Abstract
The new concept of metatronics is merging with graphene metamaterials. Our approach to “graphene metamaterials” includes “metamaterial treatment” of beams of electrons (BE) (see also electron density lenses) with a wide range of control of wave characteristics; means of influencing the BE characteristics in dielectric-graphene (DG) and carbon nano-tube-graphene-dielectric structures through the electron waves; and, finally, using advantages of effectively controllable BE as such, for creation of “solid-state graphene metamaterial electron optics (GMEO)”. GMEO can involve applications of such elements as “positive-negative phase” waveguides, lenses, diffraction gratings etc. and such electron devices as spin filters, electron collimators, modulators, beam splitters etc.
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