        :     1h 3m CPU        1h 6m WALL


   This run was terminated on:  12:24:32  13Mar2013            

=------------------------------------------------------------------------------=
   JOB DONE.
=------------------------------------------------------------------------------=
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gemucai

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xiaoqiu007

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6Â¥2013-03-14 10:57:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaoqiu007

гæ (СÓÐÃûÆø)

ÎÊÌâÒÀ¾Éû½â¾ö£¬Í·Í´£º
1) ÓÅ»¯Á˽ṹ£»²¢ÔÚ·Ç×ÔÇ¢¼ÆËãÖÐÏȺ󿼲ìÁË
2£©.²»Í¬µÄØÍÊÆ£ºUSPPÓëÄ£ÊØºãØÍÊÆ£¬
3) .ÐÞ¸ÄÁËmixing_beta--0.2£¬
4) .Ôö¼Ómixing_ndim=10£¬
5) . »»Á˶Խǻ¯·½·¨'cg'--'david';
6) . ÐÞ¸ÄÁËecutwfc¼°ecutrho
.......
     ÎÊÌâÒÀÈ»£¬ÕæµÄûÕÞÁË¡£ÄѵÀÕæµÄÎ޽⣿  PWscf Ëã·ÑÃ×Ãæ¾ÍÒªÕâÑùÎÞ¹û¶øÖÕ.....?


Ìù³ö£º×î½üÒ»´ÎµÄnscf²¿·ÖµÄÊäÈëÎļþ¼°Êä³öÎļþÈçÏ£¬ÆÚ´ý¸ßÊÖ¸«Õý£º

ÊäÈ룺
##################( 3.non-scf calculation is performed to obtain the  file:$name.nscf.out########################
#  to obtain eigenvalues (saving to $name.nscf.out) of the kpoints which are in the file kves_$Sysname

cat > $name.nscf.in << EOF
&control
   calculation='nscf',
   prefix='$name'
   pseudo_dir = '$PSEUDO_DIR/',
   outdir='$TMP_DIR/'
/
&system
   ibrav = 0,
   nat=  2,
   ntyp= 1,
   ecutwfc = 90,
   ecutrho = 360.00,
   nbnd=18
/
&electrons
   diagonalization='cg'
   mixing_beta = 0.2
   mixing_ndim = 10
   conv_thr =  1.0d-8
/
ATOMIC_SPECIES
Sc    44.9559  Sc.pbe-sp-hgh.UPF

CELL_PARAMETERS {bohr}
6.270069069    0.001932758     -6.25482E-09
-3.137196645    5.431908189     -1.87645E-08
-1.25096E-08    0.000000000     9.7650248520


ATOMIC_POSITIONS {crystal}
Sc   0.333301249   0.666728758   0.250000432
Sc   0.666698751   0.333271242   0.749999568

K_POINTS
EOF

cat kvecs_$Sysname >>$name.nscf.in

$MPIDIR/mpirun -np $NP -machinefile $CURDIR/.nodelist $EXEDIR/pw.x < $name.nscf.in > $name.nscf.out

Êä³ö£º
.....

Parallel version (MPI), running on    16 processors
     R & G space division:  proc/nbgrp/npool/nimage =      16

     Current dimensions of program PWSCF are:
     Max number of different atomic species (ntypx) = 10
     Max number of k-points (npk) =  40000
     Max angular momentum in pseudopotentials (lmaxx) =  3
     Waiting for input...
     Reading input from standard input

     Atomic positions and unit cell read from directory:
     /home/users/spclibtt/home/yexq/shanghai-opt/pw-work/environment/tmp/Sc.save/


     Subspace diagonalization in iterative solution of the eigenvalue problem:
     a serial algorithm will be used


