[QE-users] STM -> Role of heightmax and heightmin tags

[Lorenzo Paulatto]

-- 
Lorenzo Paulatto

I would like to understand the physical meaning of these
> tags for experimental STM tip. It says that height min
> should be somewhere in the bulk, does that mean the STM
> tip goes deep inside the material?
>

They have no physical meaning, they are calculation parameters that tell
the code where the surface is.

Regards




> =============================================================
>  heightmin    ! (real) minimum value of the plane in which searching for
> the isosurface
>   !                   ! default value -> 0.0d0
>   !      heightmax    ! (real) maximum value of the plane in which
> searching for the isosurface
>   !                   ! default value -> 1.0d0
>   !                   ! the two parameters above are in percentage with
> respect to the
>   !                   ! height of the cell, i.e. between 0.0 and 1.0.
>   !                   ! If heightmax < heightmin, it treats it as if it's
> in the
>   !                   !  upper periodically repeated slab.
>   !                   ! Put heightmin somewhere in the bulk and heightmax
> in the vacuum
> ============================================================
>
>
> Summayya Kouser
> Postdoctoral Researcher,
> Rice University,
> USA
>
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