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-May-2005
摘要: Scanning tunneling microscopy is employed to investigate the recombinative desorption of H(2) from hydrogenated Si(100) surfaces consisting of dihydride (SiH(2)) 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/11536/13702
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.94.196103
期刊: PHYSICAL REVIEW LETTERS
Volume: 94
Issue: 19
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