Rapid isothermal processing of strained GeSi layers

Deepak K. Nayak, Kamyar Kamjoo, Jin Suk Park, Jason C.S. Woo, Kang L. Wang

研究成果: Article同行評審

70 引文 斯高帕斯(Scopus)

摘要

A cold-wall rapid thermal processor is used to study the oxidation and annealing properties of GexSi1-x strained layers. The dry oxidation rate of GexSi1-x is found to be the same as that of Si, while the wet oxidation rate is found to be higher than that of Si, and the oxidation rate increases with the Ge concentration (up to 20% in this study). A high fixed oxide charge density (>5 x 1011/cm2) and interface trap level density (>1012/cm2. eV) at the oxide interface have been determined from capacitance-voltage measurements. Using techniques such as X-ray rocking curve analysis, and I-V and C-V measurements of the p-n heterojunction, it is found that the degradation of electronic properties of metastable GexSi1_x strained layers during rapid thermal annealing are related to the formation of structural defects at the heterointerfaces.

原文English
頁(從 - 到)56-63
頁數8
期刊IEEE Transactions on Electron Devices
39
發行號1
DOIs
出版狀態Published - 1992 一月

All Science Journal Classification (ASJC) codes

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

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