Samarium-substituted bismuth ferrite (SmxBi1-xFeO3) compositions comprise a system of important materials due to their combination of multiferroic properties. Several dielectric and charge transport reports in literature can be found in this system. However, as a typical polycrystalline electroceramic, their grains and grain boundaries (GBs) are expected to possess very different properties. To this date, these distinctions have not been performed on this system. In this work, through measurements via impedance spectroscopy on SmxBi1-xFeO3 thin films, we show that using a brick layer model allows the separation of the electrical properties of grains and GBs. Results indicate that grains have dielectric permittivity and electrical conductivity much higher than GBs. Their properties mostly control the characteristics observed in the studied thin films. The introduction of samarium reduces the electrical conductivity and increases the activation energies for charge transport in grains and GBs. In turn, dielectric permittivity is reduced in grains and subtly increased in GBs

trabalho visa uma análise da ocorrência dessas patologias na região. Trata-se de um estudo epidemiológico transversal e quantitativo à partir da análise de prontuários médicos feitos pela clínica São Lucas, que atende planos de sáude, SUS e particular. O resultado não foi parecido com a literatura mundial, concluindo que, existem particularidades nesse teste quando feito por oftalmologista.