| 利用铜探针在Ag(111)表面进行单原子横向操纵的可靠性研究 |
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| 引用本文： | 阳红梅,谢逸群. 利用铜探针在Ag(111)表面进行单原子横向操纵的可靠性研究[J]. 江西科学, 2010, 28(1): 28-31 |
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| 作者姓名： | 阳红梅 谢逸群 |
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| 作者单位： | 1. 广东技术师范学院经济与贸易学院,广东,广州,510400
2. 上海师范大学物理系,上海,200234 |
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| 基金项目： | 上海市教委创新基金(10YZ75) |
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| 摘 要： | 采用分子力学方法结合原子嵌入势,模拟利用铜探针对吸附在Ag(111)表面的单个Ag原子进行横向操纵,主要研究探针高度对横向操纵可靠性的影响。使用单原子探针可以在平整的Ag(111)表面实现成功的横向操纵,探针的高度范围是1.0到4.9埃()。总体上,操纵可靠性随探针高度的增加而降低。与使用银探针进行的横向操纵相比[Appl.Surf.Sci.256(2009)1502],操纵可靠性在较宽的探针高度范围内有明显提高。
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| 关 键 词： | 扫描隧道显微镜 单原子操纵 吸附原子 金属表面 |
Reliability of the Lateral Manipulation of Single Ag Atoms on the Ag(111) Surface with the Cu Tip |
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| YANG Hong-mei,XIE Yi-qun. Reliability of the Lateral Manipulation of Single Ag Atoms on the Ag(111) Surface with the Cu Tip[J]. Jiangxi Science, 2010, 28(1): 28-31 |
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| Authors: | YANG Hong-mei XIE Yi-qun |
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| Affiliation: | 1.Department of Finance and Economics/a>;Guangdong Polytechnic Normal University/a>;Guangdong Guangzhou 510400 PRC/a>;2.Department of Physics/a>;Shanghai Normal University/a>;Shanghai 200234 PRC |
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| Abstract: | We study the lateral manipulation of single Ag adatom on the Ag(111) surface with a Cu single-atom tip based on the molecular statics method with embed-atom-method potentials.The dependence of the manipulation reliability on the tip height is studied.The manipulation can be successful in a tip height-height range of 1.0-4.9 angstrom.Overall,the manipulation reliability increases with the decreasing tip height,and the manipulation reliability can be improved greatly,as compared with that of the lateral manip... |
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| Keywords: | Scanning tunneling microscope Single atom manipulation Adatom Metal surface |
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