Low Valence Nickelates: Launching the Nickel Age of Superconductivity

Abstract

The discovery of superconductivity in thin films ($\sim$10 nm) of infinite-layer hole-doped NdNiO${}_2$ has invigorated the field of high-temperature superconductivity research, reviving the debate over contrasting views that nickelates that are isostructural with cuprates are either (1) sisters of the high-temperature superconductors, or (2) that differences between nickel and copper at equal band filling should be the focus of attention. Each viewpoint has its merits, and each has its limitations, suggesting that such a simple picture must be superseded by a more holistic comparison of the two classes. Several recent studies have begun this generalization, raising a number of questions without suggesting any consensus. In this paper, we organize the findings of the electronic structures of $n$-layered NiO${}_2$ materials ($n$= 1 to $\infty$) to outline (ir)regularities and to make comparisons with cuprates, with the hope that important directions of future research will emerge.

References in corpus (62)

• Superconducting Dome in Nd${}_{1-x}$Sr${}_x$NiO${}_2$ Infinite Layer Films
• Electronic structure of the parent compound of superconducting infinite-layer nickelates
• Phase diagram and superconducting dome of infinite-layer $\mathrm{N}{\mathrm{d}}_{1-\mathrm{x}}\mathrm{S}{\mathrm{r}}_{\mathrm{x}}\mathrm{Ni}{\mathrm{O}}_2$ thin films
• Superconductivity in a quintuple-layer square-planar nickelate
• A superconducting praseodymium nickelate with infinite layer structure
• Nickelate superconductivity without rare-earth magnetism: (La,Sr)NiO${}_2$
• Formation of 2D single-component correlated electron system and band engineering in the nickelate superconductor NdNiO2
• Similarities and differences between infinite-layer nickelates and cuprates and implications for superconductivity
• The critical nature of the Ni spin state in doped NdNiO${}_2$
• Robust $d_{x^2-y^2}$-wave superconductivity of infinite-layer nickelates
• Model construction and a possibility of cuprate-like pairing in a new d9 nickelate superconductor (Nd,Sr)NiO2
• Late transition-metal oxides with infinite-layer structure: Nickelates versus cuprates
• Phase Diagram of Infinite Layer Praseodymium Nickelate Pr${}_{1-x}$Sr${}_x$NiO${}_2$ Thin Films
• Doping evolution of the Mott-Hubbard landscape in infinite-layer nickelates
• Two superconducting components with different symmetries in Nd1-xSrxNiO2 films
• Aspects of the Synthesis of Thin Film Superconducting Infinite-Layer Nickelates
• Nickelate superconductors $--$ Multiorbital nature and spin freezing
• Absence of superconductivity in bulk Nd${}_{1-x}$Sr${}_x$NiO${}_2$
• Many-body Electronic Structure of NdNiO${}_2$ and CaCuO${}_2$
• A substantial hybridization between correlated Ni-d orbital and itinerant electrons in infinite-layer nickelates
• Superconductivity in infinite-layer nickelates
• Role of $4f$ states in infinite-layer NdNiO${}_2$
• Synthesis and characterization of bulk Nd1-xSrxNiO2 and Nd1-xSrxNiO3
• Electronic structure of rare-earth infinite-layer ReNiO2 (Re=La, Nd)
• Hund's metal physics: from SrNiO${}_2$ to NdNiO${}_2$
• Induced magnetic two-dimensionality by hole doping in the superconducting infinite-layer nickelate Nd${}_{1-x}$Sr${}_x$NiO${}_2$
• Multiorbital processes rule the Nd${}_{1-x}$Sr${}_x$NiO${}_2$ normal state
• Lifshitz transition and frustration of magnetic moments in infinite-layer NdNiO${}_2$ upon hole-doping
• Type II $t-J$ model in superconducting nickelate Nd${}_{1-x}$Sr${}_x$NiO${}_2$
• Electronic Structure Trends Across the Rare-Earth Series in Superconducting Infinite Layer Nickelates
• Effective Hamiltonian for superconducting Ni oxides Nd${}_{1-x}$Sr${}_x$NiO${}_2$
• Electronic and Magnetic Structure of Infinite-layer ${\text{NdNiO}}_2$: Trace of Antiferromagnetic Metal
• Epitaxial growth and electronic structure of Ruddlesden-Popper nickelates (${\mathrm{La}}_{n+1}{\mathrm{Ni}}_n{\mathrm{O}}_{3n+1},n=1-5$)
• Normal state of Nd${}_{1-x}$Sr${}_x$NiO${}_2$ from self-consistent $GW$+EDMFT
• Strong Superexchange in a $d^{9-\delta }$ Nickelate Revealed by Resonant Inelastic X-Ray Scattering
• Spin stripe order in a square planar trilayer nickelate
• Tuning the van Hove singularities in AV${}_3$Sb${}_5$ (A = K, Rb, Cs) via pressure and doping
• $f$-electron and magnetic ordering effects in nickelates LaNiO${}_2$ and NdNiO${}_2$: remarkable role of the cuprate-like $3d_{x^2-y^2}$ band
• Optical properties of the infinite-layer La${}_{1-x}$Sr${}_x$NiO${}_2$ and hidden Hund's physics
• Fluctuation-frustrated flat band instabilities in NdNiO2
• Nickelate superconductors: an ongoing dialog between theory and experiments
• The dawn of the nickel age of superconductivity
• Comparative Many-Body Study of Pr${}_4$Ni${}_3$O${}_8$ and NdNiO${}_2$
• Theoretical investigation of superconductivity in trilayer square-planar nickelates
• Stability and electronic properties of the LaNiO${}_2$/SrTiO${}_3$ interface
• Ab initio many-body GW correlations in the electronic structure of LaNiO${}_2$
• Polarity induced electronic and atomic reconstruction at NdNiO2/SrTiO3 interfaces
• Doping dependence of electronic structure of infinite-layer NdNiO2
• Effects of Sr-doping on the electronic and spin-state properties of infinite-layer nickelates
• Intrinsic Spin Susceptibility and Pseudogap-like Behavior in Infinite-Layer LaNiO2
• Core-Level X-Ray Spectroscopy of Infinite-Layer Nickelate: LDA+DMFT Study
• Electronic structure and magnetic properties of higher-order layered nickelates: La${}_{n+1}$Ni${}_n$O${}_{2n+2}$ ($n=4-6$)
• Review on quasi-2D square planar nickelates
• A superlattice approach to doping infinite-layer nickelates
• Correlated interface electron gas in infinite-layer nickelate versus cuprate films on SrTiO${}_3$(001)
• Core-level x-ray photoemission and Raman spectroscopy studies on electronic structures in Mott-Hubbard type nickelate oxide NdNiO${}_2$
• Hund physics landscape of two-orbital system
• Interplay between Zhang-Rice singlets and high-spin states in a model for doped NiO${}_2$ planes
• Infinite-layer nickelates as Ni-eg Hund's metals
• Proposed ordering of textured spin singlets in a bulk infinite layer nickelate
• Field-induced Bose-Einstein condensation and supersolid in the two-dimensional Kondo necklace
• Magnetic excitations in infinite-layer nickelates

