What is it about?

Many devices using 2D electrons are widely applied in electronic and optical communications. The effectively tunable 2D layer of electrons floating in vacuum over liquid helium have been investigated. This paper examines an implementation of a 2D electrons floating over the atomically thin dielectric suspended above the back gate which are isolated better from an environmental noise.

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Why is it important?

Our findings show that both leakage current through the dielectric film and its polarizability are negligible. In-plane transport of 2D electrons is limited by the flexural phonons or monolayer islands on the film.


There is a potential for an application in modern (opto) electronics and a possibility for the new type of quantum hardware using qubit based on the single trapped electron.

Fedir Vasko Vasko

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This page is a summary of: 2D electrons floating on a suspended atomically thin dielectric, Journal of Applied Physics, May 2021, American Institute of Physics,
DOI: 10.1063/5.0051460.
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