The "Nature" pay-wall abstract is here: http://www.nature.com/nnano/journal/v7/n9/full/nnano.2012.128.html http://www.nature.com/nnano/journal/v7/n9/full/nnano.

The "Nature" pay-wall abstract is here: http://www.nature.com/nnano/journal/v7/n9/full/nnano.2012.128.html http://www.nature.com/nnano/journal/v7/n9/full/nnano.2012.12... The actual paper is here: http://www.nilt.com/files/pdf/PCODL_NILT_ref.pdf http://www.nilt.com/files/pdf/PCODL_NILT_ref.pdf