[Wien] A question about Al-L2,3 ELNES edge

lu wei weilu7910 at yahoo.com.cn
Fri Sep 22 17:41:45 CEST 2006


Dear All and Prof. Peter;
    Thank you very much for your kindly and rapidly help!
    I want to simulate a-Al2O3 Al-L2,3 edge, The supercell is Al11O18Al*. I use the first way you mentioned to solve this problem, I set Al Rmt=2.1, O Rmt=1.39 (R0=0.00005 for all of them). The case.outputst does not give any warnning. Is it ok?
     As to the second way, I don't understand how to operate it since I am still not very familar with this code. In the following I have attached the structer, in1c,in2c files. Could you show me a demo on the operation? And where you have reduced an electron in this second way? How to merge the 'two windown' calculation results into together at last?
     Another question: I test a-Al2O3 with kpoint=500 can convergence, how much k-point I should use in the supercell (Al11O18Al*) to keep convergence?
     Sorry for so many questions.
  Yours;
   
   
  2 ways to solve this:

Use as large as possible spheres for Al and choose a separation energy
such that Al-2p is in the core. Check the core leakage, which should not
be too large (but maybe a small miss is tolerable)

Perform a "2-window" calculation. This is a bit "tricky" but should be
the optimal solution.
After the "normal init_lapw" do:
cp case.in1 case.in1s   (or in1c -> in1cs)
cp case.in2 case.in2s

Edit these files and put proper EMIN values in case.in1 (so that the Al
2p states are NOT included; this should lead to a message like X
EIGENVALUES below yy) , proper NE values in in2/in2s  (The in2
calculation should calculate all valence states except the Al 2p; the
in2s should only calculate the Al 2p states).

I haven't done this for a long time, but it should still work.

For the XSPEC/TELNES calculations you would have to put the 2p state
into case.inc anyway; or you could also use "optic" to calculate this.

> Dear All;
>      I want to simulate Al atom L2,3 edge ELNES. Since L2,3 edge 
> corresponde to 2p->3d transition. To consider core hole effect, I have 
> to reduce one electron from Al 2p state (one Al in supercell). Am I right?
>      However, when we use the recommed energy -6 Ry to seperate core 
> state, 2p state does not include in the core state ( I did not find 2p 
> state in case.inc ). So how can I resolve this problem?
> Thank you in advance !


                                      P.Blaha
-----------------------------------------------------------------------------------------------------
  case.struct
  Al11O18Al                                                                          
H   LATTICE,NONEQUIV.ATOMS: 18143_P3                                           
MODE OF CALC=RELA unit=bohr                                                    
  8.950773  8.950773 24.398055 90.000000 90.000000120.000000                   
ATOM  -1: X=0.66666667 Y=0.33333333 Z=0.48145870
          MULT= 1          ISPLIT= 4
Al1        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -2: X=0.33333333 Y=0.66666667 Z=0.01854130
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -3: X=0.00000000 Y=0.00000000 Z=0.14812537
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -4: X=0.66666667 Y=0.33333333 Z=0.18520797
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -5: X=0.00000000 Y=0.00000000 Z=0.35187463
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -6: X=0.33333333 Y=0.66666667 Z=0.31479203
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -7: X=0.00000000 Y=0.00000000 Z=0.64812537
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -8: X=0.33333333 Y=0.66666667 Z=0.51854130
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -9: X=0.66666667 Y=0.33333333 Z=0.68520797
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -10: X=0.00000000 Y=0.00000000 Z=0.85187463
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -11: X=0.33333333 Y=0.66666667 Z=0.81479203
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -12: X=0.66666667 Y=0.33333333 Z=0.98145870
          MULT= 1          ISPLIT= 4
Al2        NPT=  781  R0=0.00005000 RMT=    2.1000   Z: 13.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -13: X=0.36108030 Y=0.33333333 Z=0.08333333
          MULT= 3          ISPLIT= 8
     -13: X=0.66666667 Y=0.02774697 Z=0.08333333
     -13: X=0.97225303 Y=0.63891970 Z=0.08333333
O          NPT=  781  R0=0.00005000 RMT=    1.3900   Z:  8.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -14: X=0.00000000 Y=0.30558637 Z=0.25000000
          MULT= 3          ISPLIT= 8
     -14: X=0.69441363 Y=0.69441363 Z=0.25000000
     -14: X=0.30558637 Y=0.00000000 Z=0.25000000
O          NPT=  781  R0=0.00005000 RMT=    1.3900   Z:  8.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -15: X=0.02774697 Y=0.66666667 Z=0.41666667
          MULT= 3          ISPLIT= 8
     -15: X=0.33333333 Y=0.36108030 Z=0.41666667
     -15: X=0.63891970 Y=0.97225303 Z=0.41666667
O          NPT=  781  R0=0.00005000 RMT=    1.3900   Z:  8.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -16: X=0.36108030 Y=0.02774697 Z=0.58333333
          MULT= 3          ISPLIT= 8
     -16: X=0.97225303 Y=0.33333333 Z=0.58333333
     -16: X=0.66666667 Y=0.63891970 Z=0.58333333
O          NPT=  781  R0=0.00005000 RMT=    1.3900   Z:  8.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -17: X=0.00000000 Y=0.69441363 Z=0.75000000
          MULT= 3          ISPLIT= 8
     -17: X=0.30558637 Y=0.30558637 Z=0.75000000
     -17: X=0.69441363 Y=0.00000000 Z=0.75000000
O          NPT=  781  R0=0.00005000 RMT=    1.3900   Z:  8.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -18: X=0.02774697 Y=0.36108030 Z=0.91666667
          MULT= 3          ISPLIT= 8
     -18: X=0.63891970 Y=0.66666667 Z=0.91666667
     -18: X=0.33333333 Y=0.97225303 Z=0.91666667
O          NPT=  781  R0=0.00005000 RMT=    1.3900   Z:  8.0                   
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
   3      NUMBER OF SYMMETRY OPERATIONS
-1 1 0 0.0000000
-1 0 0 0.0000000
 0 0 1 0.0000000
       1
 0-1 0 0.0000000
 1-1 0 0.0000000
 0 0 1 0.0000000
       2
 1 0 0 0.0000000
 0 1 0 0.0000000
 0 0 1 0.0000000
       3
--------------------------------------------------------------------------------------------------
  case.in1c
   
