Low-energy methane scattering from Pt(111)

Kondo Takahiro; Al Taleb Amjad; Anemone Gloria; Farias Daniel

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Low-energy methane scattering from Pt(111)

机译：从PT（111）的低能量甲烷散射

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We have measured the temperature dependence of angular distributions of CH4 from Pt(111) at an incident energy of 109 meV. A broad angular distribution has been observed along the two main symmetry directions, whereby the peak center shifts from the supra-specular position to the sub-specular position when the surface temperature increases from 120 K to 800 K. Different widths have been measured for the scattering patterns along the [(1)over bar01] and the [(2)over bar11] azimuthal directions. Based on calculations performed within the binary collision model, these differences have been ascribed to different corrugations of the CH4-Pt(111) interaction potential along the two high-symmetry directions. This corrugation has been estimated from the model calculations to amount similar to 0.03 angstrom, a factor of three larger than the one measured with helium diffraction. Published by AIP Publishing.

机译：我们已经测量了在109meV的入射能中从Pt（111）的CH4角度分布的温度依赖性。沿着两个主要对称方向观察到宽角度分布，由此当表面温度从120k增加到800k时，峰值中心从Supra-Specular位置移位到子镜面位置。已经测量了不同的宽度沿[（＆ 1＆）散射图案上方的条形和 01]和横梁＆ 11]方位角方向的[（＆ 2>）。基于在二进制碰撞模型内进行的计算，这些差异已经归因于沿着两个高对称方向的CH4-PT（111）相互作用电位的不同波纹。从模型计算估计这种波纹与与0.03埃相似的量，比用氦衍射测量的倍数大。通过AIP发布发布。

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来源
《The Journal of Chemical Physics》 |2018年第8期|共8页
作者
Kondo Takahiro; Al Taleb Amjad; Anemone Gloria; Farias Daniel;
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作者单位

Univ Tsukuba Fac Pure &

Appl Sci Dept Mat Sci 1-1-1 Tennodai Tsukuba Ibaraki 3058573 Japan;

Univ Autonoma Madrid Dept Fis Mat Condensada Madrid 28049 Spain;

Univ Autonoma Madrid Dept Fis Mat Condensada Madrid 28049 Spain;

Univ Autonoma Madrid Dept Fis Mat Condensada Madrid 28049 Spain;

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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
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1. Low-energy methane scattering from Pt(111) [J] . Kondo Takahiro, Al Taleb Amjad, Anemone Gloria, The Journal of Chemical Physics . 2018,第8期

机译：从PT（111）的低能量甲烷散射
2. Low-Energy Cs~+ Scattering from Water on Pt(111): A Kinetic Energy Analysis of the Cs~+-Water Clusters [J] . J. R. Hahn, C. W. Lee, S.-J. Han, The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2002,第42期

机译：Pt（111）上水的低能Cs〜+散射：Cs〜+-水团簇的动能分析
3. Bonding of Molecular Solids Probed by Low-Energy H~+ Scattering. Water and Oxygen on Pt(111) [J] . Ryutaro Souda The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2001,第1期

机译：通过低能H〜+散射探测分子固体的键合。铂上的水和氧气（111）
4. PROBING THE ADSORPTION OF FLUORINE ON ALUMINUM (111) SURFACES BY LOW-ENERGY ION SCATTERING AND DENSITY FUNCTIONAL CALCULATIONS [C] . Robert Bastasz, Mark D. Allendorf International Symposia on Fundamental Gas-Phase and Surface Chemistry of Vapor-Phase Deposition II and Process Control, Diagnostics, and Modeling in Semiconductor Manufacturing IV, 2001 . 2001

机译：低能离子散射和密度泛函法研究氟在铝（111）表面的吸附
5. Desorption kinetics of small n-alkanes from magnesium oxide(100), platinum(111), and carbon(0001)/platinum(111) and studies of palladium nanoparticles: Growth and sintering on aluminum oxide(0001) and methane dissociation on magnesium oxide(100). [D] . Tait, Steven L., Jr. 2005

机译：氧化镁（100），铂（111）和碳（0001）/铂（111）的小正构烷烃的解吸动力学和钯纳米颗粒的研究：在氧化铝（0001）上生长和烧结以及在氧化镁上甲烷解离（100）。
6. Resonant charge transfer in low-energy ion scattering: Information depth in the reionization regime [O] . D. Primetzhofer, M. Spitz, E. Taglauer, -1

机译：低能离子散射中的共振电荷转移：电离过程中的信息深度
7. Energy dissipation and scattering angle distribution analysis of the classical trajectory calculations of methane scattering from a Ni(111) surface [O] . Milot, R, Kleyn, A W, Jansen, A P J 2001

机译：Ni（111）表面甲烷散射经典轨迹计算的能量耗散和散射角分布分析
8. Kinetics of the Interaction of Azomethane with Low-Energy Electrons on Ag(111) [R] . Castro, M. E., Pressley, L. A., White, J. M. 1991

机译：ag（111）上偶氮甲烷与低能电子相互作用的动力学

Low-energy methane scattering from Pt(111)

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