Indirect Excitons and Trions in MoSe2/WSe2 van der Waals Heterostructures Calman, E. V. ; Fowler-Gerace, L. H. ; Choksy, D. J. ; Butov, L. V. ; Nikonov, D. E. ; Young, I. A. ; Hu, S. ; Mishchenko, A. ; Geim, A. K. Abstract Publication: Nano Letters Pub Date: March 2020 DOI: 10.1021/acs.nanolett.9b05086 Bibcode: 2020NanoL..20.1869C