Speaker
Yigang Wang
(Institute of High Energy Physics, Chinese Academy of Sciences)
Description
This article introduces a simple method for obtaining low secondary electron yield carbon films. Based on the principle of thermal evaporation coating, a current is passed through a filament to heat it up, causing carbon atoms to evaporate from the filament itself and deposit onto the inner wall of a tube. Carbon nanotubes serve both as the evaporation source and the evaporation material; by electrically heating the carbon nanotubes, carbon atoms are evaporated from them. Due to their excellent mechanical properties, carbon nanotubes do not break even at high temperatures, making this method feasible.
Funding Agency
National Natural Science Foundation of China（No. 12505183 and No.12505184)
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Authors
Yigang Wang
(Institute of High Energy Physics, Chinese Academy of Sciences)
Bangle Zhu
(Institute of High Energy Physics, Chinese Academy of Sciences)
Pengcheng Wang
(University of Science and Technology of China)
Mr
Shunming Liu
(Institute of High Energy Physics, Chinese Academy of Sciences)
Jiaming Liu
(Institute of High Energy Physics, Chinese Academy of Sciences)
biao tan
(Institute of High Energy Physics, Chinese Academy of Sciences)
xiaoyang Sun
(Institute of High Energy Physics, Chinese Academy of Sciences)