Subsurface formation of oxygen on a Ru(0001) surface

J. H. Kim, J. H. Lee, H. Kato, N. Horimoto, M. Kawai, Y. S. Lee

研究成果: Article

4 引用 (Scopus)


The formation of subsurface oxygen on a clean and sputtered Ru(0001) surface is studied using thermal desorption spectroscopy (TDS) and low energy electron diffraction (LEED). The oxygen was incorporated by exposing the surface to a partial oxygen pressure in the range of 10-8 -10-9 Torr. By monitoring the signal of recombinatively desorbed molecular oxygen as a function of sample temperature, we found that oxygen molecules penetrated into the subsurface region after saturating the adsorbed layer characterized by the p(2 × 2) LEED pattern indicative of 0.25 monolayers (1 ML = 1.58 × 1015 cm-2). In contrast, the defects generated by Ar+ sputtering on the Ru surface appear at thermally more stable sites in high-temperature O2 thermal desorption states.

ジャーナルJournal of the Korean Physical Society
出版物ステータスPublished - 2003 3 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

フィンガープリント Subsurface formation of oxygen on a Ru(0001) surface' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

  • これを引用

    Kim, J. H., Lee, J. H., Kato, H., Horimoto, N., Kawai, M., & Lee, Y. S. (2003). Subsurface formation of oxygen on a Ru(0001) surface. Journal of the Korean Physical Society, 42(3), 408-412.