Metallised 3D printed plastic resonator demonstrates superconductivity below 4 K
Abstract
We report the first observation of a superconducting transition in a 3D printed, metallised-plastic device. A cylindrical cavity is 3D printed from a photosensitive polymer resin and then a 20 μm layer of tin deposited. A resonant TE microwave mode at 13.41 GHz is observed to reduce its losses by an order of magnitude once it is cooled below 3.72 K; the superconducting transition temperature of tin, with the mode's Q factor increasing from 2.7×104 to 4.0×105.
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