Strong interplay between stripe spin fluctuations, nematicity and superconductivity in FeSe

Wang, Qisi; Shen, Yao; Pan, Bingying; Hao, Yiqing; Ma, Mingwei; Zhou, Fang; Steffens, P.; Schmalzl, K.; Forrest, T. R.; Abdel-Hafiez, M.; Chen, Xiaojia; Chareev, D. A.; Vasiliev, A. N.; Bourges, P.; Sidis, Y.; Cao, Huibo; Zhao, Jun

doi:10.1038/nmat4492

Strong interplay between stripe spin fluctuations, nematicity and superconductivity in FeSe

Journal Article · Sun Dec 06 23:00:00 EST 2015 · Nature Materials

DOI:https://doi.org/10.1038/nmat4492· OSTI ID:1361297

Wang, Qisi ^[1]; Shen, Yao ^[1]; Pan, Bingying ^[1]; Hao, Yiqing ^[1]; Ma, Mingwei ^[2]; Zhou, Fang ^[2]; Steffens, P. ^[3]; Schmalzl, K. ^[4]; Forrest, T. R. ^[5]; Abdel-Hafiez, M. ^[6]; ^[7]; Chareev, D. A. ^[8]; Vasiliev, A. N. ^[9]; Bourges, P. ^[10]; Sidis, Y. ^[10]; Cao, Huibo ^[11]; ^[12]

Fudan Univ., Shanghai (China). Dept. of Physics. State Key Lab. of Surface Physics
Chinese Academy of Sciences (CAS), Beijing (China). Inst. of Physics. Beijing National Lab. for Condensed Matter Physics
Inst. Laue-Langevin, Grenoble (France)
Julich Research Centre, Grenoble (France). Julich Centre for Neutron Science (JCNS)
European Synchrotron Radiation Facility, Grenoble (France)
Center for High Pressure Science and Technology Advanced Research, Shanghai (China); Fayoum Univ. (Egypt). Physics Dept.
Center for High Pressure Science and Technology Advanced Research, Shanghai (China)
Russian Academy of Sciences (RAS), Chernogolovka (Russian Federation). Inst. of Experimental Mineralogy
Lomonosov Moscow State Univ., Moscow (Russian Federation). Low Temperature Physics and Superconductivity Dept.; Ural Federal Univ., Ekaterinburg (Russian Federation). Theoretical Physics and Applied Mathematics Dept.; National Univ. of Science and Technology (MISiS), Moscow (Russian Federation)
Alternative Energies and Atomic Energy Commission (CEA-Saclay), Gif-sur-Yvette (France). Lab. Leon Brillouin
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Science Division
Fudan Univ., Shanghai (China). Dept. of Physics. State Key Lab. of Surface Physics. Collaborative Innovation Center of Advanced Microstructures

In iron-based superconductors the interactions driving the nematic order (that breaks four-fold rotational symmetry in the iron plane) may also mediate the Cooper pairing. The experimental determination of these interactions, which are believed to depend on the orbital or the spin degrees of freedom, is challenging because nematic order occurs at, or slightly above, the ordering temperature of a stripe magnetic phase. In this paper, we study FeSe—which exhibits a nematic (orthorhombic) phase transition at T_s = 90 K without antiferromagnetic ordering—by neutron scattering, finding substantial stripe spin fluctuations coupled with the nematicity that are enhanced abruptly on cooling through T_s. A sharp spin resonance develops in the superconducting state, whose energy (~4 meV) is consistent with an electron–boson coupling mode revealed by scanning tunnelling spectroscopy. The magnetic spectral weight in FeSe is found to be comparable to that of the iron arsenides. Finally, our results support recent theoretical proposals that both nematicity and superconductivity are driven by spin fluctuations.

