Physicists invent printable superconductor

Superconducting devices such as SQUIDS (Superconducting Quantum Interferometry Device) can perform ultra-sensitive measurements of magnetic fields. Leiden physicsts invented a method to 3D-print these and other superconducting devices in minutes.

‘Fabricating superconducting devices on a computer chip is a multi-step and demanding procedure, requiring dedicated facilities’, says Kaveh Lahabi, a physicist at Leiden Universty. ‘It usually takes days to complete’,

Lahabi and co-authors have developed a new approach, in which Josephson junctions, essential parts of SQUIDS, can be printed on almost any surface in mere minutes, within an electron microscope.

In this video, Lahabi and co-author Tycho Blom demonstrate their technique and discuss their recent article in ACS Nano.

Tycho J. Blom, Thomas W. Mechielsen, Remko Fermin, Marcel B. S. Hesselberth, Jan Aarts, and Kaveh Lahabi, Direct-Write Printing of Josephson Junctions in a Scanning Electron Microscope

ACS Nano Article ASAP

DOI: 10.1021/acsnano.0c03656

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