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Prediction of phonon-mediated superconductivity with high critical temperature in the two-dimensional topological semimetal W2N3

Davide Campi1*, Simran Kumari1, Nicola Marzari1*

1 Theory and Simulation of Materials (THEOS), and National Centre for Computational Design and Discovery of Novel Materials (MARVEL), École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland

* Corresponding authors emails: davide.campi@epfl.ch, nicola.marzari@epfl.ch
DOI10.24435/materialscloud:ya-e0 [version v1]

Publication date: Dec 03, 2021

How to cite this record

Davide Campi, Simran Kumari, Nicola Marzari, Prediction of phonon-mediated superconductivity with high critical temperature in the two-dimensional topological semimetal W2N3, Materials Cloud Archive 2021.207 (2021), doi: 10.24435/materialscloud:ya-e0.

Description

Two-dimensional superconductors attract great interest both for their fundamental physics and for their potential applications, especially in the rapidly growing field of quantum computing. In this, we predict a remarkably high superconducting critical temperature of 21 K in the easily exfoliable, topologically nontrivial 2D semimetal W2N3. Furthermore we study how strain and doping can affect its superconducting properties.

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Keywords

2D materials Superconductivity electron-phonon coupling MARVEL/DD3 MaX PRACE SNSF H2020 Marie Curie Fellowship

Version history:

2021.207 (version v1) [This version] Dec 03, 2021 DOI10.24435/materialscloud:ya-e0