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Reliable Lateral Manipulation of Single Adatom on Metal fcc(111) Surfaces with a Single-Atom Tip |
| XIE Yi-Qun; LIU Qing-Wei;ZHANG Peng;GAN Fu-Xi;ZHUANG Jun |
| Department of Optical Science and Engineering, State Key Joint Laboratory for Materials Modification by Laser, Ion and Electron Beams, Fudan University, Shanghai 200433 |
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| Cite this article: |
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XIE Yi-Qun, LIU Qing-Wei, ZHANG Peng et al 2008 Chin. Phys. Lett. 25 1799-1802 |
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Abstract Using molecular statistics simulations based on the embedded atom method potential, we investigate the reliability of the lateral manipulation of single Pt
adatom on Pt(111) surface with a single-atom tip for different tip heights (tip-surface distance) and tip orientations. In the higher tip-height range, tip orientation has little influence on the reliability of the manipulation, and there is an optimal manipulation reliability in this range. In the lower tip-height
range the reliability is sensitive to the tip orientation, suggesting that we can obtain a better manipulation reliability with a proper tip orientation. These results can also be extended to the lateral manipulation of Pd adatom on Pd(111) surface.
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| Keywords:
68.35.Fx
68.35.Ja
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Received: 06 December 2007
Published: 29 April 2008
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| PACS: |
68.35.Fx
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(Diffusion; interface formation)
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68.35.Ja
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(Surface and interface dynamics and vibrations)
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