View Accepted Manuscript (DOE)

Research Organization:: Fudan Univ., Shanghai (China); National Univ. of Science and Technology (MISiS), Moscow (Russian Federation); Russian Academy of Sciences (RAS), Chernogolovka (Russian Federation); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Natural Science Foundation of China (NSFC) (China); Ministry of Science and Technology (China); Shanghai Pujiang Scholar Program (China); Ministry of Education and Science (Russian Federation); Russian Foundation for Basic Research (Russian Federation)

Contributing Organization:: Chinese Academy of Sciences (CAS), Beijing (China); Inst. Laue-Langevin, Grenoble (France); Julich Research Centre, Grenoble (France); European Synchrotron Radiation Facility, Grenoble (France); Center for High Pressure Science and Technology Advanced Research, Shanghai (China); Fayoum Univ. (Egypt); Alternative Energies and Atomic Energy Commission (CEA-Saclay), Gif-sur-Yvette (France); Ural Federal Univ., Ekaterinburg (Russian Federation); Lomonosov Moscow State Univ., Moscow (Russian Federation)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1361297

Journal Information:: Nature Materials, Journal Name: Nature Materials Journal Issue: 2 Vol. 15; ISSN 1476-1122

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Sign-Reversing Orbital Polarization in the Nematic Phase of FeSe due to the C 2 Symmetry Breaking in the Self-Energy Onari, Seiichiro; Yamakawa, Youichi; Kontani, Hiroshi Physical Review Letters, Vol. 116, Issue 22 https://doi.org/10.1103/physrevlett.116.227001	journal	June 2016
Highly Anisotropic and Twofold Symmetric Superconducting Gap in Nematically Ordered FeSe 0.93 S 0.07 Xu, H. C.; Niu, X. H.; Xu, D. F. Physical Review Letters, Vol. 117, Issue 15 https://doi.org/10.1103/physrevlett.117.157003	journal	October 2016
Antiferromagnetic Order in Epitaxial FeSe Films on SrTiO 3 Zhou, Y.; Miao, L.; Wang, P. Physical Review Letters, Vol. 120, Issue 9 https://doi.org/10.1103/physrevlett.120.097001	journal	February 2018
Neutron Spin Resonance in the 112-Type Iron-Based Superconductor Xie, Tao; Gong, Dongliang; Ghosh, Haranath Physical Review Letters, Vol. 120, Issue 13 https://doi.org/10.1103/physrevlett.120.137001	journal	March 2018
Superconductivity in FeSe: The Role of Nematic Order Kang, Jian; Fernandes, Rafael M.; Chubukov, Andrey Physical Review Letters, Vol. 120, Issue 26 https://doi.org/10.1103/physrevlett.120.267001	journal	June 2018
Odd and Even Modes of Neutron Spin Resonance in the Bilayer Iron-Based Superconductor CaKFe 4 As 4 Xie, Tao; Wei, Yuan; Gong, Dongliang Physical Review Letters, Vol. 120, Issue 26 https://doi.org/10.1103/physrevlett.120.267003	journal	June 2018
Quantum Spin Liquid Intertwining Nematic and Superconducting Order in Fese She, Jian-Huang; Lawler, Michael J.; Kim, Eun-Ah Physical Review Letters, Vol. 121, Issue 23 https://doi.org/10.1103/physrevlett.121.237002	journal	December 2018
Coexistence of Ferromagnetic and Stripe-Type Antiferromagnetic Spin Fluctuations in YFe 2 Ge 2 Wo, Hongliang; Wang, Qisi; Shen, Yao Physical Review Letters, Vol. 122, Issue 21 https://doi.org/10.1103/physrevlett.122.217003	journal	May 2019
Prominent Role of Spin-Orbit Coupling in FeSe Revealed by Inelastic Neutron Scattering Ma, Mingwei; Bourges, Philippe; Sidis, Yvan Physical Review X, Vol. 7, Issue 2 https://doi.org/10.1103/physrevx.7.021025	journal	May 2017
Orbital Origin of Extremely Anisotropic Superconducting Gap in Nematic Phase of FeSe Superconductor Liu, Defa; Li, Cong; Huang, Jianwei Physical Review X, Vol. 8, Issue 3 https://doi.org/10.1103/physrevx.8.031033	journal	August 2018
