Spin excitations and the Fermi surface of superconducting FeS

Condensed Matter Physics: nematic order does not exist in FeS Low energy spin excitations show no sign of nematic order existing in FeS, a structure-similar material of FeSe, without direct coupling to superconductivity. An international team led by Pengcheng Dai at the Rice University and Beijing N...

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Autores principales:	Haoran Man, Jiangang Guo, Rui Zhang, Rico Schönemann, Zhiping Yin, Mingxuan Fu, Matthew B. Stone, Qingzhen Huang, Yu Song, Weiyi Wang, David J. Singh, Felix Lochner, Tilmann Hickel, Ilya Eremin, Leland Harriger, Jeffrey W. Lynn, Collin Broholm, Luis Balicas, Qimiao Si, Pengcheng Dai
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/882da056f8694c939542ac0ae59d7b14
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spelling	oai:doaj.org-article:882da056f8694c939542ac0ae59d7b142021-12-02T14:18:31ZSpin excitations and the Fermi surface of superconducting FeS10.1038/s41535-017-0019-62397-4648https://doaj.org/article/882da056f8694c939542ac0ae59d7b142017-03-01T00:00:00Zhttps://doi.org/10.1038/s41535-017-0019-6https://doaj.org/toc/2397-4648Condensed Matter Physics: nematic order does not exist in FeS Low energy spin excitations show no sign of nematic order existing in FeS, a structure-similar material of FeSe, without direct coupling to superconductivity. An international team led by Pengcheng Dai at the Rice University and Beijing Normal University carried out transport, neutron scattering, quantum oscillation measurements combined with theoretical calculations to study single crystals of FeS. They found that the spin excitations below 100 meV reveal only stripe-type spin fluctuations without direct coupling to superconductivity, suggesting FeS being a tetragonal paramagnet without nematic order and with a reduced quasiparticle mass compared to that of FeSe. These results not only suggest that FeS is a weakly correlated analog of FeSe, but also shed a light to understand the nematic order in FeSe, which is due to the competing spin fluctuations driven by frustrated magnetic interactions.Haoran ManJiangang GuoRui ZhangRico SchönemannZhiping YinMingxuan FuMatthew B. StoneQingzhen HuangYu SongWeiyi WangDavid J. SinghFelix LochnerTilmann HickelIlya EreminLeland HarrigerJeffrey W. LynnCollin BroholmLuis BalicasQimiao SiPengcheng DaiNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 2, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 Haoran Man Jiangang Guo Rui Zhang Rico Schönemann Zhiping Yin Mingxuan Fu Matthew B. Stone Qingzhen Huang Yu Song Weiyi Wang David J. Singh Felix Lochner Tilmann Hickel Ilya Eremin Leland Harriger Jeffrey W. Lynn Collin Broholm Luis Balicas Qimiao Si Pengcheng Dai Spin excitations and the Fermi surface of superconducting FeS
description	Condensed Matter Physics: nematic order does not exist in FeS Low energy spin excitations show no sign of nematic order existing in FeS, a structure-similar material of FeSe, without direct coupling to superconductivity. An international team led by Pengcheng Dai at the Rice University and Beijing Normal University carried out transport, neutron scattering, quantum oscillation measurements combined with theoretical calculations to study single crystals of FeS. They found that the spin excitations below 100 meV reveal only stripe-type spin fluctuations without direct coupling to superconductivity, suggesting FeS being a tetragonal paramagnet without nematic order and with a reduced quasiparticle mass compared to that of FeSe. These results not only suggest that FeS is a weakly correlated analog of FeSe, but also shed a light to understand the nematic order in FeSe, which is due to the competing spin fluctuations driven by frustrated magnetic interactions.
format	article
author	Haoran Man Jiangang Guo Rui Zhang Rico Schönemann Zhiping Yin Mingxuan Fu Matthew B. Stone Qingzhen Huang Yu Song Weiyi Wang David J. Singh Felix Lochner Tilmann Hickel Ilya Eremin Leland Harriger Jeffrey W. Lynn Collin Broholm Luis Balicas Qimiao Si Pengcheng Dai
author_facet	Haoran Man Jiangang Guo Rui Zhang Rico Schönemann Zhiping Yin Mingxuan Fu Matthew B. Stone Qingzhen Huang Yu Song Weiyi Wang David J. Singh Felix Lochner Tilmann Hickel Ilya Eremin Leland Harriger Jeffrey W. Lynn Collin Broholm Luis Balicas Qimiao Si Pengcheng Dai
author_sort	Haoran Man
title	Spin excitations and the Fermi surface of superconducting FeS
title_short	Spin excitations and the Fermi surface of superconducting FeS
title_full	Spin excitations and the Fermi surface of superconducting FeS
title_fullStr	Spin excitations and the Fermi surface of superconducting FeS
title_full_unstemmed	Spin excitations and the Fermi surface of superconducting FeS
title_sort	spin excitations and the fermi surface of superconducting fes
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/882da056f8694c939542ac0ae59d7b14
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Spin excitations and the Fermi surface of superconducting FeS

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