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In-gap features in superconducting LaAlO-SrTiO interfaces observed by tunneling spectroscopy
Lukas Kuerten, Christoph Richter, Narayan Mohanta +4
We identified quasiparticle states at well-defined energies inside the superconducting gap of the electron system at the LaAlO-SrTiO interface using tunneling spectroscopy.…
Evidence for Superconducting Phase Coherence in the Metallic/Insulating Regime of the LaAlO3-SrTiO3 Interface Electron System
E. Fillis-Tsirakis, C. Richter, J. Mannhart +1
A superconducting phase with an extremely low carrier density of the order of 10^13 cm^-2 is present at LaAlO3-SrTiO3 interfaces. If depleted from charge carriers by means of a gat…
Electron-phonon Coupling and the Superconducting Phase Diagram of the LaAlO3-SrTiO3 Interface
Hans Boschker, Christoph Richter, Evangelos Fillis-Tsirakis +2
The superconductor at the LaAlO3-SrTiO3 interface provides a model system for the study of two-dimensional superconductivity in the dilute carrier density limit. Here we experiment…