Tuning the ground state of cuprate superconducting thin films by nanofaceted substrates
Giovanni Mirarchi,
Riccardo Arpaia,
Eric Wahlberg
et al.
Abstract:Anisotropic transport properties have been assessed in a number of cuprate superconductors, providing evidence for a nematic state. We have recently shown that in ultra-thin YBa2Cu3O7−δ films, where nematicity is induced via strain engineering, there is a suppression of charge density wave scattering along the orthorhombic a-axis and a concomitant enhancement of strange metal behavior along the b-axis. Here we develop a microscopic model, that is based on the strong interaction between the substrate facets and… Show more
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