     Parallelization info
     --------------------
     sticks:   dense  smooth     PW     G-vecs:    dense   smooth      PW
     Min          60      60     22                 2385     2385     544
     Max          62      62     23                 2390     2390     549
     Sum         967     967    367                38201    38201    8755



     bravais-lattice index     =            0
     lattice parameter (alat)  =       6.2701  a.u.
     unit-cell volume          =     332.6407 (a.u.)^3
     number of atoms/cell      =            2
     number of atomic types    =            1
     number of electrons       =        22.00
     number of Kohn-Sham states=           18
     kinetic-energy cutoff     =      90.0000  Ry
charge density cutoff     =     360.0000  Ry
     Exchange-correlation      = SLA-PW-PBX-PBC ( 1 4 3 4 0)
     EXX-fraction              =        0.00

     celldm(1)=   6.270069  celldm(2)=   0.000000  celldm(3)=   0.000000
     celldm(4)=   0.000000  celldm(5)=   0.000000  celldm(6)=   0.000000

     crystal axes: (cart. coord. in units of alat)
               a(1) = (   1.000000   0.000308   0.000000 )
               a(2) = (  -0.500345   0.866323   0.000000 )
               a(3) = (   0.000000   0.000000   1.557403 )

     reciprocal axes: (cart. coord. in units 2 pi/alat)
               b(1) = (  0.999822  0.577447  0.000000 )
               b(2) = ( -0.000356  1.154098  0.000000 )
               b(3) = (  0.000000  0.000000  0.642095 )


     PseudoPot. # 1 for Sc read from file:
     /home/users/spclibtt/home/yexq/shanghai-opt/pw-work/pseudo/Sc.pbe-sp-hgh.UPF
     MD5 check sum: 97710d3f2ecb2a27396effe433afd68f
     Pseudo is Norm-conserving, Zval = 11.0
     Generated in analytical, separable form
     Using radial grid of 1173 points,  5 beta functions with:
                l(1) =   0
                l(2) =   0
                l(3) =   1
                l(4) =   1
                l(5) =   2

     atomic species   valence    mass     pseudopotential
        Sc            11.00    44.95590     Sc( 1.00)

      4 Sym. Ops., with inversion, found ( 2 have fractional translation)



   Cartesian axes

     site n.     atom                  positions (alat units)
         1           Sc  tau(   1) = (  -0.0002930   0.5777055   0.3893514  )
         2           Sc  tau(   2) = (   0.4999482   0.2889262   1.1680516  )

  number of k points=  2601

     Number of k-points >= 100: set verbosity='high' to print them.

     Dense  grid:    38201 G-vectors     FFT dimensions: (  40,  40,  60)

     Largest allocated arrays     est. size (Mb)     dimensions
        Kohn-Sham Wavefunctions         0.08 Mb     (    306,   18)
        NL pseudopotentials             0.12 Mb     (    306,   26)
        Each V/rho on FFT grid          0.10 Mb     (   6400)
        Each G-vector array             0.02 Mb     (   2390)
        G-vector shells                 0.02 Mb     (   2214)
     Largest temporary arrays     est. size (Mb)     dimensions
        Each subspace H/S matrix        0.00 Mb     (  18,  18)
        Each matrix      0.01 Mb     (     26,   18)

     The potential is recalculated from file :
     /home/users/spclibtt/home/yexq/shanghai-opt/pw-work/environment/tmp/Sc.save/charge-density.dat

     Starting wfc are    0 randomized atomic wfcs

     total cpu time spent up to now is        1.8 secs

     per-process dynamical memory:    21.1 Mb

     Band Structure Calculation
     CG style diagonalization
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
     c_bands:  1 eigenvalues not converged
.............
8Â¥2013-03-15 06:42:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

goldenfisher

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
WDD880227: ½ð±Ò+1, ллָ½Ì 2013-03-27 10:22:40
ÄãÓõÄÊdz¬ÈíØÍÊÆ£¬ecutwfc = 90,   ecutrho = 400.00,µÄÉèÖÃÊDz»¶ÔµÄ¡£ecutrhoÖÁÉÙҪΪecutwfcµÄ8-12±¶¡£
ScÊǽðÊôÂð£¿Èç¹ûÊǽðÊô£¬±ØÐëÒªÓÐsmearingÏà¹ØÉèÖá£
9Â¥2013-03-15 09:50:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaoqiu007

