The latest issue of the *International Journal of Applied Physics Express* has featured a cover paper highlighting the groundbreaking work of the Micro-Nano Research Group from the Shenyang Institute of Automation, Chinese Academy of Sciences. The study presents new advances in the controllable processing of graphene using nano-operated robots. This marks another milestone for the group, following previous publications in esteemed journals such as *Science Bulletin*, *Chinese Science: Physics, Mechanics & Astronomy*, and *Journal of Physical Chemistry*.
Graphene, a two-dimensional nanomaterial composed of a single layer of carbon atoms, holds immense potential for next-generation electronic and mechanical devices. However, its practical application relies heavily on precise control over its structure. Current methods for cutting graphene are mostly open-loop systems, lacking real-time feedback and accurate control, which limits their reproducibility and precision.
To address this challenge, the research team at the Shenyang Institute of Automation collaborated with the Carbon Materials Research Department of the Chinese Academy of Sciences. They developed a novel approach using nano-operated robots to achieve controllable graphene processing. Their findings reveal that the asymmetry in graphene’s lattice structure leads to varying cutting forces depending on the direction of the cut. This discovery paves the way for a new method of graphene cutting based on nano-scale force feedback, enabling precise, lattice-level manipulation and making large-scale production of graphene-based nanodevices more feasible.
Since 2009, the team has made significant contributions in various areas, including controllable assembly techniques, atomic-scale observation of graphene under ambient conditions, rapid identification of crystal orientation, and defect modification strategies. These achievements have solidified their position as a leading group in the field of graphene research. With continued innovation, their work is expected to accelerate the development of nanoscale manufacturing technologies and bring graphene closer to real-world applications.
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