Observation of the superconducting proximity effect from surface states in SmB${}_6$/YB${}_6$ thin film heterostructures via terahertz spectroscopy

Jonathan Stensberg, Xingyue Han, Seunghun Lee +5

The AC conduction of epitaxially-grown SmB${}_6$ thin films and superconducting heterostructures of SmB${}_6$/YB${}_6$ are investigated via time domain terahertz spectroscopy. A two-chan…