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Updated: Jan 10, 2026

Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets
Published on: August 18, 2023
Evidence for nodal superconductivity in infinite-layer nickelates
Shannon P Harvey1,2, Bai Yang Wang1,3, Jennifer Fowlie1,2
1Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025.
None:
Infinite-layer nickelates present a new family of potential unconventional superconductors. A key open question is the superconducting pairing symmetry. We present low-temperature measurements of the magnetic penetration depth in optimally doped La0.8Sr0.2NiO2, Pr0.8Sr0.2NiO2, Nd0.8Sr0.2NiO2, and Nd0.7875Sr0.2125NiO2. For La- and Pr-nickelates, the superfluid density shows a quadratic temperature dependence, indicating nodal superconductivity in the presence of disorder. Nd-nickelate exhibits complex low-temperature behavior associated with Nd 4f magnetism, which precludes a direct measure of the nodal structure.
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