Solution epitaxy of polarization-gradient ferroelectric oxide films with colossal photovoltaic current.

ABSTRACT: Solution growth of single-crystal ferroelectric oxide films has long been pursued for the low-cost development of high-performance electronic and optoelectronic devices. However, the established principles of vapor-phase epitaxy cannot be directly applied to solution epitaxy, as the interactions between the substrates and the grown materials in solution are quite different. Here, we report the successful epitaxy of single-domain ferroelectric oxide films on Nb-doped SrTiO₃ single-crystal substrates by solution reaction at a low temperature of ~200 ^oC. The epitaxy is mainly driven by an electronic polarization screening effect at the interface between the substrates and the as-grown ferroelectric oxide films, which is realized by the electrons from the doped substrates

SUBMITTER: Lin C 

PROVIDER: S-EPMC10126087 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature