Strong Superexchange in a $d^{9-\delta }$ Nickelate Revealed by Resonant Inelastic X-Ray Scattering

Abstract

The discovery of superconductivity in a $d^{9-\delta }$ nickelate has inspired disparate theoretical perspectives regarding the essential physics of this class of materials. A key issue is the magnitude of the magnetic superexchange, which relates to whether cuprate-like high-temperature nickelate superconductivity could be realized. We address this question using Ni L-edge and O K-edge spectroscopy of the reduced trilayer nickelate $d^{9-1/3}$ La4Ni3O8 and associated theoretical modeling. A magnon energy scale of ~80 meV resulting from a nearest-neighbor magnetic exchange of $J=69(4)4$ meV is observed, proving that $d^{9-\delta }$ nickelates can host a large superexchange. This value, along with that of the Ni-O hybridization estimated from our O K-edge data, implies that trilayer nickelates represent an intermediate case between the infinite-layer nickelates and the cuprates, and suggests that they represent a promising route towards higher-temperature nickelate superconductivity.

arXiv comment7 pages not including supplmentary material; To appear in Physical Review Letters

References in corpus (48)

• SciPy 1.0--Fundamental Algorithms for Scientific Computing in Python
• A Common Thread: the pairing interaction for the unconventional superconductors
• Spin waves and electronic interactions in La2CuO4
• Intense paramagnon excitations in a large family of high-temperature superconductors
• 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
• Infinite Layer LaNiO(2): Ni(1+)is not Cu(2+)
• A superconducting praseodymium nickelate with infinite layer structure
• Persistence of magnetic excitations in La2-xSrxCuO4 from the undoped insulator to the heavily overdoped non-superconducting metal
• Formation of 2D single-component correlated electron system and band engineering in the nickelate superconductor NdNiO2
• Self-doped Mott insulator for parent compounds of nickelate superconductors
• The critical nature of the Ni spin state in doped NdNiO${}_2$
• Similarities and differences between infinite-layer nickelates and cuprates and implications for superconductivity
• 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
• Anisotropy and Magnetism in the LSDA+U Method
• Mimicking cuprates: large orbital polarization in a metallic square-planar nickelate
• Doping evolution of the Mott-Hubbard landscape in infinite-layer nickelates
• Two-dimensional higher-order topology in monolayer graphdiyne
• Theory of Resonant Inelastic X-ray Scattering by Collective Magnetic Excitations
• Nickelate superconductors $--$ Multiorbital nature and spin freezing
• Many-body Electronic Structure of NdNiO${}_2$ and CaCuO${}_2$
• Spin excitations in a single La${}_2$CuO${}_4$ layer
• Synthesis and characterization of bulk Nd1-xSrxNiO2 and Nd1-xSrxNiO3
• Influence of apical oxygen on the extent of in-plane exchange interaction in cuprate superconductors
• Hund's metal physics: from SrNiO${}_2$ to NdNiO${}_2$
• Two-band model for magnetism and superconductivity in nickelates
• Stacked Charge Stripes in Quasi-Two_Dimensional Trilayer Nickelate La4Ni3O8
• Type II $t-J$ model in superconducting nickelate Nd${}_{1-x}$Sr${}_x$NiO${}_2$
• Bulk magnetic order in a two dimensional Ni1+/Ni2+ (d9/d8) nickelate, isoelectronic with superconducting cuprates
• Directly characterizing the relative strength and momentum dependence of electron-phonon coupling using resonant inelastic x-ray scattering
• Effective Hamiltonian for superconducting Ni oxides Nd${}_{1-x}$Sr${}_x$NiO${}_2$
• Materials Design for New Superconductors
• Spin stripe order in a square planar trilayer nickelate
• Nature of the charge-density wave excitations in cuprates
• Spin Waves in Striped Phases
• Electronic structure and magnetism in infinite-layer nickelates RNiO${}_2$ (R= La-Lu)
• Spin dynamics in stripe-ordered La5/3Sr1/3NiO4
• Charge ordering in Ni${}^{1+}$/Ni${}^{2+}$ nickelates: La${}_4$Ni${}_3$O${}_8$ and La${}_3$Ni${}_2$O${}_6$
• Electron doped layered nickelates: spanning the phase diagram of the cuprates
• Doping Dependence of Collective Spin and Orbital Excitations in Spin 1 Quantum Antiferromagnet La${}_{2-x}$Sr${}_x$NiO${}_4$ Observed by X-rays
• Correlated materials design: prospects and challenges
• Spin-density functional theories and their $+U$ and $+J$ extensions: a comparative study of transition metals and transition metal oxides
• Theoretical investigation of superconductivity in trilayer square-planar nickelates
• Magnetic exchange coupling in cuprate-analog $d^9$ nickelates
• Short-range magnetic interactions and spin-glass behavior in the quasi-2D nickelate Pr4Ni3O8
• Orbital engineering in nickelate heterostructures driven by anisotropic oxygen hybridization rather than orbital energy levels
• Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates

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• Superconductivity in a quintuple-layer square-planar nickelate
• Electronic and magnetic excitations in La${}_3$Ni${}_2$O${}_7$
• Superconductivity in infinite-layer nickelates
• Correlated electronic structure, orbital-selective behavior, and magnetic correlations in double-layer La${}_3$Ni${}_2$O${}_7$ under pressure
• Intrinsic magnetism in superconducting infinite-layer nickelates
• Observation of perfect diamagnetism and interfacial effect on the electronic structures in Nd0.8Sr0.2NiO2 superconducting infinite layers
• Superconducting Instabilities in Strongly-Correlated Infinite-Layer Nickelates
• Magnetic correlations in infinite-layer nickelates: an experimental and theoretical multi-method study
• Exploring Quantum Materials with Resonant Inelastic X-Ray Scattering
• Core-Level X-Ray Spectroscopy of Infinite-Layer Nickelate: LDA+DMFT Study
• Experimental Progress on the Emergent Infinite-Layer Ni-Based Superconductors
• Review on quasi-2D square planar nickelates
• Electronic structure and magnetic properties of higher-order layered nickelates: La${}_{n+1}$Ni${}_n$O${}_{2n+2}$ ($n=4-6$)
• A superlattice approach to doping infinite-layer nickelates
• Infinite-layer nickelate superconductors: A current experimental perspective of the crystal and electronic structures
• Low Valence Nickelates: Launching the Nickel Age of Superconductivity
• Soft X-ray Spectroscopy of Low-Valence Nickelates
• Electronic structure and magnetic correlations in trilayer nickelate superconductor La${}_4$Ni${}_3$O${}_{10}$ under pressure
• Limits to the strain engineering of layered square-planar nickelate thin films
• Effect of epitaxial strain on the electronic structure and magnetic correlations in infinite-layer (Nd,Sr)NiO${}_2$
• Quadrupolar magnetic excitations in an isotropic spin-1 antiferromagnet
• A Nickelate Renaissance
• Role of Oxygen States in the Low Valence Nickelate La${}_4$Ni${}_3$O${}_8$
• Microscopic Theory of Superconducting Phase Diagram in Infinite-Layer Nickelates
• Epitaxial growth of Ruddlesden-Popper neodymium nickelates Nd${}_{n+1}$Ni${}_n$O${}_{3n+1}$ ($n$ = 1-5)
• Emergent flat-band physics in $d^{9-\delta }$ multilayer nickelates
• 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${}_2$
• Many-body electronic structure of $d^{9-\delta }$ layered nickelates
• Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates
• Quantifying interaction mechanism in infinite layer nickelate superconductors
• Charge-stripe Fluctuations in Nd${}_4$Ni${}_3$O${}_8$ as Evidenced by Optical Spectroscopy
• Stabilization of singlet hole-doped state in infinite-layer nickelate superconductors
• Electronic character of charge order in square planar low valence nickelates
• Magnetism in doped infinite-layer NdNiO2 studied by combined density functional theory and dynamical mean-field theory
• Two-orbital model for possible superconductivity pairing mechanism in nickelates
• Strength of Correlations in a Silver Based Cuprate Analogue
• Strain-Tuned Magnetic Frustration in a Square Lattice $J_1$-$J_2$ Material
• Proposal to improve Ni-based superconductors via enhanced charge transfer
• Resonant inelastic x-ray scattering data for Ruddlesden-Popper and reduced Ruddlesden-Popper nickelates
• A Broken Translational Symmetry State in an Infinite-Layer Nickelate
• Magnetic excitations in Nd${}_{n+1}$Ni${}_n$O${}_{3n+1}$ Ruddlesden-Popper nickelates observed via resonant inelastic x-ray scattering
• Electronic correlations and spin-charge-density stripes in double-layer La${}_3$Ni${}_2$O${}_7$
• How orbitals and oxidation states determine apparent topographies in scanning tunneling microscopy: the case of fluorine on silver surfaces
• Superconducting phase diagram of multi-layer square-planar nickelates
• Magnetic excitations in infinite-layer nickelates
• Intrinsic coherence length anisotropy in nickelate, and some pnictide, and chalcogenide superconductors
• Observation of correlated plasmons in low-valence nickelates