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Erosion of Carbon Nanotube Arrays Induced by Atomic Oxygen Irradiation |
Yuming LIU( ),Man LI,Xiangpeng LIU |
Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China |
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Cite this article:
Yuming LIU,Man LI,Xiangpeng LIU. Erosion of Carbon Nanotube Arrays Induced by Atomic Oxygen Irradiation. Chinese Journal of Materials Research, 2016, 30(10): 795-800.
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Abstract The atomic oxygen (AO) irradiation induced erosion of carbon nanotube (CNT) arrays has been investigated by ground-based atomic oxygen simulation facility. The heights and the surface morphologies of CNT arrays before and after AO irradiation have been characterized by scanning electron microscope (SEM). The results show that CNT arrays can be etched away in AO environment, but the erosion rate of CNT arrays varied with the radiation flux of AO. The morphologies of CNT arrays are also quite different from those before AO irradiation. The erosion of CNT arrays can be attributed to the bombardment effect and the oxidation effect of AO. Finally, a model for describing the process of AO erosion of CNT arrays is proposed.
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Received: 22 November 2015
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Fund: *Supported by Advance Research Foundation of the PLA General Armament Department. |
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