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  Formation and characterization of self-assembled monolayers of octadecyltrimethoxysilane on chromium: application in low energy electron lithography

Hild, R., David, C., Müller, H., Völkel, B., Kayser, D., & Grunze, M. (1998). Formation and characterization of self-assembled monolayers of octadecyltrimethoxysilane on chromium: application in low energy electron lithography. Langmuir, 14(2), 342-346. doi:10.1021/la970438l.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0001-B4F1-3 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0004-98E0-3
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Langmuir_14_1998_342.pdf (beliebiger Volltext), 86KB
 
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 Urheber:
Hild, R., Autor
David, C., Autor
Müller, H.U., Autor
Völkel, B., Autor
Kayser, D.R., Autor
Grunze, M.1, Autor           
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              

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 Zusammenfassung: In this article we describe the preparation and identification of an organosilane self-assembled monolayer (octadecyltrimethoxysilane:  OTMS) on chromium oxide. The formation of the OTMS monolayer was investigated by X-ray photoelectron (XPS) spectroscopy and water contact angle measurements. Near-edge X-ray absorption fine structure (NEXAFS) spectroscopy was applied in order to determine the tilt angle of the alkyl chains in the monolayer. The degree of hydration of the chromium oxide surface was found to greatly influence the quality of the monolayer. Our work focuses on the suitability of OTMS/Cr for lithographic patterning with low-energy electrons. In addition to the sensitivity and selectivity of the SAM system, its contrast γ was determined by measuring the gradation curve of OTMS on a 20 nm thick chromium layer using an alkaline hexacyanoferrat solution as an etchant. The contrast was found to be γ ≈ 1, which is comparable to those of conventional electron resists. The structured chromium layer was used as a mask for a reactive ion etch (RIE) process to pattern a silicon substrate.

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Sprache(n): eng - English
 Datum: 1997-10-131997-04-281997-10-131998-01-011998
 Publikationsstatus: Erschienen
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1021/la970438l
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Titel: Langmuir
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Columbus, OH : American Chemical Society
Seiten: - Band / Heft: 14 (2) Artikelnummer: - Start- / Endseite: 342 - 346 Identifikator: ISSN: 0743-7463
CoNE: https://pure.mpg.de/cone/journals/resource/954925541194