  WFFIL        (WFPRI, SUPWF)
  8.00       10    4 (R-MT*K-MAX; MAX L IN WF, V-NMT
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    2  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    3  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0   -1.53      0.010 CONT 1
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    3  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0   -1.53      0.010 CONT 1
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    3  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0   -1.53      0.010 CONT 1
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    3  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0   -1.53      0.010 CONT 1
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    3  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0   -1.53      0.010 CONT 1
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
  0.30    3  0      (GLOBAL E-PARAMETER WITH n OTHER CHOICES, global APW/LAPW)
 0   -1.53      0.010 CONT 1
 0    0.30      0.000 CONT 1
 1    0.30      0.000 CONT 1
K-VECTORS FROM UNIT:4   -6.0       1.5      emin/emax window
---------------------------------------------------------------------------------------------------------
  case.in2c
  TOT             (TOT,FOR,QTL,EFG,FERMI)
      -9.0     144.0 0.50 0.05                EMIN, NE, ESEPERMIN, ESEPER0
TETRA    0.000          (GAUSS,ROOT,TEMP,TETRA,ALL      eval)
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  2 0  3 0  3 3 -3 3  4 0  4 3 -4 3  5 0  5 3 -5 3  6 0  6 3 -6 3  6 6 -6 6
  0 0  1 0  1 1 -1 1  2 0  2 1 -2 1  2 2 -2 2  3 0  3 1 -3 1  3 2 -3 2  3 3 -3 3  4 0  4 1 -4 1  4 2 -4 2  4 3 -4 3  4 4 -4 4  5 0  5 1 -5 1  5 2 -5 2  5 3 -5 3  5 4 -5 4  5 5 -5 5  6 0  6 1 -6 1  6 2 -6 2  6 3 -6 3  6 4 -6 4  6 5 -6 5  6 6 -6 6
  0 0  1 0  1 1 -1 1  2 0  2 1 -2 1  2 2 -2 2  3 0  3 1 -3 1  3 2 -3 2  3 3 -3 3  4 0  4 1 -4 1  4 2 -4 2  4 3 -4 3  4 4 -4 4  5 0  5 1 -5 1  5 2 -5 2  5 3 -5 3  5 4 -5 4  5 5 -5 5  6 0  6 1 -6 1  6 2 -6 2  6 3 -6 3  6 4 -6 4  6 5 -6 5  6 6 -6 6
  0 0  1 0  1 1 -1 1  2 0  2 1 -2 1  2 2 -2 2  3 0  3 1 -3 1  3 2 -3 2  3 3 -3 3  4 0  4 1 -4 1  4 2 -4 2  4 3 -4 3  4 4 -4 4  5 0  5 1 -5 1  5 2 -5 2  5 3 -5 3  5 4 -5 4  5 5 -5 5  6 0  6 1 -6 1  6 2 -6 2  6 3 -6 3  6 4 -6 4  6 5 -6 5  6 6 -6 6
  0 0  1 0  1 1 -1 1  2 0  2 1 -2 1  2 2 -2 2  3 0  3 1 -3 1  3 2 -3 2  3 3 -3 3  4 0  4 1 -4 1  4 2 -4 2  4 3 -4 3  4 4 -4 4  5 0  5 1 -5 1  5 2 -5 2  5 3 -5 3  5 4 -5 4  5 5 -5 5  6 0  6 1 -6 1  6 2 -6 2  6 3 -6 3  6 4 -6 4  6 5 -6 5  6 6 -6 6
  0 0  1 0  1 1 -1 1  2 0  2 1 -2 1  2 2 -2 2  3 0  3 1 -3 1  3 2 -3 2  3 3 -3 3  4 0  4 1 -4 1  4 2 -4 2  4 3 -4 3  4 4 -4 4  5 0  5 1 -5 1  5 2 -5 2  5 3 -5 3  5 4 -5 4  5 5 -5 5  6 0  6 1 -6 1  6 2 -6 2  6 3 -6 3  6 4 -6 4  6 5 -6 5  6 6 -6 6
  0 0  1 0  1 1 -1 1  2 0  2 1 -2 1  2 2 -2 2  3 0  3 1 -3 1  3 2 -3 2  3 3 -3 3  4 0  4 1 -4 1  4 2 -4 2  4 3 -4 3  4 4 -4 4  5 0  5 1 -5 1  5 2 -5 2  5 3 -5 3  5 4 -5 4  5 5 -5 5  6 0  6 1 -6 1  6 2 -6 2  6 3 -6 3  6 4 -6 4  6 5 -6 5  6 6 -6 6
 14.          GMAX
NOFILE        FILE/NOFILE  write recprlist


 		
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