Controlling surface shallow junction depth by a rapid thermal annealing process with low ambient pressure

Yi Jen Huang, Chun Chu Liu, Kuang Yao Lo, Sheng Yuan Chu

研究成果: Article

1 引文 斯高帕斯(Scopus)

摘要

We demonstrate the effect of annealing pressure on the redistribution of phosphorus dopants in silicon. The phosphorus concentration in the kink region is dependent on the annealing pressure that enhances the phosphorous transient out-diffusion. The phosphorous in-diffusion in the tail region is suppressed by this transient out-diffusion under low annealing pressure (below the atmosphere), and the surface shallow junction depth is reduced. The phenomenon of dose loss caused by the phosphorous piling-up or sublimation at the surface has an influence on the electrical characteristics and the surface roughness. Moderate annealing pressure can reduce the junction depth and only slightly increase the sheet resistance and surface roughness.

原文English
頁(從 - 到)2494-2497
頁數4
期刊Applied Surface Science
257
發行號7
DOIs
出版狀態Published - 2011 一月 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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