Hi,
Here are some links:
http://prl.aps.org/abstract/PRL/v98/i25/e252501
http://www.phys.ncku.edu.tw/mirrors/...cay_rates.html
http://www.hps.org/publicinformation/ate/q7843.html
I think that if you had some kind of ellipsoidal egg-shaped version of the buckyball, then this could be used to concentrate charge a little more asymmetrically, so that one side of a nucleus would be exposed to higher or lower electron density than the other.
Or what about NEET?
http://focus.aps.org/story/v6/st8