[Wien] seek assistant for solving a problem in optical calculation for black phosphorus

Hongwei Wang wang9541 at umn.edu
Thu Apr 30 10:28:41 CEST 2020


Dear Wien2k developer,

   I am Hongwei Wang, a postdoctoral fellow of the Department of Electrical
& Computer Engineering at University of Minnesota.
Recently, I have used the optical utility implemented in Wien2k package to
calculate the dielectric function for the black phosphorus system.
The first prominent peak in the imaginary part of dielectric function along
z-direction calculated by Wien2k is too weak in comparison
with the results obtained from VASP and Abinit DFT codes. I have tried to
adjust the k-mesh, broadening gamma,  energy increment, and smearing method,
but this problem is still unsolved. I have tried to unload my computational
structure file and relevant results, but the maillist system does not
allow me to do it. I look forward to your reply. Thanks for your help.

Best Regards

Hongwei
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