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2002 Volume 11 Issue 8
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Zhang Zhao-Xiang(张兆祥), Zhang Geng-Min(张耿民), Du Min(杜民), Jin Xin-Xi(金新喜), Hou Shi-Min(侯士敏), Sun Jian-Ping(孙建平), Gu Zhen-Nan(顾镇南), Zhao Xing-Yu(赵兴钰), Liu Wei-Min(刘惟敏), Wu Jin-Lei(吴锦雷), Xue Zeng-Quan(薛增泉). 2002: Field-ion microscopy observation of single-walled carbon nanotubes, Chinese Physics B, 11(8): 804-808.
Citation: Zhang Zhao-Xiang(张兆祥), Zhang Geng-Min(张耿民), Du Min(杜民), Jin Xin-Xi(金新喜), Hou Shi-Min(侯士敏), Sun Jian-Ping(孙建平), Gu Zhen-Nan(顾镇南), Zhao Xing-Yu(赵兴钰), Liu Wei-Min(刘惟敏), Wu Jin-Lei(吴锦雷), Xue Zeng-Quan(薛增泉). 2002: Field-ion microscopy observation of single-walled carbon nanotubes, Chinese Physics B, 11(8): 804-808.
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Field-ion microscopy observation of single-walled carbon nanotubes

  • Department of Electronics, Beijing University, Beijing 100871, China

  • College of Chemistry and Molecular Engineering, Beijing University, Beijing 100871, China

  • Available Online: 30/08/2002
  • Fund Project: the National Natural Science Foundation of China(Grant 69890221, 69971003 and 60128101)%theMOST of China(2001CB610503)%the Key Foundation for Science and Technology Research of Education Ministry(00005)
  • Field-ion microscopy (FIM), a tool for surface analysis with atomic resolution, has been employed to observethe end structure of single-walled carbon nanotubes (SWCNTs). FIM images revealed the existence of open SWCNTends. Amorphous carbon atoms were also observed to occur around SWCNTs and traditional field evaporation failedto remove them. Heat treatment was found to be efficacious in altering the end structures of SWCNT bundles. Carbonand oxygen atoms released from heated tungsten filament are believed to be responsible for the decoration imposed onthe SWCNT ends.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Field-ion microscopy observation of single-walled carbon nanotubes

  • Available Online: 30/08/2002

Abstract: Field-ion microscopy (FIM), a tool for surface analysis with atomic resolution, has been employed to observethe end structure of single-walled carbon nanotubes (SWCNTs). FIM images revealed the existence of open SWCNTends. Amorphous carbon atoms were also observed to occur around SWCNTs and traditional field evaporation failedto remove them. Heat treatment was found to be efficacious in altering the end structures of SWCNT bundles. Carbonand oxygen atoms released from heated tungsten filament are believed to be responsible for the decoration imposed onthe SWCNT ends.

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