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Highly Efficient Self-Curing Method in MOSFET Using Parasitic Bipolar Junction Transistor

  • Wonjun Shin
  • , Ryun Han Koo
  • , Seongbin Hong
  • , Dongseok Kwon
  • , Joon Hwang
  • , Byung Gook Park
  • , Jong Ho Lee
  • Seoul National University

Research output: Contribution to journalArticlepeer-review

Abstract

We propose a hybrid self-curing method based on the parasitic bipolar junction transistor (PBJT) inherent to metal-oxide-semiconductor field-effect transistor (MOSFET). The PBJT utilizes the positive feedback of impact ionization to flow a large current close to the channel, generating Joule heat. Unlike conventional self-curing methods, the PBJT-based self-curing recovers the damaged gate oxide along the lateral dimension of the entire channel. The effects of the hybrid curing are quantitatively verified by low-frequency noise spectroscopy and charge pumping method.

Original languageEnglish
Pages (from-to)1001-1004
Number of pages4
JournalIEEE Electron Device Letters
Volume43
Issue number7
DOIs
StatePublished - 1 Jul 2022
Externally publishedYes

Keywords

  • Charge pumping (CP)
  • Joule heat (JH)
  • low-frequency noise (LFN)
  • parasitic bipolar junction transistor (PBJT)
  • self-curing

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