Electrical control of hybrid exciton transport in a van der Waals heterostructure epfl_en NaturePhotonics
). We also characterized the field-tunable regime of anomalous diffusion by spatiotemporally resolved measurements. Our study revealed a peak effective diffusivity of ~10 cmThe main factors affecting the efficiency of future interconnects and circuits based on exciton transport in van der Waals heterostructures are determined by the material absorption, the exciton mobility and the emission quantum yield.
. All of the heterostructures were annealed under a high vacuum for 6 h at a temperature of 340 °C. Top gates and electrical contacts were then fabricated by electron-beam lithography and evaporation of Pt and Ti/Au layers, respectively.All optical measurements were performed in a vacuum at 4.6 K, unless stated otherwise, in a He-flow cryostat.
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