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
9Â¥: Originally posted by goldenfisher at 2013-03-15 09:50:40
ÄãÓõÄÊdz¬ÈíØÍÊÆ£¬ecutwfc = 90,   ecutrho = 400.00,µÄÉèÖÃÊDz»¶ÔµÄ¡£ecutrhoÖÁÉÙҪΪecutwfcµÄ8-12±¶¡£
ScÊǽðÊôÂð£¿Èç¹ûÊǽðÊô£¬±ØÐëÒªÓÐsmearingÏà¹ØÉèÖá£

ÕâÊÇÎÒ·ÂÕպµÄCuµÄ¼ÆËãÀý×ÓÎļþдµÄ½Å²½£¬°üÀ¨ESPRESSO 5.0.2 pp/examples/example02»òÀϰæµÄexample08¼ÆËã·ÑÃ×ÃæµÄÀý×ÓÎļþÖзÇ×ÔÇ¢¼ÆË㲿·Ö¾ùÎÞÐèÉ趨smearing¡£ScÊǽðÊô¡£
       Sc.pbe-sp-hgh.UPFÊÇÄ£ÊØºãØÍÊÆ£¬Ö®Ç°ÓõÄÊdz¬ÈíØÍÊÆSc.pbe-nsp-van.UPF£ºecutwfc = 90,   ecutrho = 960.00¡£½á¹ûͬÉÏ£¬ÈÔÈ»ÊDz»ÊÕÁ²¡£
      ØÍÊÆÍøÖ·ÈçÏ£º
  http://www.quantum-espresso.org/ ... m_k=&origin_id=
     



#######################¡¾×ÔÇ¢¼ÆË㣬²úÉú$name.scf.out_$aÎļþ£¬¼´Sc.scf.out_0Îļþ¡¿################################ self-consistent calculation -Non-Spin-Polarised case  #¡¾ÎªÊ²Ã´Òª½øÐÐ×ÔÇ¢¼ÆË㣬ĿµÄÊÇ.....¡¿

for a in 0
do
cat > $name.scf.in_$a << EOF
&control
    calculation = 'scf'
    restart_mode='from_scratch',
    prefix='$name',
    pseudo_dir = '$PSEUDO_DIR/',
    outdir='$TMP_DIR/'
    tstress=.t.,
    tprnfor=.t.
/
&system
  ibrav=0,
  nat=2,
  ntyp=1,
  ecutwfc=90.0, ecutrho = 360.0
  occupations='smearing',
  smearing='methfessel-paxton',
  degauss=0.02
/
&electrons
conv_thr = 1.0d-8  
mixing_beta = 0.7
/
#&CELL
#cell_dynamics= 'damp-pr'
# press=$a
#/

ATOMIC_SPECIES
Sc    44.9559    Sc.pbe-nsp-van.UPF

CELL_PARAMETERS {bohr}
6.254820382  0.00000000  0.00000000
-3.127410191  5.41683334  0.00000000
0.000000000  0.00000000  9.958412336

ATOMIC_POSITIONS {crystal}
Sc 0.3333333333333286 0.6666666666666714 0.2500000000000000
Sc 0.6666666666666714 0.3333333333333286 0.7500000000000000

K_POINTS {automatic}
8 8 4 0 0 0
EOF
$PW_ROOT/pw.x  < $name.scf.in_$a >$name.scf.out_$a
done

