Abstract
Charge Confinement Electron motion inside nanostructures is strongly influenced by the presence of surfaces. In article number 2107403, Petr Kužel and co-workers apply time-resolved near-field and far-field terahertz spectroscopy and quantum-mechanical calculations to study the conductivity in an array of aligned high-quality GaAs nanobars. The study reveals that electrons are submitted to additional forces (band bending) close to the nanobar surfaces, which greatly enhance confinement of electrons at the picosecond timescale.
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