Monohydride and dihydride formation at Si(100) 2x1: A high resolution electron energy loss spectroscopy study |
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| Authors: | F Stucki JA Schaefer JR Anderson GJ Lapeure W Göpel |
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| Institution: | Physics Department, Montana State University Bozeman, MT 59717, USA |
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| Abstract: | Results from EELS and LEED investigations on the interaction of atomic hydrogen with the Si(100) 2x1 surface give direct evidence for the formation of two distinct surface phases: a monohydride Si(100) 2x1:H and a dihydride Si(100) 1x1::2H phase. Temperature and exposure time determine which of the two phases appears. An analysis of normal vibrational modes leads to an identification of hydrogen adsorption complexes in both phases. |
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