[Wien] STM simulation in wien2k
Gavin Abo
gsabo at crimson.ua.edu
Fri Jun 27 19:13:01 CEST 2014
Maybe "Appendix A. STM Image Simulations: Theory & Implementation" in
the dissertation by one of Prof. Marks students at the following link is
of interest to you:
http://www.numis.northwestern.edu/thesis/ThesisAndresHD.pdf
However, I don't know if the lapw2STM code is available to the public.
On 6/27/2014 3:35 AM, Gang Li wrote:
> Dear wien2k users and administrators
>
> I am interested to know the detailed procedure of simulating STM images in wien2k. I did some research on google, and learned that the key quantity to be calculated is the partial charge density in a given energy range. This range is defined by the bias voltage of the simulated STM measurement. The command to be issued is “x lapw2 -emin V_bias”.
>
> The above is all I know for the moment. Can anyone give me a detailed description of “how to” step by step. In addition to the calculation, I would also like to know how to plot the STM image in both experimental modes, i.e. constant current and constant height modes.
>
> Thanks in advance
> Gang Li
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