Trampoline motions in Xe–graphite(0 0 0 1) surface scattering

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• 作者：Yoshimasa Watanabe ; Hiroki Yamaguchi ; Michihiro Hashinokuchi ; Kyoichi Sawabe ; Shigeo Maruyama ; Yoichiro Matsumoto and Kosuke Shobatake
• 刊名：Chemical Physics Letters
• 出版年：2005
• 期刊代码：7_00092614
• 类别：ph
• 出版时间：2005
• 卷：413
• 期：4-6
• 页码：331-334
• 文件大小：216 K

摘要

We have investigated Xe scattering from the graphite(0 0 0 1) surface at hyperthermal incident energies using a molecular beam-surface scattering technique and molecular dynamics simulations. For all incident conditions, the incident Xe atom conserves the momentum parallel to the surface and loses approximately 80%of the normal incident energy. The weak interlayer potential of graphite disperses the deformation over the wide range of a graphene sheet. The dynamic corrugation induced by the collision is smooth even at hyperthermal incident energy; the graphene sheet moves like a trampoline net and the Xe atom like a trampoliner.