Outdiffusion And Subsequent Desorption Of Volatile Sio Molecules During Annealing Of Thick Si02 Films In Vacuum

Yuji Takakuwa, Mizuhisa Nihei, Nobuo Miyamoto

研究成果: Article査読

29 被引用数 (Scopus)

抄録

The depth profile of so-called suboxides in the surface region for 1000-A-thick SiC>2 films annealed in vacuum at 800 °C was measured by angle-resolved X-ray photoelectron spectroscopy. It was found that the amount of suboxide distributed under the surface increases rapidly and almost saturates with annealing time, while the change in the amount of suboxide present on the surface is very small and increases gradually with annealing time. This indicates that very fast outdiffusion of SiO molecules through thick Si02 films takes place at as low as 800°C, leading to desorption from the Si02 surface.

本文言語English
ページ(範囲)L480-L483
ジャーナルJapanese journal of applied physics
32
4 A
DOI
出版ステータスPublished - 1993 4

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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