Optical imaging of strain-mediated phase coexistence during electrothermal switching in a Mott insulator

Matthias Lange, Stefan Guénon, ∗ Yoav Kalchheim, 3 Theodor Luibrand, Nicolas Manuel Vargas, Dennis Schwebius, Reinhold Kleiner, Ivan K. Schuller, and Dieter Koelle Physikalisches Institut, Center for Quantum Science (CQ) and LISA, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany Center for Advanced Nanoscience, Department of Physics, University of California — San Diego, 9500 Gilman Drive, La Jolla, CA92093-0319, USA Department of Materials Science and Engineering, Technion – Israel Institute of Technology, Technion City, 32000 Haifa, Israel