1 Christian Doppler Laboratory for Chemo‑Mechanical Analysis of Bituminous Materials, Institute of Materials Chemistry, TU Wien, Getreidemarkt 9/BC, 1060, Vienna, Austria. akoyun@seas.harvard.edu.
2 John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA. akoyun@seas.harvard.edu.
4 Bruker Nano-Surfaces Division, Östliche Rheinbrückenstrasse 49, 76187, Karlsruhe, Germany.
5 John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
6 Christian Doppler Laboratory for Chemo‑Mechanical Analysis of Bituminous Materials, Institute of Materials Chemistry, TU Wien, Getreidemarkt 9/BC, 1060, Vienna, Austria. hinrich.grothe@tuwien.ac.at.