I saw that about the N atom trapped inside a C60 molecule, but also took note of the present cost of the material. I wonder how much is going to be required to make a good standard.
Dana On Fri, Dec 8, 2017 at 11:40 AM, Tom McDermott <[email protected]> wrote: > 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 > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
