STM patterning of SnO2 nanocrystalline surfaces

In this work, we report on the ability to write features less than 15 nm in size on nanocrystalline SnO2 by applying negative voltage pulses onto an STM tip. The fact that these features can be erased by scanning with a positive tip bias, and the strong dependence of the apparent height of the featu...

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Bibliographic Details
Published inApplied surface science Vol. 234; no. 1-4; pp. 2 - 10
Main Authors MAFFEIS, T. G. G, OWEN, G. T, PENNY, M, FERKEL, H. S, WILKS, S. P
Format Conference Proceeding Journal Article
LanguageEnglish
Published Amsterdam Elsevier Science 15.07.2004
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Physics
Scanning tunneling microscopy
Patterning
Nanopatterning
Nanocrystalline particles
Nanocrystal
STM tip
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Summary:In this work, we report on the ability to write features less than 15 nm in size on nanocrystalline SnO2 by applying negative voltage pulses onto an STM tip. The fact that these features can be erased by scanning with a positive tip bias, and the strong dependence of the apparent height of the features with scanning bias after writing seems to indicate that a degree of charge confinement within the 8 nm nano-crystals is involved.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2004.05.021