Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2012-02-10
Ukr.J.Phys.Opt. v.13, n.1 pp. 45-50 (2012)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
6 pages, 3 figures
Scientific paper
We analyse a model describing hysteretic behaviour of the reflectivity R for the system 'graphene-Pb(ZrxTi1-x)O3 (PZT) ferroelectric substrate-gate' with a gate voltage variation, which takes into account trapping of electrons into the graphene-PZT interface states. We demonstrate that the hysteresis in the R parameter can be observed experimentally for the telecommunication-range radiation (the wavelength {\lambda} = 1.55 {\mu}m) at low gate voltages and, moreover, the phenomenon can be used while creating fast bistable systems for the novel nonvolatile memory devices with on-chip optical interconnection.
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