Article ID Journal Published Year Pages File Type
7933943 Physica E: Low-dimensional Systems and Nanostructures 2017 4 Pages PDF
Abstract
Acoustoelectric current (jac) in Free-Standing Graphene (FSG) having degenerate energy dispersion at low temperatures T⪡TBG (TBG is the Block-Gruneisen temperature) was studied theoretically. We considered electron interaction with in-plain acoustic phonons in the hypersound regime (sound vibration in the range 109−1012Hz). The obtained expression for jac was numerically analyzed for various temperatures (T) and frequencies (ωq) and graphically presented. The non-linear dependence of jac on ωq varied with temperature. This qualitatively agreed with an experimentally obtained result which deals with temperature dependent acoustoelectric current in graphene [21].
Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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