Fabricating Inexpensive, High-Temp SQUIDs for Future Electronic Devices

High-transition-temperature materials demand novel device architectures, which have proved difficult to create. Added to that set of challenges, process control at the sub-10-nanometer-scale is required to make high-quality Josephson junctions -- the basic building block of superconducting electronics -- out of these materials. Maneuvering around these challenges, a group of researchers has developed a new approach to fabricate oxide Josephson junctions, which they report in a paper this week in Applied Physics Letters.

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