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Comparison of structural re-organisations observed on pre-patterned vicinal Si(111) and Si(100) surfaces during heat treatment

Kraus, A.; Neddermeyer, H.; Wulfhekel, W.; Sander, D.; Maroutian, T.; Dulot, F.; Martinez-Gil, A.; Hanbucken, M.


The creation of distinct, periodically structured vicinal Si(1 1 1) and (1 0 0) substrates has been studied using scanning tunnelling microscopy at various temperatures. The vicinal Si(1 1 1) and (1 0 0) surfaces transform under heat treatment in a self-organised way into flat and stepped regions. Optical and electron beam lithography is used to produce a regular hole pattern on the surfaces, which interferes with the temperature-driven morphological changes. The step motions are strongly influenced by this pre-patterning. Pre-patterned Si(1 1 1) surfaces transform into regular one-dimensional (1D) and two-dimensional (2D) morphologies, which consist of terraces and arrangements of step bunches and facets. On pre-patterned Si(1 0 0) substrates different re-organisations were observed where checkerboard-like 2D structures are obtained. (C) 2004 Elsevier B.V. All rights reserved.

DOI: 10.1016/j.apsusc.2004.05.057
Zitationen: 4
Zitationen: 2
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2004
Sprache Englisch
Identifikator ISSN: 0169-4332
KITopen-ID: 1000053843
Erschienen in Applied Surface Science
Verlag Elsevier
Band 234
Heft 1-4
Seiten 307-312
Nachgewiesen in Web of Science
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