Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe

FeSe is a unique high-[Formula: see text] iron-based superconductor in which nematicity, superconductivity, and magnetism are entangled with each other in the P-T phase diagram. We performed [Formula: see text] Se-nuclear magnetic resonance measurements under pressures of up to 3.9 GPa on 12% S-subs...

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Autores principales: Kuwayama, T., Matsuura, K., Gouchi, J., Yamakawa, Y., Mizukami, Y., Kasahara, S., Matsuda, Y., Shibauchi, T., Kontani, H., Uwatoko, Y., Fujiwara, N.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8390510/
https://www.ncbi.nlm.nih.gov/pubmed/34446750
http://dx.doi.org/10.1038/s41598-021-96277-9
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author Kuwayama, T.
Matsuura, K.
Gouchi, J.
Yamakawa, Y.
Mizukami, Y.
Kasahara, S.
Matsuda, Y.
Shibauchi, T.
Kontani, H.
Uwatoko, Y.
Fujiwara, N.
author_facet Kuwayama, T.
Matsuura, K.
Gouchi, J.
Yamakawa, Y.
Mizukami, Y.
Kasahara, S.
Matsuda, Y.
Shibauchi, T.
Kontani, H.
Uwatoko, Y.
Fujiwara, N.
author_sort Kuwayama, T.
collection PubMed
description FeSe is a unique high-[Formula: see text] iron-based superconductor in which nematicity, superconductivity, and magnetism are entangled with each other in the P-T phase diagram. We performed [Formula: see text] Se-nuclear magnetic resonance measurements under pressures of up to 3.9 GPa on 12% S-substituted FeSe, in which the complex overlap between the nematicity and magnetism are resolved. A pressure-induced Lifshitz transition was observed at 1.0 GPa as an anomaly of the density of states and as double superconducting (SC) domes accompanied by different types of antiferromagnetic (AF) fluctuations. The low-[Formula: see text] SC dome below 1 GPa is accompanied by strong AF fluctuations, whereas the high-[Formula: see text] SC dome develops above 1 GPa, where AF fluctuations are fairly weak. These results suggest the importance of the [Formula: see text] orbital and its intra-orbital coupling for the high-[Formula: see text] superconductivity.
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spelling pubmed-83905102021-09-01 Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe Kuwayama, T. Matsuura, K. Gouchi, J. Yamakawa, Y. Mizukami, Y. Kasahara, S. Matsuda, Y. Shibauchi, T. Kontani, H. Uwatoko, Y. Fujiwara, N. Sci Rep Article FeSe is a unique high-[Formula: see text] iron-based superconductor in which nematicity, superconductivity, and magnetism are entangled with each other in the P-T phase diagram. We performed [Formula: see text] Se-nuclear magnetic resonance measurements under pressures of up to 3.9 GPa on 12% S-substituted FeSe, in which the complex overlap between the nematicity and magnetism are resolved. A pressure-induced Lifshitz transition was observed at 1.0 GPa as an anomaly of the density of states and as double superconducting (SC) domes accompanied by different types of antiferromagnetic (AF) fluctuations. The low-[Formula: see text] SC dome below 1 GPa is accompanied by strong AF fluctuations, whereas the high-[Formula: see text] SC dome develops above 1 GPa, where AF fluctuations are fairly weak. These results suggest the importance of the [Formula: see text] orbital and its intra-orbital coupling for the high-[Formula: see text] superconductivity. Nature Publishing Group UK 2021-08-26 /pmc/articles/PMC8390510/ /pubmed/34446750 http://dx.doi.org/10.1038/s41598-021-96277-9 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Kuwayama, T.
Matsuura, K.
Gouchi, J.
Yamakawa, Y.
Mizukami, Y.
Kasahara, S.
Matsuda, Y.
Shibauchi, T.
Kontani, H.
Uwatoko, Y.
Fujiwara, N.
Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe
title Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe
title_full Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe
title_fullStr Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe
title_full_unstemmed Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe
title_short Pressure-induced reconstitution of Fermi surfaces and spin fluctuations in S-substituted FeSe
title_sort pressure-induced reconstitution of fermi surfaces and spin fluctuations in s-substituted fese
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8390510/
https://www.ncbi.nlm.nih.gov/pubmed/34446750
http://dx.doi.org/10.1038/s41598-021-96277-9
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