Experimental Progress in Superconducting Nickelates

BY Wang, K Lee, BH Goodge - Annual Review of Condensed …, 2024 - annualreviews.org
The superconducting nickelates were first proposed as potential analogs to the cuprate
unconventional superconductors in 1999, but it took twenty years before superconductivity …

Superconductivity in pressurized trilayer La4Ni3O10−δ single crystals

Y Zhu, D Peng, E Zhang, B Pan, X Chen, L Chen… - Nature, 2024 - nature.com
The pursuit of discovering new high-temperature superconductors that diverge from the
copper-based model,–has profound implications for explaining mechanisms behind …

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 …

Evidence for d-wave superconductivity of infinite-layer nickelates from low-energy electrodynamics

B Cheng, D Cheng, K Lee, L Luo, Z Chen, Y Lee… - Nature Materials, 2024 - nature.com
The discovery of superconductivity in infinite-layer nickelates established another category
of unconventional superconductors that shares structural and electronic similarities with …

Absence of 3a0 charge density wave order in the infinite-layer nickelate NdNiO2

CT Parzyck, NK Gupta, Y Wu, V Anil, L Bhatt… - Nature materials, 2024 - nature.com
A hallmark of many unconventional superconductors is the presence of many-body
interactions that give rise to broken-symmetry states intertwined with superconductivity …

Visualization of oxygen vacancies and self-doped ligand holes in La3Ni2O7−δ

Z Dong, M Huo, J Li, J Li, P Li, H Sun, L Gu, Y Lu… - Nature, 2024 - nature.com
The recent discovery of superconductivity in La3Ni2O7− δ under high pressure with a
transition temperature around 80 K (ref.) has sparked extensive experimental,,,–and …

[HTML][HTML] Investigations of key issues on the reproducibility of high-Tc superconductivity emerging from compressed La3Ni2O7

Y Zhou, J Guo, S Cai, H Sun, C Li, J Zhao… - Matter and Radiation …, 2025 - pubs.aip.org
Signatures of superconductivity near 80 K have recently been discovered in single crystals
of La 3 Ni 2 O 7 under pressure, which makes it a new candidate for high-temperature …

Resolving the polar interface of infinite-layer nickelate thin films

BH Goodge, B Geisler, K Lee, M Osada, BY Wang… - Nature materials, 2023 - nature.com
Nickel-based superconductors provide a long-awaited experimental platform to explore
possible cuprate-like superconductivity. Despite similar crystal structure and d electron …

Origin of a topotactic reduction effect for superconductivity in infinite-layer nickelates

S Zeng, CS Tang, Z Luo, LE Chow, ZS Lim… - Physical Review Letters, 2024 - APS
Topotactic reduction utilizing metal hydrides as reagents has emerged as an effective
approach to achieve exceptionally low oxidization states of metal ions and unconventional …

Extensive hydrogen incorporation is not necessary for superconductivity in topotactically reduced nickelates

PP Balakrishnan, D Ferenc Segedin, LE Chow… - Nature …, 2024 - nature.com
A key open question in the study of layered superconducting nickelate films is the role that
hydrogen incorporation into the lattice plays in the appearance of the superconducting state …