A PLATED QUBIT DEVICE. PHOTO: D. PAPAS/NIST
A powerful new plated metal combination that superconducts at easily attained temperatures could pave the road for the next critical steps in the development of cutting-edge supercomputers. CIRES chemist and instrument designer Don David and colleagues Dave Pappas and Xian Wu just published the new recipe: an ultrathin layer of rhenium sandwiched between layers of gold, each measuring 1/1000th the diameter of a human hair that can superconduct at critical temperature over 6 Kelvin.
“The sheer magnitude of the critical temperature was unexpected,” said Don David, director of the CIRES Integrated Instrument Development Facility and coauthor on a paper published this week in Applied Physics Letters...
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