Nanoscale photoconductive switching effect applied to atom probe tomography L. Zhao, A. Normand, J. Houard, I. Blum, F. Delaroche and F. Vurpillot EPL, 116 2 (2016) 27002 Published online: 22 November 2016 DOI: 10.1209/0295-5075/116/27002