Thiol on GaAs - physisorption to chemisorption

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Uploaded by on Feb 9, 2007

Process of long-chain alkanethiol adsorption on As-rich GaAs (001) surface: it first physisorbs on surface with S-H close to two nearby surface As atoms and then thermal vibrations cleave S-H bond, but leaving both parts chemisorbed on surface.
More info at http://voznyy.elinity.com/research/thiols-gaas/
The work was done in the laboratory of Prof. Jan. J. Dubowski, Canada Research Chair in Quantum Semiconductors http://www.dubowski.ca

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  • yes, done with SIESTA

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