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СµÜ×î½ü¸Õѧsiesta£¬ÓÅ»¯ÁËÒ»¸öGraphene NanogapµÄ½á¹¹£¨ÈçÏÂͼ£©£¬ÆäÖÐHÔ×Ó±»¹Ì¶¨×¡ÁËÒÔά³ÖGAPµÄ¿í¶È£¬grapheneλÓÚXZÆ½Ãæ£¬X,Z·½ÏòÈ¡ÖÜÆÚÐÔ¡£Y·½Ïò£¨´¹Ö±ÓÚgrapheneÆ½Ãæ£©È¡¾§¸ñ³£ÊýΪ10A£¬ÒÔÏû³ýÏàÁÚÖÜÆÚ¼äµÄÏ໥×÷Óá£Ê¯Ä«Ï©ÖеijõʼC-C¼ü³¤È¡1.42 A¡£

Ê×ÏÈÎҹ̶¨¾§¸ñ³£Êý½øÐÐÓÅ»¯£¨MD.VariableCell ÉèΪF£©£¬ÄÜÕý³£ÊÕÁ²¡£
È»ºóÎÒ½«ÊÕÁ²ºóµÄ×ø±ê×÷Ϊ³õʼֵ£¬½øÐо§¸ñ³£ÊýµÄÓÅ»¯£¨MD.VariableCell ÉèΪF£©£¬½á¹û·¢ÏÖ´ÓµÚ1²½£¨CG move£©µ½µÚ106²½¶¼ÄÜÕý³£½øÐУ¬µ«Êǵ½µÚ107²½£¬´Ó1~106Àë×Ó²½¶¼±È½ÏÕý³££¬µ«Êǵ½µÚ107²½Ê±£¬Í»È» dDmax±äµÄºÜ´ó£¬ÓÐʱºòÉõÖÁµ½100¶à£¬µ¼ÖÂÎÞ·¨ÊÕÁ²¡£
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siesta: 275 -756667.1207 59357.5447 59357.4868 86.0287********
siesta: 276 -1936040.6264 116003.2422 116003.1869****************
siesta: 277 -1733352.0923 96502.0460 96502.0299****************
siesta: 278 -996802.5182 41563.9607 41563.9454944.3453********
siesta: 279 -680495.0336 26030.6389 26030.6263468.5206********
Applying kick at iscf: 280
Re-setting Pulay history
siesta: 280 -538864.8988 19188.8921 19188.8700346.1468********
siesta: 281 -621959.5919 32974.9889 32974.9466472.5015********
siesta: 282 -492206.1270 27113.8935 27113.8453129.6775********
siesta: 283 -371698.4079 21917.1985 21917.1572100.0016********
È»ºóÎÒ·¢ÏÖÁËÒ»¸öϸ½Ú£¬Ã¿Ò»¸öÀë×Ó²½Êä³öµÄoutcell: Unit cell vectors µÄY·½Ïò·ÖÁ¿´ÓÒ»¿ªÊ¼µÄ10 Öð½¥¼õС£¬Ò²¾ÍÊÇÏàÁÚµÄʯīƬ֮¼äµÄºñ¶ÈÔÚÖð½¥¼õС¡£ÕâÒ²ÐíÊǵ¼Ö²»ÊÕÁ²µÄÔÒò¡£
siesta °æ±¾ÊÇ3.0b¡£ÎÒÓõ½fdfÎļþÈçÏ£¬¸Ðл¸÷λµÄ°ïæ¡£
#INPUT FOR BNC nanoribbon Jun. 2, 2008
############################
#Genaral system descriptors#
############################
SystemName Nanogap
SystemLabel Graphene_nanogap
NumberOfAtoms 360
NumberOfSpecies 2
%block ChemicalSpeciesLabel
1 6 C
2 1 H # Species index, atomic number, species label
%endblock ChemicalSpeciesLabel
##################
#Basis definition#
##################
User.Basis F # Default value
User.Basis.NetCDF F # Default value
PAO.BasisType split # Default value
PAO.BasisSize STANDARD # Default value
%block PAO.BasisSizes
C STANDARD
H STANDARD
%endblock PAO.BasisSizes
PAO.EnergyShift 0.02 Ry # Default value
PAO.SplitNorm 0.15 # Default value
%block PS.KBprojectors
%endblock PS.KBprojectors
%block PAO.Basis
%endblock PAO.Basis
##################################
#Lattice, coordinates, k-sampling#
##################################
LatticeConstant 1.000 Ang
AtomicCoordinatesFormat NotScaledCartesianAng
AtomCoorFormatOut NotScaledCartesianAng
LatticeConstant 1.000 Ang
%block LatticeVectors
17.04000000 0.0000000000 0.0000000000
0.000000000 10.0000000000 0.0000000000
0.000000000 0.0000000000 68.332000000
%endblock LatticeVectors
%block AtomicCoordinatesOrigin
0.00 0.00 0.000
%endblock AtomicCoordinatesOrigin
