Authors: Sang-Yun Lee; Matthias Widmann; Torsten Rendler; Marcus W Doherty; Thomas M Babinec; Sen Yang; Moritz Eyer; Petr Siyushev; Birgit J M Hausmann; Marko Loncar; Zoltán Bodrog; Adam Gali; Neil B Manson; Helmut Fedder; Jörg Wrachtrup Journal: Nat Nanotechnol Date: 2013-06-23 Impact factor: 39.213