Electrostatic Doping in Semiconductor Devices

Gaurav Gupta, Bijoy Rajasekharan, Raymond J.E. Hueting

    Research output: Contribution to journalArticleAcademicpeer-review

    72 Citations (Scopus)
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    To overcome the limitations of chemical doping in nanometer-scale semiconductor devices, electrostatic doping (ED) is emerging as a broadly investigated alternative to provide regions with a high electron or hole density in a semiconductor device. In this paper, we review various reported ED approaches and related device architectures in different material systems. We highlight the role of metal and semiconductor workfunctions, energy bandgap, and applied electric field and the interplay between them for the induced ED. The effect of interface traps on the induced charge is also addressed. In addition, we discuss the performance benefits of ED devices and the major roadblocks of these approaches for potential future CMOS technology.
    Original languageEnglish
    Pages (from-to)3044-3055
    Number of pages12
    JournalIEEE Transactions on Electron Devices
    Issue number8
    Publication statusPublished - 23 Jun 2017


    • Doping
    • Logic gates
    • Metals
    • Schottky barriers
    • Silicon
    • Electrostatics
    • Charge carrier processes


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