Contact: Prof. Dr. Madhavi Krishnan
University of Zurich
Caption: This is a cross-section through two chip-sized glass plates in which a nano particle is trapped in an energy hole (or “potential well” to use the scientific term). The colored fields show the different charges in the electrostatic field. The red zone signifies a very low charge, while the blue edges have a strong charge.
Credit: Picture: University of Zurich
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