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|Title:||Generalised effective mass theory of sub-surface scanning tunnelling microscopy : application to weakly bound impurity states|
Maksym, P. A.
|Citation:||Journal of Physics : Conference Series, 2014, 526, 012008|
|Abstract:||We apply our generalised effective mass theory of sub-surface scanning tunnelling microscopy (STM) (Phys. Rev. B 19, 195304 (2010)) to simulate STM images of electronic states localised around sub-surface Si dopant atoms in GaAs. In the case of these shallow impurity-states, we demonstrate that electrostatic effects from image-charges and from the STM tip have a strong influence on the sub-surface state and hence the simulated image.|
|Rights:||Copyright © the authors, 2014. This is an open-access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/3.0/ ). Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.|
|Appears in Collections:||Published Articles, Dept. of Physics and Astronomy|
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