Questions tagged [wien2k]
For questions about the software WIEN2k.
10
questions
18
votes
1
answer
1k
views
How does the mBJ potential give an accurate band gap as compared to LDA and GGA?
I am not able to understand the literature on how the modified Becke-Johnson(MBJ)$^{[1]}$ potential gives an accurate bandgap. Can someone please help? Thank you. The formula for the potential can be ...
17
votes
5
answers
1k
views
What are some open-source all-electron DFT alternatives to Wien2K?
Since the beginning of the century, Wien2K has proven to be a very powerful player in computational condensed matter and materials physics.
Wien2K is an all-electron periodic DFT code based on the ...
13
votes
1
answer
837
views
How to make heterostructure/heterojunction structure?
How can I make a heterostructure or a heterojunction of ZnO/MgZnO for optimization with WIEN2k code?
10
votes
2
answers
928
views
inconsistent behavior between band structure and density of states
I'm a beginner in DFT calculation. I have performed a DFT calculation on CuCoSnSe using PBE-GGA on Quantum Esspresso. When I plot the band structure and the total DOS, the band structure shows a ...
9
votes
0
answers
134
views
How to do parity analysis of band extrema?
To check whether electronic transitions are allowed between valence band maximum (VBM) and conduction band minimum (CBM) as per Laporte's rule, the parity of VBM/CBM is needed to be known. This paper ...
7
votes
1
answer
99
views
Some questions on case.energy and case.energyso in WIEN2k
In WIEN2k, the subprogram lapwso will generate both case.energy and case.energyso files. ...
6
votes
1
answer
58
views
Isolated atom calculation in Wien2k
I am not able to do Isolated atom calculation for finding out Formation energy in WIEN2k. I don't know where I am going wrong, which steps are wrong. Can anyone please list me the steps? What I tried ...
3
votes
0
answers
52
views
BoltzTraP : getting the error 'segmentation fault'
I am doing some calculations with Quantum Espresso and wanted to calculate the electronic conductivity of my 2D nanosheet using BoltzTrap. After the successful creation of the BoltzTraP.def and the ...
3
votes
0
answers
34
views
Convex hull calculations with WIEN2k
How does one do the calculation of a convex hull with the WIEN2k code for the formation energy of alloys?
1
vote
0
answers
36
views
Relax calculation in Wien2k
Can someone help me with the steps to take to perform Relax calculation of a structure in WIEN2k? Then further what to keep in mind while performing strain calculation on the structure for the relax ...