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In-situ strain tuning of the metal-insulator-transition of Ca2RuO4

Published on October 31, 2018

We studied the evolution of the k-space electronic structure of bulk Ca2RuO4, lightly doped with Pr, under uniaxial strain. Using ultrathin plate-like crystals, we achieve uniaxial strain levels up to−4.1%, sufficient to suppress the insulating Mott phase and access the previously unexplored electronic structure of the metallic state at low temperature.

Nature Communications volume 9, Article number: 4535 (2018)