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- W2217969950 abstract "摘要 利用外加电场的方法，对多壁碳纳米管的结构稳定性进行了研究.结果表明当场强达到30 V/nm时，碳纳米管端部的结构失稳，端部碳原子间的π键被打开，外部原子开始进入到碳纳米管的结构中.利用电子显微镜作为纳米加工仪器，通过外加电场的方法在多壁碳纳米管的端部制备了非晶态碳纳米线，形成碳纳米管-纳米线复合结构.碳纳米管和纳米线结合处的σ键作为绝缘界面，形成了电子输运的势垒. 关键词: 碳纳米管 / 纳米线 / 结构稳定性 / 原位生长 Abstract Structure stability of multi-walled carbon nanotube under applied electric field has been investigated. The results show that anti-bonding between carbon atoms at the tip of nanotube resulting from the local field strength of ～30V/nm leads to structure instability. Using the electron microscope as the nanolaboratory, we have prepared amorphous carbon nanowires on the tip by incorporation of foreign hydrocarbon under the applied electric field, resulting in the nanotube/nanowire structure. Electric measurement indicates that the nanotube/nanowire structure has rectifying characteristics. Consequently, the applied electric field may have potential applications in structure decoration and device fabrication of carbon nanotubes. Keywords: carbon nanotube / nanowire / structure stability / in situ growth 作者及机构信息 夏明霞2, 颜 宁2, 李红星2, 宁乃东2, 蔺西伟1, 谢 中3 (1)Intel Corporation M/S RA3-402,2501 NW 229th Av. Hillsboro,Oregon 97124,USA; (2)湖南大学微纳技术研究中心，长沙 410082; (3)湖南大学应用物理系，长沙 410082 基金项目: 国家自然科学基金(批准号：60571044)资助的课题. Authors and contacts Xia Ming-Xia2, Yan Ning2, Li Hong-Xing2, Ning Nai-Dong2, Lin Xi-Wei1, Xie Zhong3 (1)Intel Corporation M/S RA3-402,2501 NW 229th Av. Hillsboro,Oregon 97124,USA; (2)湖南大学微纳技术研究中心，长沙 410082; (3)湖南大学应用物理系，长沙 410082 参考文献 施引文献" @default.
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- W2217969950 date "2007-01-01" @default.
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- W2217969950 title "Study of structure stability and decoration of carbon nanotube under applied electric field" @default.
- W2217969950 doi "https://doi.org/10.7498/aps.56.113" @default.
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