Physics of ultrathin films and heterostructures of rare-earth nickelates

S Middey, J Chakhalian, P Mahadevan… - Annual Review of …, 2016‏ - annualreviews.org
The electronic structure of transition metal oxides featuring correlated electrons can be
rationalized within the Zaanen-Sawatzky-Allen framework. Following a brief description of …

Tuning bad metal and non-Fermi liquid behavior in a Mott material: Rare-earth nickelate thin films

E Mikheev, AJ Hauser, B Himmetoglu, NE Moreno… - Science …, 2015‏ - science.org
Resistances that exceed the Mott-Ioffe-Regel limit (known as bad metal behavior) and non-
Fermi liquid behavior are ubiquitous features of the normal state of many strongly correlated …

High-Pressure Floating-Zone Growth of Perovskite Nickelate LaNiO3 Single Crystals

J Zhang, H Zheng, Y Ren, JF Mitchell - Crystal Growth & Design, 2017‏ - ACS Publications
We report the first single crystal growth of the correlated metal LaNiO3 using a high-pressure
optical-image floating zone furnace. The crystals were studied using single crystal/powder X …

Intertwined density waves in a metallic nickelate

J Zhang, D Phelan, AS Botana, YS Chen… - Nature …, 2020‏ - nature.com
Nickelates are a rich class of materials, ranging from insulating magnets to superconductors.
But for stoichiometric materials, insulating behavior is the norm, as for most late transition …

An oxygen vacancy memristor ruled by electron correlations

V Humbert, R El Hage, G Krieger… - Advanced …, 2022‏ - Wiley Online Library
Resistive switching effects offer new opportunities in the field of conventional memories as
well as in the booming area of neuromorphic computing. Here the authors demonstrate …

Scale-invariant magnetic textures in the strongly correlated oxide NdNiO3

J Li, J Pelliciari, C Mazzoli, S Catalano… - Nature …, 2019‏ - nature.com
Strongly correlated quantum solids are characterized by an inherently granular electronic
fabric, with spatial patterns that can span multiple length scales in proximity to a critical point …

Antiferromagnetic defect structure in single crystals

BX Wang, S Rosenkranz, X Rui, J Zhang, F Ye… - Physical Review …, 2018‏ - APS
The origins of the metal-insulator and magnetic transitions exhibited by perovskite rare-earth
nickelates, R NiO 3 (where R is a rare-earth element), remain open issues, with charge …

Optical spectroscopy and the nature of the insulating state of rare-earth nickelates

J Ruppen, J Teyssier, OE Peil, S Catalano, M Gibert… - Physical Review B, 2015‏ - APS
Using a combination of spectroscopic ellipsometry and DC transport measurements, we
determine the temperature dependence of the optical conductivity of NdNiO 3 and SmNiO 3 …

Volume-wise destruction of the antiferromagnetic Mott insulating state through quantum tuning

BA Frandsen, L Liu, SC Cheung, Z Guguchia… - Nature …, 2016‏ - nature.com
Abstract RENiO3 (RE= rare-earth element) and V2O3 are archetypal Mott insulator systems.
When tuned by chemical substitution (RENiO3) or pressure (V2O3), they exhibit a quantum …

Observation of an antiferromagnetic quantum critical point in high-purity LaNiO3

C Liu, VFC Humbert, TM Bretz-Sullivan, G Wang… - Nature …, 2020‏ - nature.com
Amongst the rare-earth perovskite nickelates, LaNiO3 (LNO) is an exception. While the
former have insulating and antiferromagnetic ground states, LNO remains metallic and non …