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) …

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 do** level x from 0.08 to 0.3 are
synthesized and investigated. We find a superconducting dome x between 0.12 and 0.235 …

Low valence nickelates: Launching the nickel age of superconductivity

AS Botana, KW Lee, MR Norman, V Pardo… - Frontiers in …, 2022 - frontiersin.org
The discovery of superconductivity in thin films (∼ 10 nm) of infinite-layer hole-doped
NdNiO2 has invigorated the field of high temperature superconductivity research, reviving …

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 …

Distinct pairing symmetries of superconductivity in infinite-layer nickelates

Z Wang, GM Zhang, Y Yang, FC Zhang - Physical Review B, 2020 - APS
We report theoretical predictions on the pairing symmetry of the newly discovered
superconducting nickelate Nd 1− x Sr x NiO 2 based on the renormalized mean-field theory …

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 …

Magnetic and f-electron effects in LaNiO2 and NdNiO2 nickelates with cuprate-like band

R Zhang, C Lane, B Singh, J Nokelainen… - Communications …, 2021 - nature.com
Recent discovery of superconductivity in the doped infinite-layer nickelates has renewed
interest in understanding the nature of high-temperature superconductivity more generally …

Strong Superexchange in a Nickelate Revealed by Resonant Inelastic X-Ray Scattering

JQ Lin, P Villar Arribi, G Fabbris, AS Botana… - Physical Review Letters, 2021 - APS
The discovery of superconductivity in ad 9-δ nickelate has inspired disparate theoretical
perspectives regarding the essential physics of this class of materials. A key issue is the …

Exchange interactions and sensitivity of the Ni two-hole spin state to Hund's coupling in doped

X Wan, V Ivanov, G Resta, I Leonov, SY Savrasov - Physical Review B, 2021 - APS
Using the density-functional-based LDA+ U method and linear-response theory, we study
the magnetic exchange interactions of the superconductor Nd 1− x Sr x Ni O 2. Our …

Fluctuation-frustrated flat band instabilities in

MY Choi, WE Pickett, KW Lee - Physical Review Research, 2020 - APS
The discovery that Nd 1− x Sr x Ni O 2, with the Ca Cu O 2 infinite-layer structure,
superconducts up to 15 K around the hole-do** level x= 0.2 raises the crucial question of …