Self Excitation of Nano-Mechanical Pillars
http://arxiv.org/pdf/0708.1646
Silicon nanopillars for mechanical single-electron transport
Ultrasonically driven nanomechanical single-electron shuttle
http://www.nano.physik.uni-muenchen.de/publikationen/2008/08-22_Koenig_natnanotechn.pdf
Nanomechanical electron shuttle consisting of a gold nanoparticle embedded within the gap between two gold electrodes
http://prb.aps.org/abstract/PRB/v79/i24/e241403