A chemical avenue to manipulate field-reentrant superconducting rivalries in infinite layer nickelates
Researchers developed a chemical growth strategy using high-pO2 conditions to effectively grow infinite layer nickelates with various rare-earth elements (REs). This allowed them to study how RE-4f orbital and spin interactions modulate quantum phase criticality, leading to enhanced superconducting transition temperatures up to 40 K and robust critical currents of 266 kA/cm2.