Stewart, G. R. Superconductivity in iron compounds. Rev. Mod. Phys. 83, 1589–1652 (2011).
Dai, P., Hu, J. & Dagotto, E. Magnetism and its microscopic origin in iron-based high-temperature superconductors. Nat. Phys. 8, 709–718 (2012).
Dai, P. Antiferromagnetic order and spin dynamics in iron-based superconductors. Rev. Mod. Phys. 87, 855–896 (2015).
Glasbrenner, J. K. et al. Effect of magnetic frustration on nematicity and superconductivity in iron chalcogenides. Nat. Phys. 11, 953–958 (2015).
Kreisel, A., Hirschfeld, P. J. & Andersen, B. M. On the remarkable superconductivity of FeSe and its close cousins. Symmetry 12, 1402 (2020).
Fernandes, R. M. et al. Iron pnictides and chalcogenides: a new paradigm for superconductivity. Nature 601, 35–44 (2022).
Ma, F., Ji, W., Hu, J., Lu, Z. Y. & Xiang, T. First-principles calculations of the electronic structure of tetragonal α-FeTe and α-FeSe crystals: evidence for a bicollinear antiferromagnetic order. Phys. Rev. Lett. 102, 177003 (2009).
Rodriguez, E. E. et al. Magnetic-crystallographic phase diagram of the superconducting parent compound Fe1+xTe. Phys. Rev. B 84, 064403 (2011).
Ducatman, S., Fernandes, R. M. & Perkins, N. B. Theory of the evolution of magnetic order in Fe1+yTe compounds with increasing interstitial iron. Phys. Rev. B 90, 165123 (2014).
He, Q. L. et al. Two-dimensional superconductivity at the interface of a Bi2Te3/FeTe heterostructure. Nat. Commun. 5, 4247 (2014).
Liang, J. et al. Studies on the origin of the interfacial superconductivity of Sb2Te3/Fe1+yTe heterostructures. Proc. Natl Acad. Sci. 117, 221–227 (2020).
Yi, H. et al. Dirac-fermion-assisted interfacial superconductivity in epitaxial topological-insulator/iron-chalcogenide heterostructures. Nat. Commun. 14, 7119 (2023).
Yi, H. et al. Interface-induced superconductivity in magnetic topological insulators. Science 383, 634–639 (2024).
Yuan, W. et al. Coexistence of superconductivity and antiferromagnetism in topological magnet MnBi2Te4 films. Nano Lett. 24, 7962–7971 (2024).
Yan, Z. J. et al. Meissner effect and nonreciprocal charge transport in non-topological 1T-CrTe2/FeTe heterostructures. Adv. Mater. 38, e20598 (2026).
Kamihara, Y., Watanabe, T., Hirano, M. & Hosono, H. Iron-based layered superconductor La[O1-xFx]FeAs (x = 0.05–0.12) with Tc = 26 K. J. Am. Chem. Soc. 130, 3296–3297 (2008).
Zhang, P. et al. Observation of topological superconductivity on the surface of an iron-based superconductor. Science 360, 182–186 (2018).
Wang, D. et al. Evidence for Majorana bound states in an iron-based superconductor. Science 362, 333–335 (2018).
Wang, Z. et al. Evidence for dispersing 1D Majorana channels in an iron-based superconductor. Science 367, 104–108 (2020).
Zhu, S. et al. Nearly quantized conductance plateau of vortex zero mode in an iron-based superconductor. Science 367, 189–192 (2020).
Hsu, F. C. et al. Superconductivity in the PbO-type structure α-FeSe. Proc. Natl Acad. Sci. 105, 14262–14264 (2008).
Wang, Q. Y. et al. Interface-induced high-temperature superconductivity in single unit-cell FeSe films on SrTiO3. Chin. Phys. Lett. 29, 037402 (2012).
He, S. et al. Phase diagram and electronic indication of high-temperature superconductivity at 65 K in single-layer FeSe films. Nat. Mater. 12, 605–610 (2013).
Tan, S. et al. Interface-induced superconductivity and strain-dependent spin density waves in FeSe/SrTiO3 thin films. Nat. Mater. 12, 634–640 (2013).
Han, Y. et al. Superconductivity in iron telluride thin films under tensile stress. Phys. Rev. Lett. 104, 017003 (2010).
Fang, M. H. et al. Superconductivity close to magnetic instability in Fe(Se1−xTex)0.82. Phys. Rev. B 78, 224503 (2008).
Mizuguchi, Y., Tomioka, F., Tsuda, S., Yamaguchi, T. & Takano, Y. Superconductivity in S-substituted FeTe. Appl. Phys. Lett. 94, 012503 (2009).
Grønvold, F., Haraldsen, H. & Vihovde, J. Phase and structural relations in the system iron tellurium. Acta Chem. Scand. 8, 1927–1942 (1954).
Ward, J. B. & McCann, V. H. On the 57Fe Mossbauer spectra of FeTe and Fe2Te3. J. Phys. C Solid State Phys. 12, 873–879 (1979).
Stock, C., Rodriguez, E. E., Green, M. A., Zavalij, P. & Rodriguez-Rivera, J. A. Interstitial iron tuning of the spin fluctuations in the nonsuperconducting parent phase Fe1+xTe. Phys. Rev. B 84, 045124 (2011).
Zaliznyak, I. A. et al. Continuous magnetic and structural phase transitions in Fe1+yTe. Phys. Rev. B 85, 085105 (2012).
