Abstract
Ab-initio Insights into the Single Superconducting CaCuO2/SrTiO3 Interface
Highlights
The quasi-two-dimensional superconductivity was found in the FeSe/SrTiO3 interface with Tc as high as 109 K, which is rather larger than that in the bulk FeSe with Tc of 8 K
Such similar phenomenon appears in the other quasi-2D system, CaCuO2/SrTiO3 heterostructure interface with Tc as high as 55 K, where the bulk CaCuO2 is an antiferromagnetic insulator. For the former one FeSe/SrTiO3, lots of reports show that the charge transfer and the interface-enhanced electron-phonon coupling contribute the majority of the enhanced Tc
For the latter one CaCuO2/SrTiO3, only the experiments infer that the charge transfer should be one of the major determining factors, and there is no available theoretical result so far
Summary
Ab-initio Insights into the Single Superconducting CaCuO2/SrTiO3 Interface Abstract: In order to achieve higher superconducting transition temperature (Tc), the low dimensional superconducting systems have been the interest in recent years.
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