[time-nuts] IEEE Spectrum - Dec 2017 - article on chip-scale atomic frequency reference

Tom McDermott tom.n5eg at gmail.com
Fri Dec 8 17:40:29 UTC 2017


There's an interesting article in the December 2017 issue of IEEE Spectrum.

Researchers at Oxford U. have fabricated an atomic reference based on
a single nitrogen molecule inside a 60-atom carbon sphere ("Fullerene").
The cage of carbon isolates the nitrogen from external electric fields,
and they've developed a method to also isolate it from external magnetic
fields.

They have not incorporated the material into a working standard, but have
licensed the chemical fabrication technology to at least one manufacturer.
The idea is to make a chip-scale atomic frequency reference.

-- Tom, N5EG



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