Williams, A. J., McQueen, T. M. & Cava, R. J. The stoichiometry of FeSe. Solid State Commun. 149, 1507–1509 (2009).
Lin, W. et al. Role of chalcogen vapor annealing in inducing bulk superconductivity in Fe1+yTe1−xSex. Phys. Rev. B 91, 060513(R) (2015).
Sun, Y., Shi, Z. & Tamegai, T. Review of annealing effects and superconductivity in Fe1+yTe1−xSex superconductors. Supercond. Sci. Technol. 32, 103001 (2019).
Sharma, S., Li, H., Ren, Z., Castro, W. A. & Zeljkovic, I. Nanoscale visualization of the thermally driven evolution of antiferromagnetic domains in FeTe thin films. Phys. Rev. Mater. 7, 074401 (2023).
Enayat, M. et al. Real-space imaging of the atomic-scale magnetic structure of Fe1+yTe. Science 345, 653–656 (2014).
Caroli, C., De Gennes, P. G. & Matricon, J. Bound Fermion states on a vortex line in a type II superconductor. Phys. Lett. 9, 307–309 (1964).
Chen, M. et al. Discrete energy levels of Caroli-de Gennes-Matricon states in quantum limit in FeTe0.55Se0.45. Nat. Commun. 9, 970 (2018).
Chen, C. et al. Observation of discrete conventional Caroli–de Gennes–Matricon states in the vortex core of single-layer FeSe/SrTiO3. Phys. Rev. Lett. 124, 097001 (2020).
Liu, W. et al. A new Majorana platform in an Fe-As bilayer superconductor. Nat. Commun. 11, 5688 (2020).
Kong, L. et al. Majorana zero modes in impurity-assisted vortex of LiFeAs superconductor. Nat. Commun. 12, 4146 (2021).
Li, M. et al. Ordered and tunable Majorana-zero-mode lattice in naturally strained LiFeAs. Nature 606, 890–895 (2022).
Naaman, O., Teizer, W. & Dynes, R. C. Fluctuation dominated Josephson tunneling with a scanning tunneling microscope. Phys. Rev. Lett. 87, 097004 (2001).
Cho, D., Bastiaans, K. M., Chatzopoulos, D., Gu, G. D. & Allan, M. P. A strongly inhomogeneous superfluid in an iron-based superconductor. Nature 571, 541–545 (2019).
Kirtley, J. R. Fundamental studies of superconductors using scanning magnetic imaging. Rep. Prog. Phys. 73, 126501 (2010).
Luan, L. et al. Local measurement of the penetration depth in the pnictide superconductor Ba(Fe0.95Co0.05)2As2. Phys. Rev. B 81, 100501(R) (2010).
Eschrig, H. & Koepernik, K. Tight-binding models for the iron-based superconductors. Phys. Rev. B 80, 104503 (2009).
Wu, X., Qin, S., Liang, Y., Fan, H. & Hu, J. Topological characters in Fe(Te1−xSex) thin films. Phys. Rev. B 93, 115129 (2016).
Gastiasoro, M. N., Bernardini, F. & Andersen, B. M. Unconventional disorder effects in correlated superconductors. Phys. Rev. Lett. 117, 257002 (2016).
Islam, K. R. & Chubukov, A. Unconventional superconductivity near a nematic instability in a multi-orbital system. npj Quantum Mater. 9, 28 (2024).
Singh, U. R., Aluru, R., Liu, Y., Lin, C. & Wahl, P. Preparation of magnetic tips for spin-polarized scanning tunneling microscopy on Fe1+yTe. Phys. Rev. B 91, 161111(R) (2015).
Hanke, T. et al. Reorientation of the diagonal double-stripe spin structure at Fe1+yTe bulk and thin-film surfaces. Nat. Commun. 8, 13939 (2017).
Huang, Z. et al. Hidden non-collinear spin-order induced topological surface states. Nat. Commun. 15, 2937 (2024).
Horcas, I. et al. WSXM: a software for scanning probe microscopy and a tool for nanotechnology. Rev. Sci. Instrum. 78, 013705 (2007).
Lawler, M. J. et al. Intra-unit-cell electronic nematicity of the high-Tc copper-oxide pseudogap states. Nature 466, 347–351 (2010).
Uehara, Y., Fujita, T., Iwami, M. & Ushioda, S. Superconducting niobium tip for scanning tunneling microscope light emission spectroscopy. Rev. Sci. Instrum. 72, 2097–2099 (2001).
Ambegaokar, V. & Baratoff, A. Tunneling between superconductors. Phys. Rev. Lett. 10, 486–489 (1963).
Randeria, M. T., Feldman, B. E., Drozdov, I. K. & Yazdani, A. Scanning Josephson spectroscopy on the atomic scale. Phys. Rev. B 93, 161115(R) (2016).
Liu, X., Chong, Y. X., Sharma, R. & Davis, J. C. S. Discovery of a Cooper-pair density wave state in a transition-metal dichalcogenide. Science 372, 1447–1452 (2021).
Brydon, P. M., Daghofer, M. & Timm, C. Magnetic order in orbital models of the iron pnictides. J. Phys. Condens. Matter 23, 246001 (2011).
Yan, Z.-J. Data for “Stoichiometric FeTe is a Superconductor”. Zenodo https://doi.org/10.5281/zenodo.17944465 (2025).

