Attenuated total reflection Fourier transform infrared spectroscopy study of the adsorption of organic contaminants on a hydrogen-terminated Si(111) surface in air

Shen Ye, Taro Ichihara, Kohei Uosaki

研究成果: Article査読

55 被引用数 (Scopus)

抄録

The adsorption of organic contaminants on a hydrogen-terminated Si(111) surface was investigated using attenuated total reflection Fourier transform infrared spectroscopy. When the hydrogen-terminated Si(111) surface was exposed to dry air, the sharp Si-H monohydride peak became weaker and a broad component became visible in the lower wave-number region. Furthermore, a number of bands within the C-H stretching region were observed. The intensity of the sharp Si-H band was recovered to a certain extent and those of the broad component and the C-H bands decreased after the sample was rinsed in hexane. These results suggest that the contamination by organic adsorbates is not accompanied by a chemical bond formation.

本文言語English
ページ(範囲)1562-1564
ページ数3
ジャーナルApplied Physics Letters
75
11
DOI
出版ステータスPublished - 1999 9 13
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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