Stress-induced phenomena on gold surfaces in air |
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| Institution: | 1. University College London, London, United Kingdom;2. School of Materials Science and Engineering, Zhejiang University, Hangzhou, China;3. Departments of Chemistry and Mechanical Engineering, Zhejiang Institute of Research and Innovation, The University of Hong Kong, Hong Kong SAR, China |
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| Abstract: | When gold atoms are field-evaporated onto a gold surface in an STM in an atmospheric environment, the deposited clusters can induce a large strain on the substrate around them. Cluster atoms may spread by diffusion to relieve the strain. Sometimes, additional features involving the substrate atoms are formed which can be changed by the scanning direction of the tip. For a surface which has not yet reached the thermal equilibrium state, the tip scanning can occasionally induce large-scale structural changes of the surface. |
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