Delete in.co_magnetomech

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julient31 2017-12-04 09:09:36 -07:00
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###################
#######Init########
###################
clear
units metal
dimension 3
boundary p p p
#boundary f f f
#newton off
#setting atom_style to spin:
atom_style spin
#Define sort for paramagnetic simulations (if no pair interaction)
#atom_modify sort 1000 4.0
atom_modify map array
###########################
#######Create atoms########
###########################
lattice fcc 3.54
region box block 0.0 5.0 0.0 5.0 0.0 5.0
create_box 1 box
create_atoms 1 box
#######################
#######Settings########
#######################
#isolating 1 atom into a group
group single_spin id 10
#Setting one or more properties of one or more atoms.
mass 1 58.93
#Setting spins orientation and moment
set group all spin/random 31 1.72
#set group all spin 1.72 0.0 0.0 1.0
#set group single_spin spin/random 11 1.72
velocity all create 200 4928459 rot yes dist gaussian
#Magneto-mechanic interactions for bulk fcc Cobalt
#pair_style pair/spin/exchange 4.0
#pair_style eam/alloy
#pair_style hybrid/overlay eam/alloy pair/spin/exchange 4.0 pair/spin/soc/neel 4.0
pair_style hybrid/overlay eam/alloy pair/spin/exchange 4.0
pair_coeff * * eam/alloy ../examples/SPIN/Co_PurjaPun_2012.eam.alloy Co
#pair_coeff * * ../Co_PurjaPun_2012.eam.alloy Co
#pair_style pair/spin 4.0
#type i and j | interaction type | cutoff | J1 (eV) | J2 (adim) | J3 (Ang) (for Exchange)
#pair_coeff * * exchange 4.0 -0.0446928 0.003496 1.4885
#pair_coeff * * exchange 4.0 0.0 0.003496 1.4885
pair_coeff * * pair/spin/exchange exchange 4.0 -0.0446928 0.003496 1.4885
#type i and j | interaction type | cutoff | Int (eV) | [dx,dy,dz] (for DMI and ME)
#pair_coeff * * dmi 2.6 0.001 0.0 0.0 1.0
#pair_coeff * * me 2.6 0.01 1.0 1.0 1.0
#type i and j | interaction type | cutoff | K1 (eV) | K2 (adim) | K3 (Ang) (for SOC)
#pair_coeff * * pair/spin/soc/neel neel 4.0 -0.003330282 0.864159 2.13731
#Define a skin distance, update neigh list every
#neighbor 1.0 bin
#neigh_modify every 10 check yes delay 20
neighbor 1.0 bin
neigh_modify every 1 check no delay 0
#Magnetic field fix
#Type | Intensity (T or eV) | Direction
fix 1 all force/spin zeeman 0.0 0.0 0.0 1.0
#fix 1 all force/spin anisotropy 0.01 0.0 0.0 1.0
#Fix Langevin spins (merging damping and temperature)
#Temp | Alpha_trans | Alpha_long | Seed
#fix 2 all langevin/spin 0.0 0.1 0.0 21
fix 2 all langevin/spin 0.0 0.0 0.0 21
#Magnetic integration fix
fix 3 all integration/spin mpi
#compute real time, total magnetization, magnetic energy, and spin temperature
#Iteration | Time | Mx | My | Mz | |M| | Em | Tm
#Setting the timestep for the simulation (in ps)
timestep 0.0001
##################
#######run########
##################
compute out_mag all compute/spin
compute out_pe all pe
compute out_ke all ke
compute out_temp all temp
variable magnorm equal c_out_mag[5]
variable emag equal c_out_mag[6]
variable tmag equal c_out_mag[7]
variable mag_force equal f_1
thermo 10
#thermo_style custom step time v_emag c_out_pe c_out_ke c_out_temp v_mag_force v_magnorm v_tmag etotal
thermo_style custom step time v_magnorm etotal
thermo_modify format float %20.15g
#Dump the positions and spin directions of magnetic particles (vmd format)
dump 1 all custom 500 dump_VSRSV.lammpstrj type x y z spx spy spz
#Running the simulations for N timesteps
#run 100
run 10000