Single-charge transport in ambipolar silicon nanoscale field-effect transistors

Filipp Müller, Georgios Konstantaras, Wilfred G. van der Wiel, Floris A. Zwanenburg

    Research output: Contribution to journalArticleAcademicpeer-review

    9 Citations (Scopus)
    31 Downloads (Pure)


    We report single-charge transport in ambipolar nanoscale MOSFETs, electrostatically defined in near-intrinsic silicon. We use the ambipolarity to demonstrate the confinement of either a few electrons or a few holes in exactly the same crystalline environment underneath a gate electrode. We find similar electron and hole quantum dot properties while the mobilities differ quantitatively like in microscale devices. The understanding and control of individual electrons and holes are essential for spin-based quantum information processing.
    Original languageEnglish
    Pages (from-to)172101
    Number of pages5
    JournalApplied physics letters
    Publication statusPublished - 27 Apr 2015


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