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ºóËѵ½Ò»×éÊÆÄܲÎÊýÀ´×ÔÓÚÆªÎÄÕÂhttp://journals.aps.org/prb/abstract/10.1103/PhysRevB.89.094102£¨¼û¸½¼þ£©
×öµÄÊÇ´¿Fe3CµÄÊÆÄÜ£¬Ïà¹Ø²ÎÊýÎļþÈçÏ£º
# Fe3C (Cementite) library MEAM file used in Phys. Rev. B 89, 094102 (2014)
# Fe potential referenced from J. Phys.: Condens. Matter 24 225404
# C potential referenced from Phys. Rev. B 81, 104103
# Used together with "Fe3C.meam" for Fe-C alloy potential parameters
# elt        lat     z       ielement     atwt
# alpha      b0      b1      b2           b3    alat    esub    asub
# t0         t1              t2           t3            rozero  ibar

'Fe' 'bcc' 8 26 55.847000
5.027000 3.800000 2.000000 0.900000 0.000000 2.851000 4.280000 0.585000
1.000000 -0.800000 12.300000 2.000000 1.000000 0.000000

'C'         'dia'   4.      6            12.0111
4.38        4.26    5.00    3.20         3.980 3.567   7.37    1.490
1.0         7.5             1.04         -1.01         1.0     0
À´×Ô£ºhttp://www.ctcms.nist.gov/potent ... _Liyanage_2014.meam

# Fe-C alloy MEAM potential parameters from Phys. Rev. B 89, 094102
# Developed using April 2011 version of LAMMPS (lammps.sandia.gov)
# Should work on recent release of LAMMPS
# Contact information: lsiliyanage@gmail.com (Dr. Laalitha S. I. Liyanage)
augt1=0
ialloy=1
nn2(1,1)=1
nn2(2,2)=1
nn2(1,2)=1
rc=4.500000
repuls(1,1)=0.300000
Cmin(1,1,1)=0.680000
Cmax(1,1,1)=1.900000
Cmin(2,2,2)=2.000000  
Cmax(2,2,2)=2.800000
lattce(1,2)='b1'
repuls(1,2)=0.125301
attrac(1,2)=0.125301
delta(1,2)=0.002348
alpha(1,2)=4.750000
re(1,2)=1.920000
rho0(1)=1.000000
rho0(2)=5.491125
Cmin(1,1,2)=0.059531
Cmax(1,1,2)=2.800000
Cmin(1,2,1)=2.000000
Cmax(1,2,1)=2.800000
Cmin(1,2,2)=2.000000
Cmax(1,2,2)=2.800000
Cmin(2,2,1)=0.507375
Cmax(2,2,1)=2.800000
À´×Ô£ºhttp://www.ctcms.nist.gov/potent ... _Liyanage_2014.meam

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  • ¸½¼þ 1 : PhysRevB.89.pdf
  • 2014-08-28 11:53:56, 3.23 M

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