纳米管是一种有着广泛应用前景的纳米材料,作为初步研究,本文采用非平衡分子动力学模拟方法和LJ势函数研究了氩结构纳米管的轴向热导率随着纳米管的温度、厚度和长度的变化,并对结果进行了分析.研究表明:在温度为12～60 K的范围内,纳米管的轴向导热率随着温度的升高先上升,然后很快下降,再比较缓慢下降.氩纳米管的轴向导热率随着壁厚的增加先是基本不变,然后出现一个极大值.本文分析了产生极值的原因.
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