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<p>Twin graphene, a novel two-dimensional (2D) semiconducting carbon allotrope, is theorized to exist and may have numerous potential applications due to its superior electronic and mechanical properties. In this study, we propose a new stable nanotube by rolling up twin graphene sheets, referred to as a twin graphene nanotube (TGNT). Molecular dynamics (MD) simulations were performed to investigate the mechanical properties of TGNT under uniaxial tensile loading. It was found that the Young’s modulus and failure behavior of TGNTs depend strongly on their intrinsic structure. The Young’s modulus decreased with increasing TGNT diameter. The effects of the strain rate, nanotube length, and temperature on the Young’s modulus were investigated in detail. These findings provide a fundamental understanding of the mechanical properties of TGNT.</p>

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Mechanical properties of twin graphene nanotube

  • 期刊论文

  • 发表日期：

    2025年5月13日

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  • Jianxin Li,
  • Hongwei Zhang,
  • Tienchong Chang

摘要

Twin graphene, a novel two-dimensional (2D) semiconducting carbon allotrope, is theorized to exist and may have numerous potential applications due to its superior electronic and mechanical properties. In this study, we propose a new stable nanotube by rolling up twin graphene sheets, referred to as a twin graphene nanotube (TGNT). Molecular dynamics (MD) simulations were performed to investigate the mechanical properties of TGNT under uniaxial tensile loading. It was found that the Young’s modulus and failure behavior of TGNTs depend strongly on their intrinsic structure. The Young’s modulus decreased with increasing TGNT diameter. The effects of the strain rate, nanotube length, and temperature on the Young’s modulus were investigated in detail. These findings provide a fundamental understanding of the mechanical properties of TGNT.