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Updated: Jan 29, 2026

Fabrication and Characterization of Superconducting Resonators
Published on: May 21, 2016
Ferromagnetic Ordering in Rashba Superconductive LaAl0.7Mn0.3O3/SrTiO3 Interface
Yulin Gan1, Yuhao Hong1, Guang Yang2
1National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, China.
None:
The combination of ferromagnetism, superconductivity, and spin-orbit coupling in interfacial two-dimensional electron liquids (2DELs) assembles the essential ingredients for realizing tantalized topological or spin polarized superconductivity for interfacial oxitronics. Unfortunately, these ingredients usually compete and are sometimes mutually exclusive. Here, by optimally designing a ferromagnet/superconductor heterostructure (LaAl0.7Mn0.3O3/SrTiO3), we demonstrate a ferromagnetic 2DEL with strong Rashba spin-orbit coupling and typical superconducting behavior. More excitingly, Rashba spin-orbit coupling and ferromagnetic order were found to coexist according to the observation of weak antilocalization and butterfly shaped magnetoresistance with clear hysteresis during the superconducting transition. Our revealed coexistence of ferromagnetism, superconductivity, and spin-orbit coupling at the oxide interface provides a fruitful platform to investigate nontrivial properties of spin-polarized supercurrent/topological superconductors and to cultivate applications for superconducting spintronics/quantum computation.
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