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Samuely, T., Wickramaratne, D., Gmitra, M., Jaouen, T., Šofranko, O., Volavka, D., Kuzmiak, M., Haniš, J., Szabó, P., Monney, C., Kremer, G., Le Fèvre, P., Bertran, F., Cren, T., Sasaki, S., Cario, L., Calandra, M., Mazin, I. I. & Samuely, P. (2023) Protection of Ising spin-orbit coupling in bulk misfit superconductors. Phys. Rev. B, 108 L220501. 
Added by: Richard Baschera (2024-02-19 15:33:22)   Last edited by: Richard Baschera (2024-02-19 15:46:46)
Type de référence: Article
DOI: 10.1103/PhysRevB.108.L220501
Clé BibTeX: Samuely2023
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Créateurs: Bertran, Calandra, Cario, Cren, Gmitra, Haniš, Jaouen, Kremer, Kuzmiak, Le Fèvre, Mazin, Monney, Samuely, Samuely, Sasaki, Šofranko, Szabó, Volavka, Wickramaratne
Collection: Phys. Rev. B
Consultations : 1/15
Indice de consultation : 5%
Indice de popularité : 1.25%
Liens URLs     https://link.aps.o ... ysRevB.108.L220501
Ising superconductivity is present due to the combined effect of broken-inversion symmetry and spin-orbit coupling that locks the spins out of plane, features that are associated with two-dimensional materials. We show that bulk misfit superconductors, (LaSe)1.14(NbSe2) and (LaSe)1.14(NbSe2)2, comprising monolayers and bilayers of NbSe2, exhibit unexpectedly strong Ising protection with a Pauli-limit violation comparable to monolayer NbSe2. We establish these misfit compounds as Ising superconductors using complementary experimental methods in combination with first-principles calculations. A concerted effect of charge-transfer, defects, reduction of interlayer hopping, and stacking enables Ising superconductivity in these compounds and therefore provides a possible pathway to design of bulk superconductors that are resilient to magnetic fields.
Publisher: American Physical Society
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