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Right-Angle Black Phosphorus Tunneling Field Effect Transistor

  • Matthew C. Robbins
  • , Prafful Golani
  • , Steven J. Koester

Research output: Contribution to journalArticlepeer-review

Abstract

We report experimental demonstration of a right-angle black phosphorus (BP) tunneling field effect transistor (TFET). This device utilizes the effective mass anisotropy between the armchair (AC) and zigzag (ZZ) crystal orientations in BP as a means of inducing asymmetry between source and drain tunneling. As a result of this asymmetry, the BP TFET displays a higher {I} {\mathrm{\scriptscriptstyle ON}} / {I} { \mathrm{\scriptscriptstyle OFF}} ratio by 2 orders of magnitude and steeper SS than BP TFETs oriented along either the AC or ZZ direction only.

Original languageEnglish (US)
Article number8865564
Pages (from-to)1988-1991
Number of pages4
JournalIEEE Electron Device Letters
Volume40
Issue number12
DOIs
StatePublished - Dec 2019

Bibliographical note

Publisher Copyright:
© 1980-2012 IEEE.

Keywords

  • Black phosphorus
  • effective mass
  • nanotechnology
  • tunneling

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  • MRSEC IRG-1: Electrostatic Control of Materials

    Leighton, C. (Coordinator), Birol, T. (Senior Investigator), Fernandes, R. M. (Senior Investigator), Frisbie, D. (Senior Investigator), Goldman, A. M. (Senior Investigator), Greven, M. (Senior Investigator), Jalan, B. (Senior Investigator), Koester, S. J. (Senior Investigator), He, T. (Researcher), Jeong, J. S. (Researcher), Koirala, S. (Researcher), Paul, A. (Researcher), Thoutam, L. R. (Researcher) & Yu, G. (Researcher)

    11/1/1410/31/20

    Project: Research project

  • University of Minnesota MRSEC (DMR-1420013)

    Lodge, T. P. (PI)

    11/1/1410/31/20

    Project: Research project

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