| Authors: |
Ni GX; Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, Singapore 117546, Singapore.; Department of Physics, University of California, San Diego, La Jolla, California 92093, USA., Wang H; State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road Shanghai 200050, China., Wu JS; Department of Physics, University of California, San Diego, La Jolla, California 92093, USA., Fei Z; Department of Physics, University of California, San Diego, La Jolla, California 92093, USA., Goldflam MD; Department of Physics, University of California, San Diego, La Jolla, California 92093, USA., Keilmann F; Ludwig-Maximilians-Universität and Center for Nanoscience, 80539 München, Germany., Özyilmaz B; Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, Singapore 117546, Singapore., Castro Neto AH; Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, Singapore 117546, Singapore., Xie XM; State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road Shanghai 200050, China., Fogler MM; Department of Physics, University of California, San Diego, La Jolla, California 92093, USA., Basov DN; Department of Physics, University of California, San Diego, La Jolla, California 92093, USA. |