Pressure-induced monotonic enhancement of Tc to over 30 K in the superconducting Pr0.82Sr0.18NiO2 thin films

Abstract

The successful synthesis of superconducting infinite-layer nickelate thin films with the highest Tc ~ 15 K has reignited great enthusiasms on this family of potential analogue to high-Tc cuprates. Pursuing a higher Tc is always an imperative task in studying a new superconducting material system. Here we report high-quality Pr0.82Sr0.18NiO2 thin films with Tconset ~ 17 K synthesized by carefully tuning the amount of CaH2 in the topological chemical reduction and the effect of pressure on its superconducting properties by measuring electrical resistivity under various pressures in a cubic anvil cell apparatus. We find that the onset temperature of the superconductivity, Tconset, can be enhanced monotonically from ~ 17 K at ambient pressure to ~ 31 K at 12.1 GPa without showing signatures of saturation upon increasing pressure. This encouraging result indicates that the Tc of infinite-layer nickelates superconductors still has room to go higher and it can be further boosted by applying higher pressures or strain engineering in the heterostructure films.

16 pages, 4 figures

References in corpus (14)

• Coherence-incoherence crossover in the normal state of iron-oxypnictides and importance of the Hund's rule coupling
• Superconductivity in a quintuple-layer square-planar nickelate
• Nickelate superconductivity without rare-earth magnetism: (La,Sr)NiO${}_2$
• Self-doped Mott insulator for parent compounds of nickelate superconductors
• Late transition-metal oxides with infinite-layer structure: Nickelates versus cuprates
• Nickelate superconductors $--$ Multiorbital nature and spin freezing
• Two-band model for magnetism and superconductivity in nickelates
• Multiorbital processes rule the Nd${}_{1-x}$Sr${}_x$NiO${}_2$ normal state
• Materials design of dynamically stable $d^9$ layered nickelates
• Superconductivity in nickel based 112 systems
• Preparation of superconducting thin films of infinite-layer nickelate Nd${}_{0.8}$Sr${}_{0.2}$NiO${}_2$
• High-Tc superconductivity up to 55 K under high pressure in the heavily electron doped Lix(NH3)yFe2Se2 single crystal
• Heavy Electron doping-induced antiferromagnetic phase as the parent for iron-oxypnictide superconductor LaFeAsO1-xHx
• Surface $s$-wave superconductivity for oxide-terminated infinite-layer nickelates

Cited by in corpus (65)

