Iron pnictides and chalcogenides: a new paradigm for superconductivity

Fernandes, Rafael M.; Coldea, Amalia I.; Ding, Hong; Fisher, Ian R.; Hirschfeld, P. J.; Kotliar, Gabriel

doi:10.1038/s41586-021-04073-2

Title: Iron pnictides and chalcogenides: a new paradigm for superconductivity

Journal Article · 05 January 2022 · Nature (London)

DOI: https://doi.org/10.1038/s41586-021-04073-2 · OSTI ID:1961321

^[1];

^[2];

^[3];

^[4]; Hirschfeld, P. J. ^[5]; Kotliar, Gabriel ^[6]

Univ. of Minnesota, Minneapolis, MN (United States); University of Minnesota
Univ. of Oxford (United Kingdom)
Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China)
Stanford Univ., CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Univ. of Florida, Gainesville, FL (United States)
Rutgers Univ., Piscataway, NJ (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)

Superconductivity is a remarkably widespread phenomenon observed in most metals cooled down to very low temperatures. The ubiquity of such conventional superconductors, and the wide range of associated critical temperatures, is readily understood in terms of the celebrated Bardeen Cooper-Schrieffer (BCS) theory. Occasionally, however, unconventional superconductors are found, such as the iron-based materials, which extend and defy this understanding in new and unexpected ways. In the case of the iron-based superconductors, this includes a new appreciation of the ways in which the presence of multiple atomic orbitals can manifest in unconventional superconductivity, giving rise to a rich landscape of gap structures that share the same dominant pairing mechanism. Besides superconductivity, these materials have also led to new insights into the unusual metallic state governed by the Hund’s interaction, the control and mechanisms of electronic nematicity, the impact of magnetic fluctuations and quantum criticality, and the significance of topology in correlated states. Furthermore, over the thirteen years since their discovery, they have proven to be an incredibly fruitful testing ground for the development of new experimental tools and theoretical approaches, both of which have extensively influenced the wider field of quantum materials.

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Research Organization:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Science Foundation (NSF); National Natural Science Foundation of China; Strategic Priority Research Program of the Chinese Academy of Sciences; Beijing Municipal Science and Technology Commission

Grant/Contract Number:: SC0020045; AC02-76SF00515; FG02-05ER46236

OSTI ID:: 1961321

Journal Information:: Nature (London), Journal Name: Nature (London) Journal Issue: 7891 Vol. 601; ISSN 0028-0836

