Perhaps the first experiment to try would be to build a diffraction grating in a diamond surface using differential doping of C13 in a C12 diamond crystal. At 09:30 AM 5/30/2016, Henry Baker wrote:
Over the past several years, I've been pondering the possibility of using solid lattices of differing isotopes as digital storage devices -- e.g., for permanent ROM storage, at least. However, up until your email, I was having difficulty figuring out how to *read out* these data.
Thanks to the differing properties of C12 and C13, it should be possible to arrange patterns of such isotopes on a diamond surface that could essentially "read itself out" -- i.e., produce a train of signals that reliably describe the pattern of C12 and C13 atoms encoded in that surface.