Direct/Dual electronic thermal conductivity on graphene: Gate-potential and ripples
Physica B: Condensed Matter(2020)
摘要
A functional relationship allows to connect the thermodynamic properties between the Direct and Dual bands of a graphene sheet. For low temperature, analytical expressions for internal energy, heat capacity and entropy are obtained when a positive gate potential is considered. Through a numerical study, it is shown that thermal conductivity decreases in both branches when the gate potential is applied, whereas ripples increase electronic thermal conductivity.
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关键词
Graphene,Massless fermions,Negative temperature,Fractal dimensions,Dual systems,Ripples
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