AI Insight
This study investigates the magnetic excitations known as paramagnons in infinite-layer nickelate superconductors, a class of materials that exhibit superconductivity at relatively high temperatures. Using resonant inelastic X-ray scattering (RIXS), the researchers demonstrate that paramagnons persist robustly in the superconducting state of these nickelates, surviving across a range of doping levels. The findings suggest that magnetic fluctuations remain strongly present even when the material becomes superconducting, pointing to a potential role of these excitations in the pairing mechanism responsible for superconductivity.
Why it matters
Understanding whether magnetic fluctuations contribute to electron pairing in nickelate superconductors could inform the design of new materials with higher superconducting transition temperatures, with long-term implications for lossless energy transmission and quantum computing hardware.
Source: Persistent paramagnons in high-temperature infinite-layer nickelate superconductors