Apresentação

O nosso departamento congrega docente que atuam em diversas áreas de pesquisa, notadamente Ciências dos Materiais, Física Computacional, Astrofísica, Cosmologia e Gravitação, Big Bang, Matéria Escura, Energia Escura, Relatividade Geral e teorias gravitacionais alternativas.. Temos um curso de bacharelado em física com ênfases em ciências dos materiais e física básica e um curso de Licenciatura em Física. Atuamos nos cursos de Pós-graduação em Física de Materiais (FIMAT), Rede Temática em Engenharia de Materiais - REDEMAT, Mestrado Profissional em Estudo de Ciência (MPEC) e outros programas em colaboração com outros departamentos da UFOP. 

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Publicações Recentes do Departamento de Física

Souza ACR, Matos MJS, Mazzoni MSC. Interplay between structural deformations and flat band phenomenology in twisted bilayer antimonene. RSC Adv. [Internet]. 2021;11 :27855-27859. Publisher's VersionAbstract
In this work we apply first principles calculations to investigate the flat band phenomenology in twisted antimonene bilayer. We show that the relatively strong interlayer interactions which characterize this compound have profound effects in the emergence and properties of the flat bands. Specifically, when the moiré length becomes large enough to create well defined stacking patterns along the structure, out-of-plane displacements take place and are stabilized in the regions dominated by the AB stacking, leading to the emergence of flat bands. The interplay between structural and electronic properties allows for detection of flat bands in higher twist angles comparable to other two-dimensional materials. We also show that their energy position may be modulated by noncovalent functionalization with electron acceptor molecules.
Nicomedes DNN, Mota LM, Vasconcellos R, Medrado NV, de Oliveira M, de Alvarenga ÉC, Juste KRC, Righi A, Manhabosco SM, Silva GJB, et al. Comparison between hydroxyapatite/soapstone and hydroxyapatite/reduced graphene oxide composite coatings: Synthesis and property improvement. Journal of the Mechanical Behavior of Biomedical Materials [Internet]. 2021;121 :104618. Publisher's VersionAbstract
Economic viability and eco-friendliness are important characteristics that make implants available to the population in a sustainable way. In this work, we evaluate the performance of a low-cost, widely available, and eco-friendly material (talc from soapstone) relative to reduced graphene oxide as reinforcement to brittle hydroxyapatite coatings. We employ a low-cost and straightforward technique, electrodeposition, to deposit the composite coatings on the titanium substrate. Corrosion, wear, and biocompatibility tests indicate that the reduced graphene oxide can be effectively replaced by talc without reducing the mechanical, anticorrosion, and biocompatible composite coatings properties. Our results indicate that talc from soapstone is a promising material for biomedical applications.
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Publicações de Livros do Departamento de Física

Maio 2024

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