Abstract The latest issue of the International Journal of Applied Physics Express, in the form of a cover paper, published the latest achievements of the micro-nano research group of the Shenyang Institute of Automation, Chinese Academy of Sciences, using nano-operated robots for controllable processing of graphene. This is following the "Science Bulletin", "Chinese Science:...
The latest issue of the International Academic Journal of Applied Physics Express, in the form of a cover paper, published the latest achievements in the controllable processing of graphene using nano-operated robots by the Micro-Nano Group of the Shenyang Institute of Automation, Chinese Academy of Sciences. This is following the "Science Bulletin", "Chinese Science: Physics and Mechanics Astronomy", "Journal of Physical Chemistry", the scientific research results of this research group have once again been published on the cover of authoritative journals at home and abroad. Graphene is a two-dimensional nanomaterial of a single-layered sheet structure composed of carbon atoms. Since the physical properties of graphene are closely related to its geometric configuration, the controllable cutting technology of graphene is the basic premise for advancing graphene deviceization and putting it into practical use. At present, the scientific community has developed a variety of graphene cutting methods, but these methods are mostly open-loop mode, lacking the necessary information feedback and precise control, hindering the reproducible, controllable and high-precision graphene geometry processing. achieve.
In response to this problem, the micro-nano research group based on the graphene samples provided by the Carbon Materials Research Department of the Institute of Metals, Chinese Academy of Sciences, carried out research on controllable processing of graphene based on nano-operated robots. This study shows that due to the asymmetry of the graphene lattice structure, different cutting forces will be felt when the probes are cut along different lattice directions. This discovery lays a foundation for the establishment of graphene cutting method based on nano force feedback, and provides a feasible technical way for graphene cutting to achieve lattice precision, making batch processing of graphene nanodevices possible, which will greatly promote nanometers. The development process of manufacturing.
It is understood that since 2009, the research team has made a number of important aspects in the controllable assembly method of graphene, graphene atomic precision observation technology in atmospheric environment, graphene crystal orientation rapid identification technology and graphene defect modification method. Original results.
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