All articles tagged with #nbse2
Using tunneling spectroscopy on ultrathin NbSe2 (and TaS2), researchers found evidence for two superconducting bands that act like one due to strong interband scattering during the Cooper-pair lifetime, meaning the measured single gap hides a two-band superconductivity; a two-band model fits the data better than a single-band theory and suggests thicker NbSe2 could host even richer superconducting states across related TMDs.
A Nature study reports that embedding NbSe2 in a split-ring cavity resonator increases its superconducting transition temperature, as well as the critical current and critical field near Tc. The results align with theory that hybridization between electronic states and fluctuating cavity modes lowers the superconducting state's energy, providing a noninvasive proof-of-principle that vacuum fluctuations can enhance superconductivity with potential implications for quantum technologies.
A new encapsulation-epitaxy method grows wafer-scale, monolayer NbSe2 beneath a 2D protection layer (graphene or hBN), resulting in air-stable superconductivity and enabling integration into superconducting quantum circuits with high kinetic inductance, signaling a path toward large-scale, monolithic quantum-device fabrication.