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Nano‐ and macropores in the model for current oscillations at the Si/electrolyte contact
Author(s) -
Grzanna J.,
Jungblut H.,
Lewerenz H. J.
Publication year - 2007
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200674301
Subject(s) - electrolyte , macropore , nanopore , nano , oxide , materials science , current (fluid) , surface roughness , surface finish , silicon , silicon oxide , nanotechnology , chemical physics , composite material , chemistry , thermodynamics , optoelectronics , physics , electrode , silicon nitride , metallurgy , mesoporous material , biochemistry , catalysis
Abstract The transition from sustained to damped current oscillations or to stationary behavior is described using a model based on morphological aspects. A roughening of the oxide and of the underlying Si surface is predicted, in accordance with measurements. The role of cracks and nanopores in silicon oxide is discussed with regard to roughness increase and macropore formation. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)