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• Superconductivity and normal-state transport in compressively strained La${}_2$PrNi${}_2$O${}_7$ thin films
• Infinite-layer nickelate superconductors: A current experimental perspective of the crystal and electronic structures
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• Screening in a two-band model for superconducting infinite-layer nickelate
• Spin-density, charge- and bond-disproportionation wave instability in hole-doped infinite-layer $R$NiO${}_2$
• Phase formation in hole- and electron-doped rare-earth nickelate single crystals
• Scanning SQUID study of ferromagnetism and superconductivity in infinite-layer nickelates
• Low-energy perspective on two-orbital Hund metals and the case of LaNiO2
• Electronic correlations and spin-charge-density stripes in double-layer La${}_3$Ni${}_2$O${}_7$
• Pressure effects on the electronic structure and magnetic properties of infinite-layer nickelates
• A $d^8$ anti-Hund's Singlet Insulator in an Infinite-layer Nickelate
• Structural stability, electronic structure, and magnetic properties of the single-layer trilayer La3Ni2O7 polymorph
• Emergence and tunability of Fermi-pocket and electronic instabilities in layered Nickelates
• Observation of surface superconductivity in bulk polycrystalline MoS2 induced by electric double-layer doping
• Effect of doping on the electronic structure, orbital-dependent renormalizations, and magnetic correlations in bilayer La${}_3$Ni${}_2$O${}_7$