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Low energy ion scattering from a Ni(100) surface
Affiliation:1. INSERM U1060-CarMeN /Université Claude Bernard Lyon 1/INRAE/ Université Claude Bernard Lyon 1: Laboratoire CarMeN, 165 chemin du Grand Revoyet, CHLS, 69310 Pierre Bénite, France;2. Hospices Civils de Lyon: 2 quai des Célestins, 69001 Lyon, France;1. Nuclear Research Center, School of Engineering and Applied Sciences, National University of Mongolia, Ikh Surguuuliin Street, Ulaanbaatar 210646, Mongolia;2. Nuclear Reaction Data Centre, Faculty of Science, Hokkaido University, N10W8, Sapporo 060-0810, Japan;1. Brigham Young University, College of Physical and Mathematical Sciences, Department of Chemistry and Biochemistry, Provo, UT 84602, United States;2. IONTOF GmbH, Münster, Germany;3. Brigham Young University, College of Engineering, Department of Information Technology, Provo, UT 84602, United States;4. Science and Technology Division, Corning Incorporated, Corning NY, United States;1. Department of Physics, Malaviya National Institute of Technology Jaipur, JLN Marg, Malviya Nagar, 302017, Jaipur, Rajasthan, India;2. Department of Physics, Kurukshetra University, Kurukshetra, Haryana, 136119, India;3. Department of Physics, The LNM Institute of Information Technology, Jaipur, 302031, India;4. CSNSM, IN2P3-CNRS, Batiment 108, F-91405, Orsay Campus, France;1. Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 3058/10, 616 00, Brno, Czech Republic;2. CEITEC – Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00, Brno, Czech Republic;3. Institute of Physical Engineering, Faculty of Mechanical Engineering, Brno University of Technology, Technická 2896/2, 616 69, Brno, Czech Republic;4. Institute of Physics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16, Prague 2, Czech Republic
Abstract:We have tudied the scattering of He and Ne ione from a clean Ni(001) surface in the energy range of 0.5 to 5 keV. The spectra are dominated by scattering from atoms in the first layer for energies belowe 2 keV, whereas for higher energies contributions from the second layer can be identified. In the impact collision mode of ion scattering spectroscopy with a scattering angle =164°, the shape of the shadow cone can be determined. These experimental shadow cone radii agree over a wide range of parameters well with calculations using a Thomas-Fermi-Molière potential with a reduced screening length.
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