Creation of Two-Dimensional High Temperature Superconductivity Under the Influence of an Electric Field

V. L. Bodneva; Боднева В. Л.; M. A. Kozhushner; Кожушнер М. А.; B. V. Lidskii; Лидский Б. В.; V. S.  Posvyanskii; Посвянский В. С.; L. I. Trakhtenberg; Трахтенберг Л. И.

doi:10.31857/S0207401X2307004X

Creation of Two-Dimensional High Temperature Superconductivity Under the Influence of an Electric Field

Authors: Bodneva V.L.¹, Kozhushner M.A.¹, Lidskii B.V.¹, Posvyanskii V.S.¹, Trakhtenberg L.I.¹^,2
Affiliations:
1. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
2. Moscow State University
Issue: Vol 42, No 7 (2023)
Pages: 3-9
Section: XXXIV СИМПОЗИУМ “СОВРЕМЕННАЯ ХИМИЧЕСКАЯ ФИЗИКА” (СЕНТЯБРЬ 2022 г., ТУАПСЕ)
URL: https://journal-vniispk.ru/0207-401X/article/view/139923
DOI: https://doi.org/10.31857/S0207401X2307004X
EDN: https://elibrary.ru/YAYSGJ
ID: 139923

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Abstract

This study discusses the conditions for the occurrence of two-dimensional superconductivity under the action of an electric field on an La2 – xSrxCuO4 plate at a temperature lower than the maximum temperature of the superconducting transition, but when the concentration of charge carriers falls outside the superconductivity range. The study is carried out for a lanthanum-strontium cuprate plate at various hole concentrations, as well as temperature, and potential differences. A quasi-two-dimensional superconducting layer arises near the surface of the plate. The thickness of the superconducting layer is several angstroms and independent of the field strength in the range investigated. The thickness depends only on the concentration of holes and temperature. In addition, the distance of the superconducting layer from the edge of the plate is found to be a function of all three factors. The conditions used for conducting the experiment are also formulated.

Keywords

La2–xSrxCuO4, two-dimensional superconductivity, electric field, cuprate, hole concentration

References

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