標題: Atomistic view of the recombinative desorption of H-2 from H/Si(100)
作者: Ferng, SS
Lin, CT
Yang, KM
Lin, DS
Chiang, TC
物理研究所
Institute of Physics
公開日期: 20-五月-2005
摘要: Scanning tunneling microscopy is employed to investigate the recombinative desorption of H-2 from hydrogenated Si(100) surfaces consisting of dihydride (SiH2) and monohydride (SiH) surface species organized in (1x1), (3x1), and (2x1) configurations. The results show that desorption from dihydrides involves a pair of neighboring dihydrides linked along the tetrahedral bond direction. Dihydrides in (3x1) domains are separated in the same direction by monohydrides, and desorption from a pair is geometrically impossible. The same desorption mechanism nevertheless applies via first a position switching of dihydrides with neighboring monohydrides.
URI: http://dx.doi.org/10.1103/PhysRevLett.94.196103
http://hdl.handle.net/11536/148935
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.94.196103
期刊: PHYSICAL REVIEW LETTERS
Volume: 94
Issue: 19
起始頁: 0
結束頁: 0
顯示於類別:期刊論文


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