Vibrational Excitations of Methane Monolayer Physisorbed on Ag(111) Surfaces
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概要
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Vibrational spectra of a CH_4 monolayer were studied by high-resolution electron energy loss spectroscopy. Monolayerof CH_4 was physisorbed on a Ag(111) surface at 40 K. The dependence of vibrational excitation cross section on the incident electron energy and scattering geometry was studied. Excitation of the v_4 mode was mainly excited by dipole scattering, while the v_2 mode was excited via impact scattering. The combinational mode was observed at the incident electron energies of 6-10 eV. The effect of negative-ion resonance is discussed from the experimental results.
- 社団法人応用物理学会の論文
- 1987-10-20
著者
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Okano Tatsuo
Institute Of Industrial Science The University Of Tokyo
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Tuzi Y
Institute Of Industrial Science University Of Tokyo
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Tuzi Yutaka
Institute Of Industrial Science University Of Tokyo
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Sakurai Makoto
Institute Of Industrial Science University Of Tokyo
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Sakurai Makoto
Institute For Chemical Research Kyoto University
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