#########¡¾×¼±¸²¢ÓÃkvecs_FS.x³ÌÐò²úÉú¼ÆËã·ÑÃ×ÃæÒªÓõ½µÄÃܼ¯Íø¸ñkµã£¬¸÷kµã×ø±ê´æ´¢ÓÚÎļþkves_$SysnameÖС¿#############
#kves_$SysnameµÄ¶¨Òå¼ûkeves_FS.fÔ´³ÌÐò


# prepare input file $name.fs.in
#
Sysname='$name'
Calc_Type='FS'
nabc=' 16 16  8'     #¡¾kµã·Ö¸îÊýÓëÒ»°ãµÄ¼ÆËãÏàͬÂð¡¿
n_start=3
n_last=6
#
E_Fermi=`grep Fermi $name.scf.out_$a| cut-c 26-36`    #¡¾$name.scf.out_$a£¬ÓÉǰһ²½×ÔÇ¢¼ÆËã²úÉú¡¿
a1=`grep 'b(1)' $name.scf.out_$a| cut -c 24-54`
a2=`grep 'b(2)' $name.scf.out_$a| cut -c 24-54`
a3=`grep 'b(3)' $name.scf.out_$a| cut -c 24-54`

cat > kvecs_FS.in < $a1                            #$a1¾ßÓÐxx,xx,xxµÄÊý×Ö¸ñʽ£¬Ï൱ÓÚһάÏòÁ¿£¬Óënabc¸ñʽÀàËÆ£¬¼ûÉÏ
$a2
$a3
$nabc
$Sysname
EOF

kvecs_Fs.x < kvecs_FS.in >kvecs_FS.out


#########################¡¾·Ç×ÔÇ¢¼ÆË㣬²úÉúÎļþ$name.nscf.out¡¿########################
# ½øÐÐÒ»´Î·Ç×ÔÇ¢¼ÆË㣬¼ÆËãÉÏÒ»²½²úÉúµÄ¸÷kµãµÄ±¾Õ÷Öµ£»

cat > $name.nscf.in << EOF
&control
   calculation='nscf',
   prefix='$name'
   pseudo_dir = '$PSEUDO_DIR/',
   outdir='$TMP_DIR/'
/
&system
    ibrav = 0,
   nat=  2,
   ntyp= 1,
   ecutwfc = 90,
   ecutrho = 400.00,
#  occupations='smearing',   #¡¾·Ç×ÔÇ¢¼ÆËãÕâЩ²ÎÊý¾ùÎÞ±ØÒª¡¿
  # smearing='methfessel-paxton',
  # degauss=0.02
   nbnd=8  #¡¾Ò»¶¨Òª¶¨ÒånbndÂð£¿Ä¬ÈÏÖµÊÇ.....¡¿
/
&electrons
  diagonalization='cg'  
   mixing_beta = 0.7
   conv_thr =  1.0d-10          #¡¾1.0d-10Óë1.0e-10º¬ÒåÒ»ÑùÂð¡¿
/
#¡¾diagonalization='cg' Ó¢ÎÄ×¢ÊÍ£ºconjugate-gradient-like band-by-band diagonalization. Typically slower than 'david' but it uses less memory     and is more robust (it seldom fails)¡¿

#&CELL
#cell_dynamics= 'damp-pr'
# press=$a
#/

ATOMIC_SPECIES
Sc    44.9559    Sc.pbe-nsp-van.UPF

CELL_PARAMETERS {bohr}
6.254820382  0.00000000  0.00000000
-3.127410191  5.41683334  0.00000000
0.000000000  0.00000000  9.958412336

ATOMIC_POSITIONS {crystal}
Sc 0.3333333333333286 0.6666666666666714 0.2500000000000000
Sc 0.6666666666666714 0.3333333333333286 0.7500000000000000
K_POINTS    #¡¾K_POINTSÒÑÔÚÉÏÒ»²½²úÉú¡¿
EOF

cat kvecs_$Sysname >>$name.nscf.in ¡¾½«ÉÏÒ»²½²úÉúµÄ¸÷kµã×ø±ê£¬¸½¼Óµ½$name.nscf.in ÎļþºóÃæ¡¿

