Superconductivity in infinite-layer nickelates

Y Nomura, R Arita - Reports on Progress in Physics, 2022 - iopscience.iop.org
The recent discovery of the superconductivity in the doped infinite layer nickelates RNiO 2
(R= La, Pr, Nd) is of great interest since the nickelates are isostructural to doped (Ca, Sr) …

Dynamical mean field studies of infinite layer nickelates: Physics results and methodological implications

H Chen, A Hampel, J Karp, F Lechermann… - Frontiers in …, 2022 - frontiersin.org
This article summarizes recent work on the many-body (beyond density functional theory)
electronic structure of layered rare-earth nickelates, both in the context of the materials …

Superconducting Dome in Infinite Layer Films

D Li, BY Wang, K Lee, SP Harvey, M Osada… - Physical review …, 2020 - APS
We report the phase diagram of Nd 1− x Sr x NiO 2 infinite layer thin films grown on SrTiO 3.
A superconducting dome spanning 0.125< x< 0.25 is found, remarkably similar to cuprates …

Phase Diagram and Superconducting Dome of Infinite-Layer Thin Films

S Zeng, CS Tang, X Yin, C Li, M Li, Z Huang, J Hu… - Physical Review Letters, 2020 - APS
Infinite-layer Nd 1− x Sr x NiO 2 thin films with Sr doping level x from 0.08 to 0.3 are
synthesized and investigated. We find a superconducting dome x between 0.12 and 0.235 …

Charge and Spin Order Dichotomy in Driven by the Capping Layer

G Krieger, L Martinelli, S Zeng, LE Chow, K Kummer… - Physical Review Letters, 2022 - APS
Superconductivity in infinite-layer nickelates holds exciting analogies with that of cuprates,
with similar structures and 3 d-electron count. Using resonant inelastic x-ray scattering, we …

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

NN Wang, MW Yang, Z Yang, KY Chen… - Nature …, 2022 - nature.com
The successful synthesis of superconducting infinite-layer nickelate thin films with the
highest T c≈ 15 K has ignited great enthusiasm for this material class as potential analogs …

Phase diagram of infinite layer praseodymium nickelate thin films

M Osada, BY Wang, K Lee, D Li, HY Hwang - Physical Review Materials, 2020 - APS
We report the phase diagram of infinite layer Pr 1− x Sr x NiO 2 thin films synthesized via
topotactic reduction from the perovskite precursor phase using CaH 2. Based on the …

Critical Nature of the Ni Spin State in Doped

M Jiang, M Berciu, GA Sawatzky - Physical Review Letters, 2020 - APS
Superconductivity with T c≈ 15 K was recently found in doped NdNiO 2. The Ni 1+ O 2
layers are expected to be Mott insulators, so hole doping should produce Ni 2+ with S= 1 …

Hund's metal physics: From to

Y Wang, CJ Kang, H Miao, G Kotliar - Physical Review B, 2020 - APS
We study the normal state electronic structure of the recently discovered infinite-layer
nickelate superconductor, Nd 1− x Sr x NiO 2, using density functional theory plus dynamical …

Orbital and spin character of doped carriers in infinite-layer nickelates

M Rossi, H Lu, A Nag, D Li, M Osada, K Lee, BY Wang… - Physical Review B, 2021 - APS
The recent discovery of superconductivity in Nd 1− x Sr x NiO 2 has drawn significant
attention in the field. A key open question regards the evolution of the electronic structure …