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Hot electrons, cold lattice: What slows current in twisted graphene?

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Terahertz-Driven Hot Electron Transport in Twisted Bilayer Graphene Artist’s illustration of two graphene sheets rotated relative to one another, creating a moiré pattern. An incident terahertz radiation (red wave) deposits energy into the electronic system, producing a population of hot electrons (orange), depicted with short, irregular trajectories. Farther from the illuminated region, cooler electrons (blue) …

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Prof. Brabec on “AMANDA – a Material Acceleration Platform for Photovoltaics”

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ABSTRACT: The development of complex functional solar materials poses a multi-objective optimization problem in a large multi-dimensional parameter space. Solving it requires reproducible, user-independent laboratory work and intelligent preselection of experiments. However, experimental materials science is a field where manual routines are still predominant, although other domains like pharmacy or chemistry have introduced robotics and …

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