[Wien] Band Structure Plot

2009-07-29 Thread samaneh javan
Dear Debojyoti Mukherjee,
If you have xcrysden, then you can select the path in the first
brillion zone, if not then install this software from: A. kokalj,
Comp. Mat. Sci. 28 (2003) 155, http://www.xcrysden.org
It is awesome. You will get what you want more easily with more
concentration. If there was more problem I can explain for you step by
step.
Good luck
Samaneh Javan


On 7/29/09, Debojyoti Mukherjee debojyoti.kunal at gmail.com wrote:
 Dear Users,

 I have done the scf calculation for omega phase of zirconium and
 now I tried to plot its band structure. For high symmetric positions the
 plot is ok, but I want to plot it along gamma K M sigma gamma A S H L R A
 and also L U M directions. Can anyone tell me how to do this?

 Regards.

 Debojyoti Mukherjee



[Wien] bandplot

2008-06-19 Thread samaneh javan
Dear Users,
  I read userguide and plot my band structure according to that.
The process is
after a successful scf
  making case.klist_band
   x lapw1 -band
   x lapw2 -qtl -band
   editing case.insp
   x spaghetti
   plot ...

my questions:

1- I saw case.energy but I want to know from which file I can calculate band
gap and band width exactly  and how.

2. Is there any difference between  bandstructure of one case with the same
case.klist_band but different case.klist ?

Thanks in advance
Samaneh Javan
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[Wien] error in lapw1 at cycle4

2008-05-18 Thread samaneh javan
Dear Users,
  I encountered with the following error before in lapw1 at cycle 3, I used
the following procedure as prof. Blaha answered there was everything ok, but
know in another run I have the same error at cycle 11 ,linearization is at
the first cycle, then what should I do now?
Prof. answered :

 Probably due to the-in1new 3   switch

 Continue with   -in1orig; but try to identify the problem by inspecting
 case.in1  (probably the energies of a LO and APW for the same l are too
 close).




 the error now is :



 Cholesky INFO =   6658



   'SECLR4' - POTRF (Scalapack/LAPACK) failed.


the number of INFO is different from the previous . Would you please tell me
how to solve this problem?
Thanks in advance

 
 
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   P.Blaha
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 Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
 Phone: +43-1-58801-15671 FAX: +43-1-58801-15698
 Email: blaha at theochem.tuwien.ac.atWWW:
 http://info.tuwien.ac.at/theochem/
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[Wien] error in lapw1 at cycle4

2008-05-07 Thread samaneh javan
Dear users,
  I start a run_lapw -cc 0.0001 -in1new3 for a fcc unit cell but after
4 cycle it stops because of the followed error at lapw1:

Cholesky INFO =12935
 'SECLR4' - POTRF (Scalapack/LAPACK) failed.

Would you please help me?
Is there anything wrong with the method of diagonalization or anything else?
Thanks in advance
Samaneh javan
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[Wien] lapw1 error

2008-03-02 Thread samaneh javan
Dear Friends,
 We  have compiled our  wien2k v7.03  by ifort 10  MkL 9 . I had  no
problem while executing scf completely but now for band strructure I can not
run x lapw1 -band. The error that halts my  lapw1  can be seen as follows:


Cholesky INFO = 8163
 'SECLR4' - POTRF (Scalapack/LAPACK) failed.


Would you please help me solving this problem? If I should give more
information tell me please.
Thanks in advance
Samaneh Javan
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[Wien] van der wals

2008-01-20 Thread samaneh javan
Dear Wien2k users,
 I know the optimize procedure very well but my problem is on the
materials which have week van der walls forces between their components. As
you
know I can not consider the bigger volume even 1.5  times larger? Then, how
can I calculate
bulk moduli for these kind of materials?
Thanks in advance
Samaneh
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[Wien] van der walls

2008-01-19 Thread samaneh javan
Dear Wien2k users,

  I know the optimize procedure very well but my problem is for the
materials which have van der walls forces between their components. As you
know I can not consider the biger volume even 1.5  times larger? How can I
calculate the bulk moduli?
Thanks for your attention
Samaneh
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