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identation

½ð³æ (ÖøÃûдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿¹ØÓÚQHAÄ£¿éµÄʹÓà ÒÑÓÐ4È˲ÎÓë

ÒÔAlAsΪÀý£¬ÏëÇë½ÌһϾßÌ弯Ë㲻ͬζȵÄÈÈÁ¦Ñ§ÐÔÖÊÔõôʵÏÖ¡£

ÒÔÏÂÊÇespresso-4.2Öиø³öµÄÓÃQHA¼ÆËãalasÀý×ÓÖеÄEdit_MeÎļþ

##############################################################################  
# Optional parameters, any information specific for the system studied
#
SysInfo='AlAs'

# Mandatory parameters
# Specify SystemName and Force Constants matrix

Sysname='AlAs'
FC_file='alas444.fc'

#
# Specify lattice type (used to create ttrinp file). It should be the same as in scf.in file
# Specify atoms in the unit cell as they specified in scf.in file
# Specify atomic masses for these atoms in the same order as in scf.in
# Specify the frequency step (delta_e) as well, but 0.75 is a good choice

ibrav=2
atoms="Al   As  "
mass="26.98  74.922 "
delta_e=0.75

# Edit ONLY amass parameters
# Please do not change flfrq='frequency' line
# leave asr (acoustic sum rule) and flfrc lines

cat >matdyn.init < &input
    amass(1)=26.98,
    amass(2)=74.922,
    asr='crystal',
    flfrc=$FC_file,
    flfrq='frequency'
&end
EOF

#
# In most cases there is no need to edit files listed below, but if you like ...
#

# Temperature range for thermodynamic properties
# T_start, T_end, T_step for QHA calculations

cat > Temperature < 5 500 5
EOF

# Debye Temperature calculations
# Phonon DOS filename (total phonon DOS, not projected), leave it as PHDOS.out
# accuracy (limited 1.d-5, more accuracy is not required )
# Low_Temp_start, Low_Temp_end, and Low_Temp_step for Low Temperature  limit, up to 15-30K
# Hihg temperature and T_step for HT limit

cat >T_Debye.in < PHDOS.out
0.0001
3 15 3
500 10
EOF

¾ßÌåʵʩµÄʱºò£¬ÎÒµÄÀí½âÊÇÕâÑùµÄ£¬²»ÖªµÀ¶Ô²»¶Ô£¬ÏëÇë¸ßÈËÖ¸½Ìһϣ¬¸Ð¼¤²»¾¡£¡
£¨1£©Ïȹ¹½¨alas.scf.inÎļþ£¬½øÐÐpw.xµÄ×ÔÇ¢¼ÆË㣻
£¨2£©¹¹½¨alas.ph.in£¬¸ù¾Ý£¨1£©µÄÏà¹ØÊä³ö½øÐÐph.x¼ÆË㣬µÃµ½Á¦³£ÊýºÍ¶¯Á¦Ñ§¾ØÕó£»
£¨3£©ÓÃQHA¼ÆË㣬µ«ÕâÀïQHA¼ÆËãµÄinÎļþµÄд·¨ÊÇÔõÑùµÄÄØ£¿ÎÒµÄÀí½âÊÇÈçÏµģ¬µ«²»Öª¶Ô·ñ£¨ÀïÃæµÄEOFºÍcat > Temperature <
alas.qha.inÎļþ

SysInfo='AlAs'
Sysname='AlAs'
FC_file='alas444.fc'

ibrav=2
atoms="Al   As  "
mass="26.98  74.922 "
delta_e=0.75

cat >matdyn.init < &input
    amass(1)=26.98,
    amass(2)=74.922,
    asr='crystal',
    flfrc=$FC_file,
    flfrq='frequency'
&end
EOF

cat > Temperature < 5 500 5
EOF


cat >T_Debye.in < PHDOS.out
0.0001
3 15 3
500 10
EOF
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lono75

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡ï
wuli8(½ð±Ò+1):лл 2010-05-23 20:45:08
identation(½ð±Ò+3): 2010-05-24 10:16:57
EOF (end of file) ×÷Ϊ±êʶ

cat > Temperature < 5 500 5
EOF

Êǽ«EOFÇ°ÃæµÄÄÚÈÝдÈëTemperature
ÓÉÌìÃü,³ÉÈËÊ£¡
3Â¥2010-05-23 20:43:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 18 ¸ö»Ø´ð

lono75

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

EOF (end of file) ×÷Ϊ±êʶ

cat >T_Debye.in < PHDOS.out
0.0001
3 15 3
500 10
EOF

Êǽ«EOFÇ°ÃæµÄÄÚÈÝдÈë T_Debye.in

qha.x < in.qha
qha.x »á¶ÁÈ¡in.qha É趨µÄ²ÎÊýºÍ
matdyn.init Temperature T_Debye.inÈý¸öÎļþ

[ Last edited by lono75 on 2010-5-23 at 20:59 ]
ÓÉÌìÃü,³ÉÈËÊ£¡
2Â¥2010-05-23 20:40:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

identation

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
Originally posted by lono75 at 2010-05-23 20:43:24:
EOF (end of file) ×÷Ϊ±êʶ

cat > Temperature < 5 500 5
EOF

Êǽ«EOFÇ°ÃæµÄÄÚÈÝдÈëTemperature

ÄÇQHA.inÎļþµÄ¸ñʽÊÇÔõÑùµÄÄØ£¿
4Â¥2010-05-24 10:17:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lono75

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

identation(½ð±Ò+5): 2010-05-24 22:56:14
identation(½ð±Ò+18): 2010-05-25 15:35:17
# Parameters required for QHA calculations
# Total Phonon DOS file
# output file for C_V, S, Internal energy
# T_start, T_end, T_step for QHA calculations
#
cat >fqha.in < PHDOS.out
$Sysname.QHA.out
5 500 5
EOF
ÓÉÌìÃü,³ÉÈËÊ£¡
5Â¥2010-05-24 13:20:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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