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Effective Mechanical Properties and Thickness Determination of Boron Nitride Nanosheets Using Molecular Dynamics Simulation

机译:分子动力学模拟确定氮化硼纳米片的有效力学性能和厚度

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摘要

Research in boron nitride nanosheets (BNNS) has evoked significant interest in the field of nano-electronics, nanoelectromechanical (NEMS) devices, and nanocomposites due to its excellent physical and chemical properties. Despite this, there has been no reliable data on the effective mechanical properties of BNNS, with the literature reporting a wide scatter of strength data for the same material. To address this challenge, this article presents a comprehensive analysis on the effect of vital factors which can result in variations of the effective mechanical properties of BNNS. Additionally, the article also presents the computation of the correct wall thickness of BNNS from elastic theory equations, which is an important descriptor for any research to determine the mechanical properties of BNNS. It was predicted that the correct thickness of BNNS should be 0.106 nm and the effective Young’s modulus to be 2.75 TPa. It is anticipated that the findings from this study could provide valuable insights on the true mechanical properties of BNNS that could assist in the design and development of efficient BN-based NEMS devices, nanosensors, and nanocomposites.
机译:氮化硼纳米片(BNNS)的研究由于其出色的物理和化学特性,引起了纳米电子,纳米机电(NEMS)器件和纳米复合材料领域的巨大兴趣。尽管如此,还没有关于BNNS有效力学性能的可靠数据,文献报道了相同材料的强度数据分布广泛。为了应对这一挑战,本文对可能导致BNNS有效机械性能变化的重要因素的影响进行了全面分析。此外,本文还介绍了根据弹性理论方程计算BNNS正确壁厚的方法,这对于确定BNNS力学性能的任何研究都是重要的描述。据预测,BNNS的正确厚度应为0.106 nm,有效杨氏模量应为2.75 TPa。可以预料的是,这项研究的结果将为BNNS的真实机械性能提供有价值的见解,从而有助于设计和开发基于BN的高效NEMS设备,纳米传感器和纳米复合材料。

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