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• Effective bi-layer model Hamiltonian and density-matrix renormalization group study for the high-Tc superconductivity in La${}_3$Ni${}_2$O${}_7$ under high pressure
• Ambient-pressure superconductivity onset above 40 K in bilayer nickelate ultrathin films
• Pressure-induced superconductivity in polycrystalline La3Ni2O7
• Signature of superconductivity in pressurized La${}_4$Ni${}_3$O${}_{10}$
• Electronic correlations and partial gap in the bilayer nickelate La${}_3$Ni${}_2$O${}_7$
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• Effects of Pressure and Doping on Ruddlesden-Popper phases Lan+1NinO3n+1
• Neutron Scattering Studies on the High-$T_c$ Superconductor La${}_3$Ni${}_2$O${}_{7-\delta }$ at Ambient Pressure
• Structural transitions, octahedral rotations, and electronic properties of $A_3$Ni${}_2$O${}_7$ rare-earth nickelates under high pressure
• Long-Range Structural Order in a Hidden Phase of Ruddlesden-Popper Bilayer Nickelate La${}_3$Ni${}_2$O${}_7$
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• Effective model and pairing tendency in bilayer Ni-based superconductor La${}_3$Ni${}_2$O${}_7$
• Reconstructing the polar interface of infinite-layer nickelate thin films
• Optimizing superconductivity: from cuprates via nickelates to palladates
• Electronic Correlation and Pseudogap-like Behavior of High-Temperature Superconductor La3Ni2O7
• Magnetism and superconductivity in the $t-J$ model of $L{a}_{3}N{i}_2{O}_7$ under multiband Gutzwiller approximation
• Cooperation between electron-phonon coupling and electronic interaction in bilayer nickelates La${}_3$Ni${}_2$O${}_7$
• Strain-induced enhancement of $T_c$ in infinite-layer Pr${}_{0.8}$Sr${}_{0.2}$NiO${}_2$ films
• Limits to the strain engineering of layered square-planar nickelate thin films
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• Synthesis and physical properties of LaNiO${}_2$ crystals
• Assessing the formation of spin and charge stripes in La${}_3$Ni${}_2$O${}_7$ from first-principles
• Modulation of the Octahedral Structure and Potential Superconductivity of La${}_3$Ni${}_2$O${}_7$ through Strain Engineering
• Unconventional superconductivity without doping: infinite-layer nickelates under pressure
• Preempted phonon-mediated superconductivity in the infinite-layer nickelates
• Superconductivity in freestanding infinite-layer nickelate membranes
• On the origin of topotactic reduction effect for superconductivity in infinite-layer nickelates
• Spin-density, charge- and bond-disproportionation wave instability in hole-doped infinite-layer $R$NiO${}_2$
• Imaging the Meissner effect in pressurized bilayer nickelate with integrated multi-parameter quantum sensor
• Cavity-enhanced superconductivity via band engineering
• Growth and characterization of the La${}_3$Ni${}_2$O${}_{7-\delta }$ thin films: dominant contribution of the $d_{x^2-y^2}$ orbital at ambient pressure
• Dichotomy in Low- and High-energy Band Renormalizations in Trilayer Nickelate $L{a}_{4}N{i}_3{O}_{10}$: a Comparison with Cuprates
• Variation of carrier density in semimetals via short-range correlation: A case study with nickelate NdNiO${}_2$
• Evidence for the Meissner effect in the nickelate superconductor La3Ni2O7-delta single crystal using diamond quantum sensors
• Closing in on possible scenarios for infinite-layer nickelates: comparison of dynamical mean-field theory with angular-resolved photoemission spectroscopy
• First-principles study on Pr-doped Bilayer Nickelate La3Ni2O7
• Possible structural quantum criticality tuned by rare-earth ion substitution in infinite-layer nickelates
• $GW$+EDMFT investigation of Pr${}_{1-x}$Sr${}_x$NiO${}_2$ under pressure
• Rashba spin-orbit coupling in infinite-layer nickelate films on SrTiO3(001) and KTaO3(001)
• Observation of Electride-like $s$ States Coexisting with Correlated $d$ Electrons in NdNiO${}_2$
• The emergence of antiferromagnetic correlations and Kondo-like features in a two-band model for infinite-layer nickelates
• Damage of bilayer structure in La3Ni2O7-d induced by high pO2 annealing
• Three-dimensional bond-order instability in infinite-layer nickelates due to nonlocal quantum interference
• $\text{Ab initio}$ Materials Design of Superconductivity in $d^9$ Nickelates
• Inversion symmetry breaking in bilayer multi-orbital Hubbard model with impurity approximation
• Electronic correlations and spin-charge-density stripes in double-layer La${}_3$Ni${}_2$O${}_7$
• Decoupling between $d_{x^2-y^2}$ and $d_{z^2}$ orbitals in hole doped La${}_3$Ni${}_2$O${}_7$
• Superconducting phase diagram of finite-layer nickelates Nd${}_{n+1}$Ni${}_n$O${}_{2n+2}$
• Comparison of superconducting pairing in doped cuprates and nickelates within an extended Hubbard model
• Pressure effects on the electronic structure and magnetic properties of infinite-layer nickelates
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• Non-Fermi liquid behavior in La${}_3$Ni${}_2$O${}_7$ thin films under hydrostatic pressure
• Impact of multiband effects on non-Fermi-liquid transport phenomena in bilayer nickelates
• Intrinsic coherence length anisotropy in nickelate, and some pnictide, and chalcogenide superconductors
• Emergence and tunability of Fermi-pocket and electronic instabilities in layered Nickelates
• Surfaces and interfaces of infinite-layer nickelates studied by dynamical mean-field theory
• Bridging ambient- and high-pressure superconductivity in La${}_2$LnNi${}_2$O${}_7$ films
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• Effect of doping on the electronic structure, orbital-dependent renormalizations, and magnetic correlations in bilayer La${}_3$Ni${}_2$O${}_7$