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在室温和高温下,以不同辐射剂量的H+、N+和Ar+离子辐照多壁碳纳米管和无定形碳纳米线.利用透射电镜和拉曼光谱研究多壁碳纳米管和无定形碳纳米线的结构变化及损伤.以70keV N+离子束辐射多壁碳纳米管在室温下可形成无定形碳纳米线.1000K下70 keV的H+离子束照射导致无定形碳纳米线向金刚石结构转变.离子辐照多壁碳纳米管的有序程度足够高,70keV的N+和Ar+离子能够引起碳从多壁碳纳米管的剥落.离子辐射能够为缺陷的转化提供必需的动力学驱动力.

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