%block AtomicCoordinatesAndAtomicSpecies
7.80995568 0.00000239 -32.92969107 1 1 C
4.97005576 -0.00000682 -32.92967832 1 2 C
¡£¡£¡£¡£¡£¡£¡£
-7.10028078 -0.00000162 34.16960127 1 359 C
-1.41963336 -0.00000300 34.16958532 1 360 C
%endblock AtomicCoordinatesAndAtomicSpecies
kgrid_cutoff 10.00 Ang # Default value
#%block kgrid_Monkhorst_pack
# 1 0 0 0.0
# 0 1 0 0.0
# 0 0 10 0.0
#%endblock kgrid_Monkhorst_pack
%block GeometryConstraints
position from 169 to 184
%endblock GeometryConstraints
################
#DFT, Grid, SCF#
################
Harris_Functional F # Default value
XC.Functional GGA
XC.authors PBE
SpinPolarized F # Default value
NonCollinearSpin F
FixSpin F # Default value
TotalSpin 0.0
SingleExcitation F # Default value
MeshCutoff 100.0 Ry # Default value
MaxSCFIterations 300 # Default value
DM.MixingWeight 0.01 # Default value
DM.NumberPulay 6 # Default value
DM.PulayOnFile F # Default value
DM.NumberKick 5 # Default value
DM.KickMixingWeight 0.20 # Default value
DM.MixSCF1 T # Default value
DM.Tolerance 0.0001 # Default value
DM.InitSpinAF F
%block DM.InitSpin
%endblock DM.InitSpin
MullikenInSCF F # Default value
NeglNonOverlapInt F # Default value USE WITH CARE
EggboxScale 1 eV
#####################
#Eigenvalue problems#
#####################
MD.TypeOfRun CG # Default value
MD.VariableCell T # Default value
MD.NumCGsteps 300
MD.MaxCGDispl 0.2 Bohr # Default value
MD.PreconditionVariableCell 5.0 Ang
MD.MaxForceTol 0.02 eV/Ang # Default value
##################
#Parallel options#
##################
BlockSize 8
ProcessorY 2
DiagMemory 2.00 # Default value
DiagScale 1.25
TryMemoryIncrease T # Default value
ParallelOverK T
################
#Output options#
################
LongOutput F # Default value
WriteCoorStep T # Default value
WriteCoorInitial T # Default value
WriteKpoints T
WriteForces T # Default value
WriteDM T # Default value
WriteBands F
WriteKbands F
WriteWaveFunctions F # Default value
WriteMullikenPop 0 # Default value
WriteCoorXmol F # Default value
WriteCoorCerius F # Default value
WriteMDhistory F # Default value
WriteMDXmol T # Default value
WarningMinimumAtomicDistance 1.0 Bohr # Default value
AllocReportLevel 0 # Default value
SignatureRecords F # Default value
####################
#Saving and reading#
####################
UseSaveData T
DM.UseSaveDM T
ON.UseSaveLWF T
MD.UseSaveXV T
MD.UseSaveCG T
SaveHS F # Default value
SaveRho F # Default value
SaveDeltaRho F # Default value
SaveElectrostaticPotential F # Default value
SaveTotalPotential F # Default value
SaveIonicCharge F # Default value
SaveTotalCharge F # Default value
[ Last edited by maad on 2011-6-28 at 21:21 ] |
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