Molecular Beam Study of H2O Interaction with Pt(111)

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概要

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• We have developed a highly stable supersonic H2O molecular beam and examined its properties by time-of-flight technique. A wide range of incident kinetic energy $E_{i}$ of 340–730 meV with $\Delta E/E$ of 0.2–0.3 and 77–163 meV with $\Delta E/E$ of 0.4–0.6 is achieved by seeding He and He+Ar, respectively. The incident kinetic energy dependence of the angular intensity distributions of H2O scattered from Pt(111) at 500 K is measured in order to understand the inelastic scattering process of H2O on Pt(111). The comparisons of H2O scattering with Ne scattering from Pt(111) and with the prediction of the simple classical binary collision model reveal that not only phonon creation in the surface but also a large amount of H2O rotational mode excitation and/or chattering scattering takes place during collision, particularly for high incident kinetic energy conditions.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2004-03-15

著者

• Yamamoto Shigehiko

  Institute Of Applied Physics And Center For Tsukuba Advanced Research Alliance University Of Tsukuba

• Kondo Takahiro

  Institute Of Applied Physics And Center For Tsukuba Advanced Research Alliance The University Of Tsu

• Mori Daisuke

  Institute Of Applied Physics And Center For Tsukuba Advanced Research Alliance The University Of Tsu

• Okada Ryuta

  Institute Of Applied Physics And Center For Tsukuba Advanced Research Alliance The University Of Tsu

• Yamamoto Shigehiko

  Institute of Applied Physics and Center for Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan

関連論文

• Local Tunneling Barrier Height Measurement on Au(111)
• Moire-like Distribution of Local Tunneling Barrier Height of the Monolayer Graphite Adsorbed on Pt(111) Surface
• Local Tunneling Barrier Height Studies of the Initial Stage of Cs Adsorption on a Si(111) 7 x 7 Surface
• Scanning funneling Microscopy (STM)/LocaI Tunneling Barrier Height (LBH) Studies on Cs Adsorption on a Pt(111) Surface
• Molecular Beam Time of Flight Analysis of the Reaction Dynamics of Alkane Molecules Interacting with a Pt(111) Surface
• Inelastic Collision Processes of Methane and Ethane Molecules at a Pt(111) Surface Studied by Molecular Beam Scattering Techniques
• A Novel He Atom Scattering Technique Complementary to Temperature Programmed Desorption
• He Atomic Beam Scattering Study of Pt(111) Super-Structure Surface Induced by High Energy Molecular Beam of H_2O
• Velocity Distribution Measurements of a Supersonic Methane Molecular Beam Reflected from a Pt(111) Surface at Various Reflection Angles
• Surface Morphology of Ba Atomic Layer on a LiF(001) Surface Studied by He Atomic Beam Scattering
• Inelastic Rainbow Scattering of CH_4 Molecules from a LiF(001) Surface
• Ion Irradiation Effect on the Microscopic Potential Distribution of MgO Surface
• Local Tunneling Barrier Height Image of the Si(111)-(7×7) Surface
• Atomic-Structure-Dependent Adsorption of Ammonia onto GaAs (111) B Surfaces
• Visualizing the Interrelation between Surface Topograph and Surface Potential by means of a Scanning Maxwell Stress Microscope
• Molecular Beam Study of H2O Interaction with Pt(111)
• Local Tunneling Barrier Height Studies of Thermally Treated CO- and O-covered Pt(100) Surfaces
• Microscopic Study on the Work Function Reduction Induced by Cs-Adsorption

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