Surface geometry of pure iridium oxidized at 1373 K in air

Z. B. Bao*, H. Murakami, Y. Yamabe-Mitarai

*この研究の対応する著者

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The surface microstructure of a polished Ir sample during isothermal heat treatment at 1373 K in air was characterized. Various surface morphologies including triangular pits and terraces, "pyramid"-like plateaus and striated edges were observed. Changes in surface geometry were highly dependent on the original grain orientation. Most grains were confirmed to possess or partly exhibit a geometric configuration of {1 1 1} faceting habit, while periodic bond chain (PBC) vectors played an important role in determining the ultimate surface morphology. The mechanism and process of how these distinct surface morphologies formed are discussed.

本文言語English
ページ(範囲)1514-1518
ページ数5
ジャーナルApplied Surface Science
258
4
DOI
出版ステータスPublished - 2011 12月 1
外部発表はい

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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