Vertex dominated superconductivity in intercalated FeSe

Abstract Bulk FeSe becomes superconducting below 9 K, but the critical temperature (T c ) is enhanced almost universally by a factor of ~4–5 when it is intercalated with alkali elements. How intercalation modifies the structure is known from in-situ X-ray and neutron scattering techniques, but why T...

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Bibliographic Details
Main Authors: Swagata Acharya, Mikhail I. Katsnelson, Mark van Schilfgaarde
Format: Article
Language:English
Published: Nature Portfolio 2023-05-01
Series:npj Quantum Materials
Online Access:https://doi.org/10.1038/s41535-023-00556-9