Thermionic emission from monolayer graphene, sheath formation and its feasibility towards thermionic converters
作者： Shikha Misra , M. Upadhyay Kahaly , S. K. Mishra
DOI: 10.1063/1.4975788
关键词:
摘要: A formalism describing the thermionic emission from a single layer graphene sheet operating at finite temperature and consequent formation of sheath in its proximity has been established. The formulation takes account two dimensional densities state configuration, Fermi-Dirac (f-d) statistics electron energy distribution, Fowler's treatment emission, Poisson's equation. current estimates based on present analysis is found to be reasonably good agreement with experimental observations (Zhu et al., Nano Res. 07, 1 (2014)). further simplified for case where f-d an distribution converges Maxwellian distribution. By using this formulation, steady features, viz., spatial dependence surface potential density structure are derived illustrated graphically parameters; see...
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