| STM碳纳米管针尖的研究 |
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| 引用本文： | 薛增泉,侯士敏,孙建平,杜民,张浩,张兆祥,赵兴钰,刘惟敏,张耿民,吴锦雷,彭练矛,吴全德,施祖进,顾镇南. STM碳纳米管针尖的研究[J]. 电子显微学报, 2001, 20(5): 555-560 |
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| 作者姓名： | 薛增泉 侯士敏 孙建平 杜民 张浩 张兆祥 赵兴钰 刘惟敏 张耿民 吴锦雷 彭练矛 吴全德 施祖进 顾镇南 |
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| 作者单位： | 1. 北京大学电子学系,
2. 北京大学化学与分子工程学院, |
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| 基金项目： | 国家自然科学基金，教育部博士点基金资助项目~~ |
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| 摘 要： | 合成和提纯了单壁碳纳米管（SWCNTs)。使用水溶胶体，SWCNTs被组装在钨（W）针尖上，它可以用作扫描隧道显微镜（STM）的针尖，得到高定向石墨（HOPG）和金（Au)膜表面的原子分辨像，用场发射显微镜（FEM）研究了SWCNTs的场发射特性，得到了原子分辨的场发射图，与计算的（9，9）扶手椅型的SWCNT结构相一致，研究了SWCNTs的电学特性，观察到了负阻特性。
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| 关 键 词： | 碳纳米管 扫描隧道显微镜 针尖 场发射显微镜 负阻特性 电学特性 |
| 文章编号： | 1000-6281(2001)05-0555-06 |
Study on carbon nanotube tips for scanning tunneling microscope |
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| XUE Zeng quan,HOU Shi min,SUN Jian ping,DU Min,ZHANG Hao,ZHANG Zhao xiang,ZHAO Xing yu,LIU Wei min,ZHANG Geng min,WU Jin lei,PENG Lian mao,WU Quan de,SHI Zu jin ,GU Zhen nan. Study on carbon nanotube tips for scanning tunneling microscope[J]. Journal of Chinese Electron Microscopy Society, 2001, 20(5): 555-560 |
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| Authors: | XUE Zeng quan HOU Shi min SUN Jian ping DU Min ZHANG Hao ZHANG Zhao xiang ZHAO Xing yu LIU Wei min ZHANG Geng min WU Jin lei PENG Lian mao WU Quan de SHI Zu jin GU Zhen nan |
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| Affiliation: | XUE Zeng quan,HOU Shi min,SUN Jian ping,DU Min,ZHANG Hao,ZHANG Zhao xiang,ZHAO Xing yu,LIU Wei min,ZHANG Geng min,WU Jin lei,PENG Lian mao,WU Quan de,SHI Zu jin *,GU Zhen nan * |
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| Abstract: | Single wall carbon nanotubes (SWCNTs) have been synthesized and purified. Using a water colloid, SWCNTs have been assembled at the end of a tungsten tip that can be used as a scanning tunneling microscope (STM) tip, and atomic resolution images of HOPG and gold film surfaces have been obtained. The field emission properties of SWCNTs have also been studied by field emission microscopy (FEM). A field emission pattern of an SWCNT at atomic resolution was observed, which is consistent with the calculated results of a (9,9) armchair SWCNT. Electron transport properties along SWCNTs were investigated, negative differential conductance was observed. |
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| Keywords: | carbon nanotube scanning tunneling microscope (STM) tip field emission microscope (FEM) negative differential conductivity |
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