期刊
PHYSICS LETTERS A
卷 379, 期 37, 页码 2245-2251出版社
ELSEVIER
DOI: 10.1016/j.physleta.2015.06.063
关键词
Few-layer graphene; Graphene nanosheets; Electron mobility; Electrical conductivity
资金
- State Key Program of National Natural Science of China [51132002]
- Natural Science Foundation of Hebei Province, China [A2015203261]
We established a calculation model of the conductivity of multilayer graphene based on Boltzmann transport equation and 2D electron gas theory. Numerical simulations show that the conductivities of few-layer graphene and graphene nanosheets are reduced when thickness is increased. The reduction rate decreases for micron-range thicknesses and remains constant thereafter. Moreover, the conductivity increases with the increase in temperature, in which the increase rate declines as temperature increases. Higher thickness exhibits a more obvious temperature effect on conductivity. Such effect also increases with the increase in temperature. (C) 2015 Elsevier B.V. All rights reserved.
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