Relaxation of the edge atoms of a stepped Cu(410) surface |
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| Affiliation: | 1. SANKEN, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan;2. Daicel Corporation, Grand Front Osaka Tower-B 3-1, Ofuka-cho, Kita-ku, Osaka, 530-0011, Japan;1. School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, 86 Hongqi Road, Ganzhou 341000, Jiangxi, China;2. Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, Chongqing, China;3. Environmental Engineering and Science Program, Department of Biomedical, Chemical and Environmental Engineering, University of Cincinnati, Cincinnati 45221-0012, OH, United States;1. Multidisciplinary Platform of Advanced Engineering, Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia;2. Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore;3. School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China;1. School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an, 710021, China;2. Key Laboratory for Advanced Materials, Centre for Computational Chemistry and Research Institute of Industrial Catalysis, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, China;1. Institute for Materials Chemistry and Engineering (IMCE), Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan;2. Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan;3. Research Center for Negative Emissions Technologies (K-Nets), Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan;4. International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan;5. Department of Materials Molecular Science, Institute for Molecular Science (IMS), Okazaki, Aichi 444-8585, Japan;6. Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Chiyoda, Tokyo 102-0076, Japan;7. Integrated Research Consortium on Chemical Sciences, Nagoya University, Chikusa, Nagoya 464-8602, Japan;8. Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan |
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| Abstract: | The edge atom position of the stepped Cu(410) surface has been investigated with low energy ion scattering (LEIS) using 10–20 keV H+. It is possible to determine the atomic position by utilizing atomic shadowing effects. The scattered particles are analysed with a time-of-flight spectrometer. This means that we can detect scattered hydrogen leaving the copper surface in the neutral state as well as in the charged state, so the influence of neutralization of the scattered particles along different outgoing trajectories is eliminated. We find an inward relaxation of the edge atoms; assuming that this relaxation takes place in the (100) plane it amounts to about 8% of the interlayer spacing. |
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