[Wien] Error in OPTIC

2015-02-02 Thread Luis Ogando
Another relevant information: when performing a sequential calculation
for a previously problematic K-grid (parallel execution), OPTIC works
without any error.
   All the best,
 Luis
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Re: [Wien] EFG + ETA calculation

2015-02-02 Thread Peter Blaha

No, I don't think that for this system GGA+U or hybrids are appropriate.

Is your supercell large enough (~100 atoms) ??
Did you relax the atomic positions ??
Maybe the Cd sits in a different position ??

Am 02.02.2015 um 20:09 schrieb Marcelo Barbosa:

Dear all,

I need to calculate the EFG and ETA in a Cd impurity in Ga2O3 but using the 
usual GGA method gives me an ETA near 1 when experimentally it is known to be 
between 0.0 and 0.1.
I would like then to ask what is the best method to get good EFG and ETA values 
in such a case:
- use GGA+U for the 3d orbitals of Ga and 4d orbitals of Cd?
- use onsite-exact-exchange / hybrid functionals for those orbits?
- use hybrid functionals for all electrons?
or do you think these different options won’t change the ETA?

Best regards,
Marcelo Barbosa
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--
Peter Blaha
Inst.Materials Chemistry
TU Vienna
Getreidemarkt 9
A-1060 Vienna
Austria
+43-1-5880115671
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[Wien] electron occupancy of d orbital

2015-02-02 Thread Devendra Singh Negi
Dear Prof.Blaha and WIEN2K user
 I am studying the charge transfer process 
caused by defect in CoO system. Calculated DOS plot suggests the charge 
transfer and spin configuration rearrangement near to vacancy atom. However I 
intended to find the occupancy of electron in every d orbitals(or eg/t2g)after 
the scf calculation. So how or in which file i can find the electron occupancy 
of d orbital? I guess case.outputst gives the occupancy before the SCF 
calculation???



Thanks
Devendra Singh Negi
ICMS,JNCAS
Bangalore
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Re: [Wien] electron occupancy of d orbital

2015-02-02 Thread Peter Blaha

case.scf   (label :QTL)

also in outputtup/dn ou find integrated DOS as function of energy 

Am 03.02.2015 um 04:47 schrieb Devendra Singh Negi:

Dear Prof.Blaha and WIEN2K user
  I am studying the charge transfer process 
caused by defect in CoO system. Calculated DOS plot suggests the charge 
transfer and spin configuration rearrangement near to vacancy atom. However I 
intended to find the occupancy of electron in every d orbitals(or eg/t2g)after 
the scf calculation. So how or in which file i can find the electron occupancy 
of d orbital? I guess case.outputst gives the occupancy before the SCF 
calculation???



Thanks
Devendra Singh Negi
ICMS,JNCAS
Bangalore
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--
Peter Blaha
Inst.Materials Chemistry
TU Vienna
Getreidemarkt 9
A-1060 Vienna
Austria
+43-1-5880115671
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[Wien] EFG + ETA calculation

2015-02-02 Thread Marcelo Barbosa
Dear all,

I need to calculate the EFG and ETA in a Cd impurity in Ga2O3 but using the 
usual GGA method gives me an ETA near 1 when experimentally it is known to be 
between 0.0 and 0.1.
I would like then to ask what is the best method to get good EFG and ETA values 
in such a case:
- use GGA+U for the 3d orbitals of Ga and 4d orbitals of Cd?
- use onsite-exact-exchange / hybrid functionals for those orbits?
- use hybrid functionals for all electrons?
or do you think these different options won’t change the ETA?

Best regards,
Marcelo Barbosa
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