Covalently Attached 1-Alynes on Silicon Surfaces Provide Superior Insulators

E.J. Faber, L.P.M. de Smet, W. Olthuis, H. Zuilhof, E.J.R. Sudhölter, P. Bergveld, A. van den Berg

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    The influence of silicon surface modification via Si-C18H37 devices on n-type silicon is studied by forming MIS (metal-insulator-silicon) diodes via a mercury-probe. Both the influence of the monolayer molecule (1-octadecene/1-octadecyne) and substrate orientation (<100>/<111>) are investigated. Viamultiple J-V and C-V measurements relevant parameters are derived to obtain information on both reproducibility and monolayer and silicon-monolayer interface properties. It was found that 1-alkynes, which are able to make 2 Si-C bonds, have superior insulating properties as compared to 1-alkenes, which are able to make only a single Si-C bond. There was no noticeable influence of substrate orientation, which indicated the broad usability of such monolayers. The ease of fabrication together with the outstanding electrical properties show the potential of these monolayers in creating hybrid molecularsilicon devices.
    Original languageEnglish
    Title of host publicationAnnual Workshop on Circuits, Systems and Signal Processing [and] Annual Workshop on Semiconductor Advances for Future Electronics and Sensors
    Subtitle of host publicationNovember 17-18, 2005, Veldhoven, the Netherlands
    Place of PublicationVeldhoven
    PublisherUtrecht Technology Foundation
    Pages6-10
    Number of pages5
    ISBN (Print)90-73461-50-2
    Publication statusPublished - 17 Nov 2006
    Event8th Annual Workshop on Semiconductor Advances for Future Electronics and Sensors, SAFE 2005 - Veldhoven, Netherlands
    Duration: 17 Nov 200518 Nov 2005
    Conference number: 8

    Workshop

    Workshop8th Annual Workshop on Semiconductor Advances for Future Electronics and Sensors, SAFE 2005
    Abbreviated titleSAFE
    CountryNetherlands
    CityVeldhoven
    Period17/11/0518/11/05

    Keywords

    • Silicon
    • Mercury probes
    • Organic monolayers
    • Insulator

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