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lammps/examples/SPIN/bfo/in.spin.bfo
julient31 28993d9823 Commit JT 072618
- improvements documentation (dmi and exchange)
- correction error cross product in pair_spin_dmi.cpp
- implementation mech. part in pair_spin_dmi.cpp
- correction in all pairs: init_one for [j][i] couples
- correction in atom_vec_spin.cpp: index error in read_data
- some improvements in pair_spin_dmi.cpp and pair_spin_magelec.cpp
2018-07-27 12:00:15 +02:00

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# layer sc iron atoms (in the [001] plane) in bismuth oxide
clear
units metal
atom_style spin
dimension 3
boundary p p f
# necessary for the serial algorithm (sametag)
atom_modify map array
lattice sc 3.96
region box block 0.0 34.0 0.0 34.0 0.0 5.0
create_box 1 box
create_atoms 1 box
# setting mass, mag. moments, and interactions for bfo
mass 1 1.0
set group all spin/random 11 2.50
#pair_style hybrid/overlay spin/exchange 6.0 spin/magelec 4.5
pair_style hybrid/overlay spin/exchange 6.0 spin/magelec 4.5 spin/dmi 4.5
pair_coeff * * spin/exchange exchange 6.0 -0.01575 0.0 1.965
pair_coeff * * spin/magelec magelec 4.5 0.000109 1.0 1.0 1.0
pair_coeff * * spin/dmi dmi 4.5 0.00005 1.0 1.0 1.0
neighbor 0.1 bin
neigh_modify every 10 check yes delay 20
fix 1 all precession/spin anisotropy 0.0000033 0.0 0.0 1.0
fix 2 all langevin/spin 0.0 0.1 21
fix 3 all nve/spin lattice no
timestep 0.0002
compute out_mag all compute/spin
compute out_pe all pe
compute out_ke all ke
compute out_temp all temp
variable magz equal c_out_mag[3]
variable magnorm equal c_out_mag[4]
variable emag equal c_out_mag[5]
variable tmag equal c_out_mag[6]
#thermo_style custom step time v_magnorm v_emag temp etotal
thermo_style custom step time v_magnorm pe ke v_emag temp etotal
thermo 10
compute outsp all property/atom spx spy spz sp fmx fmy fmz
dump 100 all custom 1 dump_bfo.lammpstrj type x y z c_outsp[1] c_outsp[2] c_outsp[3]
run 2000