Solids, liquids, and gases under high pressure Mao, Ho-Kwang; Chen, Xiao-Jia; Ding, Yang Reviews of Modern Physics, Vol. 90, Issue 1 https://doi.org/10.1103/revmodphys.90.015007	journal	March 2018
Femtosecond electron-phonon lock-in by photoemission and x-ray free-electron laser Gerber, S.; Yang, S. -L.; Zhu, D. Science, Vol. 357, Issue 6346 https://doi.org/10.1126/science.aak9946	journal	July 2017
Discovery of orbital-selective Cooper pairing in FeSe Sprau, P. O.; Kostin, A.; Kreisel, A. Science, Vol. 357, Issue 6346 https://doi.org/10.1126/science.aal1575	journal	July 2017
Massless Majorana-Like Charged Carriers in Two-Dimensional Semimetals Grushevskaya, Halina; Krylov, George Symmetry, Vol. 8, Issue 7 https://doi.org/10.3390/sym8070060	journal	July 2016
Magnetic ground state of FeSe Wang, Qisi; Shen, Yao; Pan, Bingying arXiv https://doi.org/10.48550/arxiv.1511.02485	text	January 2015
Unveiling the hidden nematicity and spin subsystem in FeSe Luo, C. W.; Cheng, P. C.; Wang, S. -H. arXiv https://doi.org/10.48550/arxiv.1603.08710	text	January 2016
High Temperature Superconductivity in Iron Pnictides and Chalcogenides Si, Qimiao; Yu, Rong; Abrahams, Elihu arXiv https://doi.org/10.48550/arxiv.1604.03566	text	January 2016
Observation of Ising spin-nematic order and its close relationship to the superconductivity in FeSe single crystals Dongna, Yuan; Jie, Yuan; Yulong, Huang arXiv https://doi.org/10.48550/arxiv.1605.01507	text	January 2016
Structure of spin excitations in heavily electron-doped Li0.8Fe0.2ODFeSe superconductors Pan, Bingying; Shen, Yao; Hu, Die arXiv https://doi.org/10.48550/arxiv.1608.01204	text	January 2016
Interplay of nematic and magnetic orders in FeSe under pressure Scherer, Daniel D.; Jacko, Anthony; Friedrich, Christoph arXiv https://doi.org/10.48550/arxiv.1612.06085	text	January 2016
NMR evidence for static local nematicity and its cooperative interplay with low-energy magnetic fluctuations in FeSe under pressure Wiecki, P.; Nandi, M.; Böhmer, A. E. arXiv https://doi.org/10.48550/arxiv.1711.00936	text	January 2017
Superconductivity in FeSe: the role of nematic order Kang, Jian; Fernandes, Rafael M.; Chubukov, Andrey V. arXiv https://doi.org/10.48550/arxiv.1802.01048	text	January 2018
Neutron spin resonance in the 112-type iron-based superconductor Xie, Tao; Gong, Dongliang; Ghosh, Haranath arXiv https://doi.org/10.48550/arxiv.1803.00779	text	January 2018
Effect of gap anisotropy on the spin resonance peak in the superconducting state of iron-based materials Korshunov, M. M. arXiv https://doi.org/10.48550/arxiv.1803.06736	text	January 2018
Theoretical study of impurity-induced magnetism in FeSe Martiny, Johannes H. J.; Kreisel, Andreas; Andersen, Brian M. arXiv https://doi.org/10.48550/arxiv.1811.01788	text	January 2018
Synergy and competition between superconductivity and antiferromagnetism in FeSe under pressure Chen, Guan-Yu; Wang, Enyu; Zhu, Xiyu arXiv https://doi.org/10.48550/arxiv.1811.11599	text	January 2018
Quantitative characterization of short-range orthorhombic fluctuations in FeSe through pair distribution function analysis Frandsen, Benjamin A.; Wang, Qisi; Wu, Shan arXiv https://doi.org/10.48550/arxiv.1904.06440	text	January 2019
Elementary excitation in the spin-stripe phase in quantum chains Pregelj, M.; Zorko, A.; Gomilšek, M. arXiv https://doi.org/10.48550/arxiv.1905.02079	text	January 2019
Anisotropic spin fluctuations in detwinned FeSe Chen, Tong; Chen, Youzhe; Kreisel, Andreas arXiv https://doi.org/10.48550/arxiv.1905.08399	text	January 2019
Strong Spin Resonance Mode associated with suppression of soft magnetic ordering in Hole-doped Ba1-xNaxFe2As2 Wasser, F.; Park, J. -T.; Aswartham, S. arXiv https://doi.org/10.48550/arxiv.1909.03046	text	January 2019

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