Angle resolved XPS studies on an anodic oxide formed on Ti-Nb-Sn alloy and the photo-induced change in carbon contaminants adsorbed on its surface

Naofumi Ohtsu, Naoya Masahashi, Yoshiteru Mizukoshi

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Anodic oxide formed on a Ti-Nb-Sn alloy was analyzed by angle-resolved X-ray photoelectron spectroscopy (XPS) to determine the chemical state and composition of the uppermost surface. The anodic oxide formed on the alloy consisted of Ti-O 2 , SnO 2 , and Nb 2 O. The cationic fractions of Nb 2 O 5 and SnO 2 were lower than the atomic fractions of Nb and Sn in the alloy, and the uppermost surface contained higher concentrations of these oxides. The photo-induced change in the amount of carbon contaminants adsorbed on its surface was also analyzed by XPS combined with in situ ultraviolet (UV) light illumination. The variations in the chemical state induced by the UV light illumination were consistent with those on monolithic Ti-O 2 .

本文言語English
ページ(範囲)6052-6055
ページ数4
ジャーナルApplied Surface Science
258
16
DOI
出版ステータスPublished - 2012 6 1

ASJC Scopus subject areas

  • 化学 (全般)
  • 凝縮系物理学
  • 物理学および天文学(全般)
  • 表面および界面
  • 表面、皮膜および薄膜

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