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 …

Nickelate Superconductivity without Rare‐Earth Magnetism: (La,Sr)NiO2

M Osada, BY Wang, BH Goodge, SP Harvey… - Advanced …, 2021‏ - Wiley Online Library
The occurrence of unconventional superconductivity in cuprates has long motivated the
search for manifestations in other layered transition metal oxides. Recently …

Superconducting Nd1−xEuxNiO2 thin films using in situ synthesis

W Wei, D Vu, Z Zhang, FJ Walker, CH Ahn - Science Advances, 2023‏ - science.org
We report on superconductivity in Nd1− x Eu x NiO2 using Eu as a 4f dopant of the parent
NdNiO2 infinite-layer compound. We use an all–in situ molecular beam epitaxy reduction …

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 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 …

Superconductivity in infinite-layer nickelate La1−xCaxNiO2 thin films

S Zeng, C Li, LE Chow, Y Cao, Z Zhang, CS Tang… - Science …, 2022‏ - science.org
We report the observation of superconductivity in infinite-layer Ca-doped LaNiO2 (La1− x Ca
x NiO2) thin films and construct their phase diagram. Unlike the metal-insulator transition in …

Single particle tunneling spectrum of superconducting Nd1-xSrxNiO2 thin films

Q Gu, Y Li, S Wan, H Li, W Guo, H Yang, Q Li… - Nature …, 2020‏ - nature.com
The pairing mechanism in cuprates remains as one of the most challenging issues in
condensed matter physics. Recently, superconductivity was discovered in thin films of the …

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 do** should produce Ni 2+ with S= 1 …