"The Eu-doped infinite-layer nickelate Sm0.95xCa0.05EuxNiO2 exhibits a magnetic-field-induced re-entrant superconducting phase, which is confirmed by zero-resistance transport and high-field diamagnetic screening."
"This superconducting phase emerges after the initial suppression of low-field superconductivity and remains robust across a broad range of temperatures, fields, and field orientations."
"In the same doping range, nonlinear Hall transport and hysteretic magnetoresistance are observed, indicating the complex interplay between magnetism and superconductivity."
Eu-doped infinite-layer nickelate Sm0.95xCa0.05EuxNiO2 shows a magnetic-field-induced re-entrant superconducting phase in the Eu-rich over-doped regime. This phase is confirmed by zero-resistance transport and high-field diamagnetic screening. It emerges after the suppression of low-field superconductivity and remains stable across a wide range of temperatures, fields, and orientations. Additionally, nonlinear Hall transport and hysteretic magnetoresistance are observed in the same doping range, indicating complex interactions between magnetism and superconductivity in this material.
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