Media type: E-Article Title: Temperature-dependent optical spectra of single-crystal (CH3NH3)PbBr3 cleaved in ultrahigh vacuum Contributor: Niesner, Daniel; Schuster, Oskar; Wilhelm, Max; Levchuk, Ievgen; Osvet, Andres; Shrestha, Shreetu; Batentschuk, Miroslaw; Brabec, Christoph; Fauster, Thomas imprint: American Physical Society (APS), 2017 Published in: Physical Review B Language: English DOI: 10.1103/physrevb.95.075207 ISSN: 2469-9950; 2469-9969 Origination: Footnote: