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 …

Structural transitions, octahedral rotations, and electronic properties of A3Ni2O7 rare-earth nickelates under high pressure

B Geisler, JJ Hamlin, GR Stewart, RG Hennig… - npj Quantum …, 2024 - nature.com
Motivated by the recent observation of superconductivity with T c~ 80 K in pressurized
La3Ni2O7, we explore the structural and electronic properties of A 3Ni2O7 bilayer nickelates …

Evidence for Anisotropic Superconductivity Beyond Pauli Limit in Infinite‐Layer Lanthanum Nickelates

W Sun, Y Li, R Liu, J Yang, J Li, W Wei, G Jin… - Advanced …, 2023 - Wiley Online Library
After being expected to be a promising analog to cuprates for decades, superconductivity
has recently been discovered in infinite‐layer nickelates, providing new opportunities to …

Advancing Superconductivity with Interface Engineering

Y Liu, Q Meng, P Mahmoudi, Z Wang… - Advanced …, 2024 - Wiley Online Library
The development of superconducting materials has attracted significant attention not only for
their improved performance, such as high transition temperature (TC), but also for the …

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 …

Interface Design Beyond Epitaxy: Oxide Heterostructures Comprising Symmetry‐forbidden Interfaces

H Wang, V Harbola, YJ Wu, PA van Aken… - Advanced …, 2024 - Wiley Online Library
Epitaxial growth of thin‐film heterostructures is generally considered the most successful
procedure to obtain interfaces of excellent structural and electronic quality between three …

Magnetic excitations in strained infinite-layer nickelate PrNiO2 films

Q Gao, S Fan, Q Wang, J Li, X Ren, I Biało… - Nature …, 2024 - nature.com
Strongly correlated materials respond sensitively to external perturbations such as strain,
pressure, and doping. In the recently discovered superconducting infinite-layer nickelates …

Thickness-dependent interface polarity in infinite-layer nickelate superlattices

C Yang, RA Ortiz, Y Wang, W Sigle, H Wang… - Nano Letters, 2023 - ACS Publications
The interface polarity plays a vital role in the physical properties of oxide heterointerfaces
because it can cause specific modifications of the electronic and atomic structure …

Direct observation of strong surface reconstruction in partially reduced nickelate films

C Yang, R Pons, W Sigle, H Wang, E Benckiser… - Nature …, 2024 - nature.com
The polarity of a surface can affect the electronic and structural properties of oxide thin films
through electrostatic effects. Understanding the mechanism behind these effects requires …

In Situ Preparation of Superconducting Infinite‐Layer Nickelate Thin Films with Atomically Flat Surface

W Sun, Z Wang, B Hao, S Yan, H Sun, Z Gu… - Advanced …, 2024 - Wiley Online Library
Since their discovery, the infinite‐layer nickelates have been regarded as an appealing
system for gaining deeper insights into high temperature superconductivity (HTSC) …