$PW_ROOT/pw.x< $name.nscf.in >$name.nscf.out

##########¡¾²ÉÓÃbands_FS.x³ÌÐò½«ÉÏÒ»²½µÃµ½µÄkµã¼°ÏàÓ¦±¾Õ÷ֵת»¯³ÉxcrysdenÄܶÁÈ¡µÄbxsf¸ñʽ¡¿##########################

#¡¾ÏÂÃæÊǼ´½«¼ûÖ¤Ææ¼£µÄʱ¿Ì-²ÉÓÃbands_FS.x½«¼ÆËãµÄkµãÒÔ¼°ÏàÓ¦µÄ±¾Õ÷Öµ£¬×ª»»³ÉxcrysdenÈí¼þµÄbxsf¸ñʽ£¬ÒÔ±ã²ÉÓÃxcrysdenÀ´»­Í¼¡£ ¡¿

# prepare input data (input_FS, Bands.out)for bands_FS

mv $name.nscf.out  Bands_NSP.out
    #¡¾×¢ÒâÕâÀûÓÃÁË·Ç×ÔÇ¢¼ÆËã²úÉúµÄ$name.nscf.outÎļþ£¬¸Ã²½µÄÒâÒå¿ÉÄÜÊÇbands_FS.x³ÂÐñĬÈ϶ÁÈ¡ÎļþÃûΪ Bands_NSP.out?¡¿

cat > input_FS < $n_start $n_last
$E_Fermi
$Sysname
$nabc
$a1
$a2
$a3
EOF

$PW_ROOT/bands_FS.x < Bands_NSP.out >bands_fs.out    #¡¾ÕâÒ»²Ù×÷½«²úÉúBands_FS.bxsfÎļþ¡¿
mv Bands_FS.bxsf  $name.fs_NSP.bxsf    #¡¾ÕâÒ»²Ù×÷ÒâÒå²»´ó£¬ÊÇΪÁ˼ÇÒä·½±ã¡¿

$ECHO "  Fermi surface plot: use 'xcrysden --bxsf $name.fs_NSP.bxsf' to plot ...\c"
$ECHO" done"

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




ESPRESSO 5.0.2 pp/examples/example02½â¶Á
10Â¥2013-03-15 14:29:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xiaoqiu007 µÄÖ÷Ìâ¸üÐÂ
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[¿¼ÑÐ] µ÷¼ÁÇóÖú +10 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-02 13/650 2026-04-05 09:41 by sam3303
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[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú +6 ÔªÔªÇàÇà 2026-03-31 8/400 2026-04-04 22:15 by lys0704
[¿¼ÑÐ] 272Çóµ÷¼Á +4 Ëɰس£Çà5 2026-04-03 4/200 2026-04-04 17:03 by babysonlkd
[¿¼ÑÐ] 070300»¯Ñ§Çóµ÷¼Á +16 С»ÆÑ¼±¦ 2026-03-30 16/800 2026-04-04 11:49 by asdhh1991
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖйúʯÓÍ´óѧ»¯Ñ§¹¤³Ì323·ÖÇóµ÷¼Á +4 »¯¹¤×¨Ë¶323·Ö 2026-04-03 6/300 2026-04-03 22:12 by dongzh2009
[¿¼ÑÐ] 295Çóµ÷¼Á +3 ÉÐټѽ 2026-04-03 4/200 2026-04-03 21:23 by zhq0425
[¿¼ÑÐ] 366Çóµ÷¼ÁÒ»Ö¾Ô¸¶«±±´óѧ +8 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 8/400 2026-04-02 21:39 by dongzh2009
[¿¼ÑÐ] 0856²ÄÁÏÓ뻯¹¤µ÷¼Á£¬339 +14 10213207 2026-03-31 14/700 2026-04-02 21:01 by 1104338198
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