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Interfacial characterization of ceo2-gatcd MOSFETs using gated-diode method and charge pumping technique

  • F. C. Chm
  • , H. W. Chen
  • , C. H. Chen
  • , C. H. Liu
  • , S. Y. Chen
  • , B. S. Huang
  • , Z. Y. Hsieh
  • , H. S. Huang
  • , H. L. Hwang

研究成果: 書貢獻/報告類型會議論文篇章

摘要

Metal-oxide-semiconductor field-effect transistors (MOSFETs) incorporating CeCO2 dielectrics were fabricated and investigated. In this work, the interfacial and electrical properties of CeCO2/Si were characterized by gated-diode method and charge pumping technique. The lowest density of interface traps per area and energy (Dit) of CeO2/Si interface in comparison with other high-K material is about 7.3×10 10 cm-2-eV-1 due to the very low lattice mismatch at CeCO2/Si interface. The density of interface trap per area (Nit) determined using gated diode method is 6×10 9 cm-2. The minority carrier lifetime (τ fIJ), the effective capture cross section of surface state (σs) and surface recombination velocity (so) extracted using gated-diode method are 4.09×10-8 s, 7.14×10-14 cm2 and 4310 cm/s, respectively. Furthermore, a comparison with MOSFETs using the other high-K materials as gate dielectrics was also made.

原文英語
主出版物標題ECS Transactions - Physics and Technology of High-k Gate Dielectrics 6
發行者Electrochemical Society Inc.
頁面423-432
頁數10
版本5
ISBN(列印)9781566776516
DOIs
出版狀態已發佈 - 2009
事件Physics and Technology of High-k Gate Dielectrics 6 - 214th ECS Meeting - Honolulu, HI, 美国
持續時間: 2008 10月 132008 10月 15

出版系列

名字ECS Transactions
號碼5
16
ISSN(列印)1938-5862
ISSN(電子)1938-6737

其他

其他Physics and Technology of High-k Gate Dielectrics 6 - 214th ECS Meeting
國家/地區美国
城市Honolulu, HI
期間2008/10/132008/10/15

ASJC Scopus subject areas

  • 一般工程

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