Solid-state reaction synthesis of superconducting refractory-metal germanides for Ge/SiGe quantum devices

Sebastiaan R. Roelofs, Jan Cornelis Wolff, Nick van Loo +3

Solid-phase reactions offer a route to integrate superconductors into Ge/SiGe heterostructures, but forming high-quality superconducting layers near the buried Ge quantum well rema…