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EFFECT OF HIGH-PRESSURE ANNEALING ON MICROSTRUCTURAL TRANSFORMATION OF NANOTUBES

ZHANG MING HE DUAN-WEI XU YING-FAN WANG WEN-KUI LIANG JI WEI BING-QING WU DE-HAI

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EFFECT OF HIGH-PRESSURE ANNEALING ON MICROSTRUCTURAL TRANSFORMATION OF NANOTUBES

ZHANG MING, HE DUAN-WEI, XU YING-FAN, WANG WEN-KUI, LIANG JI, WEI BING-QING, WU DE-HAI
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  • The microstructural transformations of carbon nanotubes under high-pressure annealing have been studied by high resolution transmission electron microscopy. It is found that under 5.5GPa the microstructure of nanotubes has obviously changed at an annealing temperature of 770℃, while onion-like and ribbon-like structures formed at 950℃. The transformation from carbon nanotubes into quasi-spherical onion occurs in several steps, first the shells of nanotubes collapse, then spheres form and finally onion-like structures appear. The effects of high pressure and annealing temperature on microstructural changes are discussed.
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  • Abstract views:  6014
  • PDF Downloads:  630
  • Cited By: 0
Publishing process
  • Received Date:  07 July 1997
  • Accepted Date:  06 August 1997
  • Published Online:  05 January 1998

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