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@ARTICLE{Somodi:201544,
author = {Somodi, P. K. and Twitchett-Harrison, A. C. and Midgley, P.
A. and Kardynał, B. E. and Barnes, C. H. W. and
Dunin-Borkowski, Rafal},
title = {{F}inite element simulations of electrostatic dopant
potentials in thin semiconductor specimens for electron
holography},
journal = {Ultramicroscopy},
volume = {134},
issn = {0304-3991},
address = {Amsterdam},
publisher = {Elsevier Science},
reportid = {FZJ-2015-03838},
pages = {160 - 166},
year = {2013},
abstract = {Two-dimensional finite element simulations of electrostatic
dopant potentials in parallel-sided semiconductor specimens
that contain p–n junctions are used to assess the effect
of the electrical state of the surface of a thin specimen on
projected potentials measured using off-axis electron
holography in the transmission electron microscope. For a
specimen that is constrained to have an equipotential
surface, the simulations show that the step in the projected
potential across a p–n junction is always lower than would
be predicted from the properties of the bulk device, but is
relatively insensitive to the value of the surface state
energy, especially for thicker specimens and higher dopant
concentrations. The depletion width measured from the
projected potential, however, has a complicated dependence
on specimen thickness. The results of the simulations are of
broader interest for understanding the influence of surfaces
and interfaces on electrostatic potentials in nanoscale
semiconductor devices.},
cin = {PGI-5},
ddc = {570},
cid = {I:(DE-Juel1)PGI-5-20110106},
pnm = {42G - Peter Grünberg-Centre (PG-C) (POF2-42G41)},
pid = {G:(DE-HGF)POF2-42G41},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000324474900021},
doi = {10.1016/j.ultramic.2013.06.023},
url = {https://juser.fz-juelich.de/record/201544},
}