Deposition of high-k samarium oxide membrane on polysilicon for the extented-gate field-effect transistor (EGFET) applications

Chyuan Haur Kao, Hsiang Chen*, Jer Chyi Wang, Yu Cheng Chu, Chiao Sung Lai, Shih Po Lin, Chuan Yu Huang, Jiun Cheng Ou

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

4 Scopus citations

Abstract

The paper reports samarium oxide as pH. sensing membrane on polysilicon combined with proper post deposition annealing for the extended-gate field-effect transistor (EGFET) application at the first time. It can be found that the high-k samarium oxide membrane annealed at 700 °C could obtain high sensitivity, high linearity, low hysteresis voltage, and low drift rate due to improvements of crystalline structures. The high-k Sm2O3 sensing membrane shows great promise for future bio-medical device applications.

Original languageEnglish
Pages (from-to)13-16
Number of pages4
JournalJournal of New Materials for Electrochemical Systems
Volume17
Issue number1
DOIs
StatePublished - 2014

Keywords

  • Annealing
  • EGFET
  • Hysteresis effects
  • Ph. sensor
  • Samarium oxide

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