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题名: Cutting Forces Related with Lattice Orientations of Graphene Using an Atomic Force Microscopy based Nanorobot
作者: Zhang Y(张嵛) ; Gao, Yang(高扬) ; Liu LQ(刘连庆) ; Xi N(席宁) ; Wang YC(王越超) ; Laipeng Ma ; Dong ZL(董再励) ; Uchechukwu C. Wejinya
作者部门: 机器人学研究室
关键词: Atomic force microscopy ; Graphene ; Monolayers ; Nanorobotics ; Robots
刊名: Applied Physics Letters
ISSN号: 0003-6951
出版日期: 2012
卷号: 101, 期号:21, 页码:213101
收录类别: SCI ; EI
产权排序: 1
摘要: The relationship between cutting forces and lattice orientations of monolayer graphene is investigated by using an atomic force microscopy (AFM) based nanorobot. In the beginning, the atomic resolution image of the graphene lattice is obtained by using an AFM. Then, graphene cutting experiments are performed with sample rotation method, which gets rid of the tip effect completely. The experimental results show that the cutting force along the armchair orientation is larger than the force along the zigzag orientation, and the cutting forces are almost identical every 60°, which corresponds well with the 60°symmetry in graphene honeycomb lattice structure. By using Poisson analysis method, the single cutting force along zigzag orientation is 3.9 nN, and the force along armchair is 20.5 nN. This work lays the experimental foundation to build a close-loop fabrication strategy with real-time force as a feedback sensor to control the cutting direction. © 2012 American Institute of Physics.
WOS记录号: WOS:000311477600051
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Applied
关键词[WOS]: LAYER GRAPHENE ; NANORIBBONS
研究领域[WOS]: Physics
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/10355
Appears in Collections:机器人学研究室_期刊论文

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