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Chinese Journal of High Pressure Physics  > 1998  >  12(1): 17-21 .
ZHANG Ming, HE Duan-Wei, ZHANG Xiang-Yi, XU Ying-Fan, WANG Wen-Kui, LIANG Ji, WEI Bing-Qing, WU De-Hai. Study on Thermal Stability of Nanotubes under High Pressure[J]. Chinese Journal of High Pressure Physics, 1998, 12(1): 17-21 . doi: 10.11858/gywlxb.1998.01.003
Citation: ZHANG Ming, HE Duan-Wei, ZHANG Xiang-Yi, XU Ying-Fan, WANG Wen-Kui, LIANG Ji, WEI Bing-Qing, WU De-Hai. Study on Thermal Stability of Nanotubes under High Pressure[J]. Chinese Journal of High Pressure Physics, 1998, 12(1): 17-21 . doi: 10.11858/gywlxb.1998.01.003
shu

Study on Thermal Stability of Nanotubes under High Pressure

doi: 10.11858/gywlxb.1998.01.003
  • 1.

    Department of Mechanic Engineering, Tsinghua University, Beijing 100083, China;

  • 2.

    Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

More Information
  • Corresponding author: ZHANG Ming
  • Received Date: 14 Jul 1997
  • Rev Recd Date: 15 Sep 1997
  • Publish Date: 05 Mar 1998
    Abstract
  • In this paper, the thermal stability of nanotubes under 5.5 GPa was studied by X-ray diffraction and transmission electron microscopy. According to previous research results, at high vacuum and ambient pressure, the structure of nanotubes will be kept below temperature of 3 000 K. However, in our study, its structure begin to change at only 950 ℃ under 5.5 GPa; and the nanotubes will transform into graphite at 1 150 ℃. High pressure may be contributed to the transformation. High pressure may promote nanotubes transform into graphite, and decrease thermal stability.

     

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