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 …

Large orbital polarization in a metallic square-planar nickelate

J Zhang, AS Botana, JW Freeland, D Phelan, H Zheng… - Nature Physics, 2017 - nature.com
High-temperature cuprate superconductivity remains a defining problem in condensed-
matter physics. Among myriad approaches to addressing this problem has been the study of …

Model Construction and a Possibility of Cupratelike Pairing in a New Nickelate Superconductor

H Sakakibara, H Usui, K Suzuki, T Kotani, H Aoki… - Physical Review Letters, 2020 - APS
Effective models are constructed for a newly discovered superconductor (Nd, Sr) Ni O 2,
which has been considered as a possible nickelate analog of the cuprates. Estimation of the …

Orbital-selective superconductivity in a two-band model of infinite-layer nickelates

P Adhikary, S Bandyopadhyay, T Das, I Dasgupta… - Physical Review B, 2020 - APS
In the present Rapid Communication, we explore superconductivity in Nd Ni O 2 and La Ni O
2 employing a first-principles derived low-energy model Hamiltonian, consisting of two …

Comparative many-body study of and

J Karp, A Hampel, M Zingl, AS Botana, H Park… - Physical Review B, 2020 - APS
We study the many-body electronic structure of the stoichiometric and electron-doped
trilayer nickelate Pr 4 Ni 3 O 8 in comparison to that of the stoichiometric and hole-doped …

Electronic structure and magnetic properties of LaNiO under pressure

H LaBollita, V Pardo, MR Norman… - arXiv preprint arXiv …, 2023 - arxiv.org
Following the recent report of superconductivity in the bilayer nickelate La $ _ {3} $ Ni $ _ {2}
$ O $ _ {7} $ under pressure, we present an analysis of the electronic and magnetic …

Electronic structure and magnetic tendencies of trilayer under pressure: Structural transition, molecular orbitals, and layer differentiation

H LaBollita, J Kapeghian, MR Norman, AS Botana - Physical Review B, 2024 - APS
Motivated by the recent observation of superconductivity in the pressurized trilayer
Ruddlesden-Popper (RP) nickelate La 4 Ni 3 O 10, we explore its structural, electronic, and …

Stacked charge stripes in the quasi-2D trilayer nickelate La4Ni3O8

J Zhang, YS Chen, D Phelan… - Proceedings of the …, 2016 - National Acad Sciences
The quasi-2D nickelate La4Ni3O8 (La-438), consisting of trilayer networks of square planar
Ni ions, is a member of the so-called T′ family, which is derived from the Ruddlesden …

Spin stripe order in a square planar trilayer nickelate

J Zhang, DM Pajerowski, AS Botana, H Zheng… - Physical Review Letters, 2019 - APS
Trilayer nickelates, which exhibit a high degree of orbital polarization combined with an
electron count (d 8.67) corresponding to overdoped cuprates, have been identified as a …

Review on quasi-2D square planar nickelates

J Zhang, X Tao - CrystEngComm, 2021 - pubs.rsc.org
In strongly correlated materials, lattice, charge, spin and orbital degrees of freedom interact
with each other, leading to emergent physical properties such as superconductivity, colossal …