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Scaling between Magnetic and Lattice Fluctuations in Iron Pnictide Superconductors Fernandes, Rafael M.; Böhmer, Anna E.; Meingast, Christoph Physical Review Letters, Vol. 111, Issue 13 https://doi.org/10.1103/PhysRevLett.111.137001	journal	September 2013
Singularity of the London Penetration Depth at Quantum Critical Points in Superconductors Chowdhury, Debanjan; Swingle, Brian; Berg, Erez Physical Review Letters, Vol. 111, Issue 15 https://doi.org/10.1103/PhysRevLett.111.157004	journal	October 2013
Observation of Incipient Charge Nematicity in Ba ( Fe 1 − X Co X ) 2 As 2 Gallais, Y.; Fernandes, R. M.; Paul, I. Physical Review Letters, Vol. 111, Issue 26 https://doi.org/10.1103/PhysRevLett.111.267001	journal	December 2013
Nematic Susceptibility of Hole-Doped and Electron-Doped Ba F e 2 As 2 Iron-Based Superconductors from Shear Modulus Measurements Böhmer, A. E.; Burger, P.; Hardy, F. Physical Review Letters, Vol. 112, Issue 4 https://doi.org/10.1103/PhysRevLett.112.047001	journal	January 2014
Selective Mott Physics as a Key to Iron Superconductors de’ Medici, Luca; Giovannetti, Gianluca; Capone, Massimo Physical Review Letters, Vol. 112, Issue 17 https://doi.org/10.1103/PhysRevLett.112.177001	journal	April 2014
Enhancement of Magnetic Stripe Order in Iron-Pnictide Superconductors from the Interaction between Conduction Electrons and Magnetic Impurities Gastiasoro, Maria N.; Andersen, Brian M. Physical Review Letters, Vol. 113, Issue 6 https://doi.org/10.1103/PhysRevLett.113.067002	journal	August 2014
Origin of the Resistive Anisotropy in the Electronic Nematic Phase of BaFe 2 As 2 Revealed by Optical Spectroscopy Mirri, C.; Dusza, A.; Bastelberger, S. Physical Review Letters, Vol. 115, Issue 10 https://doi.org/10.1103/PhysRevLett.115.107001	journal	September 2015
Dynamical Mean-Field Theory Plus Numerical Renormalization-Group Study of Spin-Orbital Separation in a Three-Band Hund Metal Stadler, K. M.; Yin, Z. P.; von Delft, J. Physical Review Letters, Vol. 115, Issue 13 https://doi.org/10.1103/PhysRevLett.115.136401	journal	September 2015
Nematic Resonance in the Raman Response of Iron-Based Superconductors Gallais, Yann; Paul, Indranil; Chauvière, Ludivine Physical Review Letters, Vol. 116, Issue 1 https://doi.org/10.1103/PhysRevLett.116.017001	journal	January 2016
Hund Interaction, Spin-Orbit Coupling, and the Mechanism of Superconductivity in Strongly Hole-Doped Iron Pnictides Vafek, Oskar; Chubukov, Andrey V. Physical Review Letters, Vol. 118, Issue 8 https://doi.org/10.1103/PhysRevLett.118.087003	journal	February 2017
Lattice Effects on Nematic Quantum Criticality in Metals Paul, I.; Garst, M. Physical Review Letters, Vol. 118, Issue 22 https://doi.org/10.1103/PhysRevLett.118.227601	journal	June 2017
Pairing Mechanism in Hund’s Metal Superconductors and the Universality of the Superconducting Gap to Critical Temperature Ratio Lee, Tsung-Han; Chubukov, Andrey; Miao, Hu Physical Review Letters, Vol. 121, Issue 18 https://doi.org/10.1103/PhysRevLett.121.187003	journal	November 2018
Helical Hinge Majorana Modes in Iron-Based Superconductors Zhang, Rui-Xing; Cole, William S.; Das Sarma, S. Physical Review Letters, Vol. 122, Issue 18 https://doi.org/10.1103/PhysRevLett.122.187001	journal	May 2019
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Evidence for Majorana bound states in an iron-based superconductor Wang, Dongfei; Kong, Lingyuan; Fan, Peng Science, Vol. 362, Issue 6412 https://doi.org/10.1126/science.aao1797	journal	August 2018
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Strong Correlations from Hund’s Coupling Georges, Antoine; Medici, Luca de'; Mravlje, Jernej Annual Review of Condensed Matter Physics, Vol. 4, Issue 1 https://doi.org/10.1146/annurev-conmatphys-020911-125045	journal	April 2013
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A Quantum Critical Point Lying Beneath the Superconducting Dome in Iron Pnictides Shibauchi, T.; Carrington, A.; Matsuda, Y. Annual Review of Condensed Matter Physics, Vol. 5, Issue 1 https://doi.org/10.1146/annurev-conmatphys-031113-133921	journal	March 2014
Intertwined Vestigial Order in Quantum Materials: Nematicity and Beyond Fernandes, Rafael M.; Orth, Peter P.; Schmalian, Jörg Annual Review of Condensed Matter Physics, Vol. 10, Issue 1 https://doi.org/10.1146/annurev-conmatphys-031218-013200	journal	March 2019
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Electronic Nematic States Tuned by Isoelectronic Substitution in Bulk FeSe1−xSx Coldea, Amalia I. Frontiers in Physics, Vol. 8 https://doi.org/10.3389/fphy.2020.594500	journal	March 2021
On the Remarkable Superconductivity of FeSe and Its Close Cousins Kreisel, Andreas; Hirschfeld, Peter J.; Andersen, Brian M. Symmetry, Vol. 12, Issue 9 https://doi.org/10.3390/sym12091402	journal	August 2020
Emergent vortex Majorana zero mode in iron-based superconductors Kong, Ling-Yuan; Ding, Hong Acta Physica Sinica, Vol. 69, Issue 11 https://doi.org/10.7498/aps.69.20200717	journal	January 2020
Superconductivity in Ca _{1- x} La _x FeAs ₂ : A Novel 112-Type Iron Pnictide with Arsenic Zigzag Bonds Katayama, Naoyuki; Kudo, Kazutaka; Onari, Seiichiro Journal of the Physical Society of Japan, Vol. 82, Issue 12 https://doi.org/10.7566/JPSJ.82.123702	journal	December 2013
Ab initio Studies of Magnetism in the Iron Chalcogenides FeTe and FeSe Hirayama, Motoaki; Misawa, Takahiro; Miyake, Takashi Journal of the Physical Society of Japan, Vol. 84, Issue 9 https://doi.org/10.7566/JPSJ.84.093703	journal	September 2015
Exotic Superconducting States in FeSe-based Materials Shibauchi, Takasada; Hanaguri, Tetsuo; Matsuda, Yuji Journal of the Physical Society of Japan, Vol. 89, Issue 10 https://doi.org/10.7566/JPSJ.89.102002	journal	October 2020

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