• Corpus ID: 246430981

Evidence for nodal superconductivity in infinite-layer nickelates

  title={Evidence for nodal superconductivity in infinite-layer nickelates},
  author={Shannon P. Harvey and Bai Yang Wang and Jennifer Fowlie and Motoki Osada and Kyuho Lee and Yonghun Lee and Danfeng Li and Harold Y. Hwang},
Shannon P. Harvey, 2, ∗ Bai Yang Wang, 3, ∗ Jennifer Fowlie, 2 Motoki Osada, 2 Kyuho Lee, 3 Yonghun Lee, 2 Danfeng Li, 2, † and Harold Y. Hwang 2 Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA USA Department of Applied Physics, Stanford University, Stanford, CA, USA Department of Physics, Stanford University, Stanford, CA, USA (Dated: February 1, 2022) 

Superconducting Instabilities in Strongly Correlated Infinite-Layer Nickelates.

The discovery of superconductivity in infinite-layer nickelates has added a new family of materials to the fascinating growing class of unconventional superconductors. By incorporating the strongly

Pauli-limit violation in lanthanide infinite-layer nickelate superconductors

Superconductivity can be destroyed by a magnetic field with an upper bound known as the Pauli-limit in spin-singlet superconductors. 1,2 Almost all the discovered superconductors are spin-singlet,

Quantifying interaction mechanism in infinite layer nickelate superconductors

The relationship between the long-range antiferromagnetic order in cuprates and the high-temperature superconductivity in these compounds represents unresolved, nearly four-decades long scientific

$\textit{Ab initio}$ Materials Design of Superconductivity in $d^9$ Nickelates

Motivated by the recent theoretical materials design of superconducting d 9 nickelates for which the charge transfer from the NiO 2 to the block layer is completely suppressed [M. Hirayama et al. ,

Optical Properties of Superconducting Nd0.8Sr0.2NiO2 Nickelate

The intensive search for alternative non-cuprate high-transition-temperature ( T c ) superconductors has taken a positive turn recently with the discovery of superconductivity in infinite layer

Rotational symmetry breaking in superconducting nickelate Nd0.8Sr0.2NiO2 films

dependence of the R the breaking from to four-fold (C 4 ) symmetry phase and field additional ) R ( φ ) curves an of field Our uncovers the evolution of the states with different rotational

Electronic structure and correlations in planar trilayer nickelate Pr4Ni3O8

The discovery of superconductivity in planar nickelates raises the question of how the electronic structure and correlations of Ni1+ compounds compare to those of the Cu2+ cuprate superconductors.

Possible structural quantum criticality tuned by rare-earth ion substitution in infinite-layer nickelates

  • A. Subedi
  • Materials Science
    Physical Review Materials
  • 2023
I show the infinite-layer rare-earth nickelates are near a structural quantum critical point by mapping the energetics of their structural instabilities using first priniciples calculations. I first

Charge ordering as the driving mechanism for superconductivity in rare-earth nickel oxides

Superconductivity is one of the most intriguing properties of matter described by an attractive interaction that bounds electrons into Cooper pairs. To date, the highest critical temperature at

Infinite-Layer Nickelate Superconductors: A Current Experimental Perspective of the Crystal and Electronic Structures

After the reward of more than 2 decades of pursuit on the high-Tc cuprate analog with the hope to obtain a better understanding of the mechanism of high-Tc superconductivity, the discovery of



Nickelate superconductors: Multiorbital nature and spin freezing

Superconductivity has recently been reported in Sr-doped NdNiO${}_{2}$ thin films. This work considers the effect of Hund coupling and crystal field splitting in a simple model system and shows that

Superconductivity in infinite-layer lanthanide nickelates

1Department of Physics, Faculty of Science, National University of Singapore, Singapore 117551, Singapore 2Department of Materials Science and Engineering, National University of Singapore, Singapore

Similarities and Differences between LaNiO2 and CaCuO2 and Implications for Superconductivity

We have revisited the electronic structure of infinite-layer RNiO$_2$ (R= La, Nd) in light of the recent discovery of superconductivity in Sr-doped NdNiO$_2$. From a comparison to their cuprate

The case for dx2 − y2 pairing in the cuprate superconductors

A superconducting praseodymium nickelate with infinite layer structure.

These findings indicate that superconductivity in the infinite layer nickelates is relatively insensitive to the details of the rare earth 4f configuration, and motivate the exploration of a broader family of compounds based on two-dimensional NiO2 planes, which will enable systematic investigation of the superconducting and normal state properties and their underlying mechanisms.

Disorder and superfluid density in overdoped cuprate superconductors.

We calculate superfluid density for a dirty d-wave superconductor. The effects of impurity scattering are treated within the self-consistent t-matrix approximation, in weak-coupling BCS theory.

From quantum matter to high-temperature superconductivity in copper oxides

The discovery of high-temperature superconductivity in the copper oxides in 1986 triggered a huge amount of innovative scientific inquiry but unresolved issues include the astonishing complexity of the phase diagram, the unprecedented prominence of various forms of collective fluctuations, and the simplicity and insensitivity to material details of the ‘normal’ state at elevated temperatures.

Isotropic Pauli-limited superconductivity in the infinite-layer nickelate Nd0.775Sr0.225NiO2

The recent observation of superconductivity in thin-film infinite-layer nickelates 1 – 3 offers a different angle from which to investigate superconductivity in layered oxides 4 . A wide range of

Magnetic penetration depth and Tc in superconducting nickelates

We compute the nominal magnetic penetration depth of $R$NiO$_2$ ($R =$ La, Nd) from first principles calculations and discuss the results in relation to the superconducting $T_c$. We find a marked

Type-II t−J model in superconducting nickelate Nd1−xSrxNiO2

The recent observation of superconductivity at relatively high temperatures in hole doped NdNiO$_2$ has generated considerable interest, particularly due to its similarity with the infinite layer