Superconductivity in an infinite-layer nickelate

@article{Li2019SuperconductivityIA,
  title={Superconductivity in an infinite-layer nickelate},
  author={Danfeng Li and Kyuho Lee and Bai Yang Wang and Motoki Osada and S Crossley and Hye Ryoung Lee and Yi Cui and Yasuyuki Hikita and Harold Y. Hwang},
  journal={Nature},
  year={2019},
  volume={572},
  pages={624-627}
}
The discovery of unconventional superconductivity in (La,Ba)2CuO4 (ref. 1) has motivated the study of compounds with similar crystal and electronic structure, with the aim of finding additional superconductors and understanding the origins of copper oxide superconductivity. Isostructural examples include bulk superconducting Sr2RuO4 (ref. 2) and surface-electron-doped Sr2IrO4, which exhibits spectroscopic signatures consistent with a superconducting gap3,4, although a zero-resistance state has… Expand
Electronic structure of the parent compound of superconducting infinite-layer nickelates
TLDR
X-ray spectroscopy and density functional theory are used to show that the electronic structure of the parent compound of superconducting infinite-layer nickelates, while similar to the copper-based high-temperature superconductors, has significant differences. Expand
Nickelate Superconductivity without Rare-Earth Magnetism: (La,Sr)NiO2.
TLDR
It is found that with significant materials optimization, substantial portions of the La1- x Srx NiO2 phase diagram can enter the regime of coherent low-temperature transport and the unexpected indication of a superconducting ground state in undoped LaNiO2 is observed. Expand
Absence of superconductivity in bulk Nd1−xSrxNiO2
Superconductivity at 9–15 K was recently discovered in Nd0.8Sr0.2NiO2 films. Since the Ni1+ ionic state in NdNiO2 may have the same 3d9 outer-shell electronic orbital as in cuprate superconductors,Expand
Absence of superconductivity in bulk Nd1-xSrxNiO2 (x = 0.2, 0.4)
Recently superconductivity at 9 - 15 K was discovered in an infinite-layer nickelate (Nd0.8Sr0.2NiO2 films), which has received enormous attention. Since the Ni1+ ionic state in NdNiO2 may have theExpand
The dawn of the nickel age of superconductivity
Whereas high-temperature superconductivity in cuprates has been studied for 30 years, during the past year it has been reported in nickelates. This raises new questions for physicists and chemistsExpand
Observation of perfect diamagnetism and interfacial effect on the electronic structures in infinite layer Nd0.8Sr0.2NiO2 superconductors
  • Shengwei Zeng, Xinmao Yin, +13 authors A. Ariando
  • Materials Science
  • 2021
Nickel-based complex oxides have served as a playground for decades in the quest for a copper-oxide analog of the high-temperature (high-Tc) superconductivity. They may provide key points towardsExpand
Observation of perfect diamagnetism and interfacial effect on the electronic structures in Nd0.8Sr0.2NiO2 superconducting infinite layers
Nickel-based complex oxides have served as a playground for decades in the quest for a copper-oxide analog of the high-temperature (high-Tc) superconductivity. They may provide key points towardsExpand
Intrinsic Spin Susceptibility and Pseudogaplike Behavior in Infinite-Layer LaNiO_{2}.
TLDR
The present results imply a considerable exchange interaction in infinite-layer nickelates, which sets a strong constraint for the proposed theoretical models, and unambiguously confirms a paramagnetic ground state in LaNiO_{2. Expand
Magnetic excitations in infinite-layer nickelates
TLDR
The authors observed magnetic modes in the undoped compound that had a doping evolution consistent with the behavior of a doped Mott insulator, and highlight the role of Mottness in infinite-layer nickelates. Expand
Nickelates enter the scene
Nature reviews | Materials High-temperature superconductors hold promise for dissipationless transport of electrical current at relatively high temperatures. However, over 30 years after the firstExpand
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