...最小角,称0为手性角,碳 纳米管的手性角0的表达式为 嘶倒g熹 当m=Il时,0=-300,此时的碳纳米管为扶手型碳纳米管(Armchair),当m=0或n--0 黑龙江大学硕士学位论文时,唧o,此时碳纳米管为锯齿型碳纳米管(Zigzag),当m、n为其他值时,00<1 0 I<30。
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结果表明扶手型碳纳米管环的能谱结构与环的直径有关。
The results show that ATCNTs' energy band structure is relation to torus diameter.
在小的轴向拉伸下,扶手椅型碳纳米管仍然是良好的导体,但其费米波矢、费米点及费米面处的有效质量都发生了变化。
It is found that under little axial strain, armchair carbon nanotubes are still conductors, but Fermi wave vector, Fermi dot and the effective mass near Fermi face are changed.
在讨论了碳纳米管的几何结构的基础上,对齿型和椅型碳纳米管的对称性进行了分析并将这些对称元进行了抽象和总结。
The geometric structure of carbon nanotubes (CNTs) is introduced, the symmetry of zigzag and armchair CNTs is analyzed and these symmetry elements are abstracted and summarized.
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