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Abstract: The electron distribution of open-ended single-walled carbon nanotubes withchirality indexes 7,0 and 5,5 in the field emission conditions wascalculated via a multi-scaled algorithm. The field emission images wereproduced numerically. It was found that the emission patterns change with theapplied macroscopic field. Especially, the symmetry of the emission pattern ofthe 7,0 carbon nanotube is breaking in the lower field but the breaking isless obvious in the higher field. The enlargement factor increases with theapplied macroscopic field.



Author: Weiliang Wang, Ningsheng Xu, Zhibing Li

Source: https://arxiv.org/



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