Simulate vacuum in scattering region in TranSiesta
Asked by
Nikolay Patyukov
I'm trying to use TranSiesta to simulate small model of vacuum nanoeletronic device with electrodes. For now I'm just started and calculating current and transmission of simple Silicon wire that consist of 11 atoms (2|7|2). However, when I'm trying to remove 6-th and 7-th atom, there is zero current calculated with tbtrans at any applied voltage, tried voldate up to 10 eV. Are there some general recommendations to modify .fdf file of scattering region to introduce a vacuum layers inside scattering region?
Sorry if my question is dumb, I've just started working with all of this. Thank you in advance!
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