Ni 111 surface relaxation: Difference between revisions

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{{Sur_sci}}
{{Sur_sci}}


Description: relax the first two layers of a Ni (111) surface.
== Task ==
Relaxation of the first two layers of a Ni (111) surface.


----
== Input ==
*{{TAG|INCAR}}
 
=== {{TAG|POSCAR}} ===
<pre>
fcc (111) surface
  3.53
  .70710678  .0000000  .000000
-0.35355339 0.6123724  .000000
  .000000    .000000  5.1961524
    5
selective dynamics
direct
  .00000000  .00000000  .00000000  F  F  F
  .33333333  .66666667  .11111111  F  F  F
  .66666667  .33333333  .22222222  F  F  F
  .00000000  .00000000  .33333333  T  T  T
  .33333333  .66666667  .44444444  T  T  T
</pre>
 
=== {{TAG|INCAR}} ===
  general:
  general:
   {{TAGBL|ISTART}} = 0
   {{TAGBL|ISTART}} = 0
Line 19: Line 38:
   {{TAGBL|IBRION}} = 1
   {{TAGBL|IBRION}} = 1


*{{TAG|KPOINTS}}
=== {{TAG|KPOINTS}} ===
<pre>
<pre>
k-points
k-points
Line 26: Line 45:
9 9 1
9 9 1
0 0 0
0 0 0
</pre>
*{{TAG|POSCAR}}
<pre>
fcc (111) surface
  3.53
  .70710678  .0000000  .000000
-0.35355339 0.6123724  .000000
  .000000    .000000  5.1961524
    5
selective dynamics
direct
  .00000000  .00000000  .00000000  F  F  F
  .33333333  .66666667  .11111111  F  F  F
  .66666667  .33333333  .22222222  F  F  F
  .00000000  .00000000  .33333333  T  T  T
  .33333333  .66666667  .44444444  T  T  T
</pre>
</pre>



Revision as of 12:00, 12 May 2017

Task

Relaxation of the first two layers of a Ni (111) surface.

Input

POSCAR

 fcc (111) surface
  3.53
   .70710678  .0000000  .000000
 -0.35355339 0.6123724  .000000
   .000000    .000000  5.1961524
    5
selective dynamics
direct
   .00000000   .00000000   .00000000  F  F  F
   .33333333   .66666667   .11111111  F  F  F
   .66666667   .33333333   .22222222  F  F  F
   .00000000   .00000000   .33333333  T  T  T
   .33333333   .66666667   .44444444  T  T  T

INCAR

general:
  ISTART = 0
  ICHARG = 2
  SYSTEM = clean (111) surface
  ENMAX = 270
  ISMEAR = 2 ; SIGMA = 0.2
  ALGO = Fast
  EDIFF = 1E-6
    
dynamic:
  NSW = 100
  POTIM = 0.8
  IBRION = 1

KPOINTS

k-points
0
Monkhorst-Pack
9 9 1
0 0 0

Download

Ni111clean_rel.tgz


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