Analysis of removal of surface-state-related lags and current slump in GaAs FETs

H. Hafiz, Masatoshi Kumeno, Kazushige Horio

研究成果: Article

2 引用 (Scopus)

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Two-dimensional transient analysis of field-plate GaAs MESFETs is performed by considering surface states in the region from the gate toward the drain. Quasi-pulsed current-voltage curves are derived from the transient characteristics. It is shown that drain lag and current slump because of surface states are reduced by introducing a field plate longer than the surface-state region. Dependence of drain lag, gate lag, and current slump on the field-plate length and SiO2 passivation layer thickness is studied, indicating that the lags and current slump can be completely removed in a case with a thin SiO2 layer.

元の言語English
記事番号6603270
ページ(範囲)1361-1363
ページ数3
ジャーナルIEEE Electron Device Letters
34
発行部数11
DOI
出版物ステータスPublished - 2013 11 13

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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