Weber CSB, Tavares A, de Araújo BB, Costa RO, Manhabosco TM, Postacchini BB, Vieira AA, Cazati T, Merlo AA. Rod-shaped cyanoacrylic derivatives with D-π-A architecture: synthesis, thermal, photophysical and theoretical studies. Liquid Crystals [Internet]. 2022 :1-11. Publisher's Version
Pinto AKM, Pontes JM, Matos MJS, Mazzoni MSC, Azevedo S. BCN diamondol-like compounds: Stability trends and electronic properties. Computational Materials Science [Internet]. 2022;215 :111737. Publisher's VersionAbstract
In this work we apply first principles calculations to investigate the stability trends of mixed boron, nitrogen and carbon diamondol-like compounds. Several distinct geometric models are tested by varying the stoichiometry and position of boron and nitrogen dopants. We verify the special stability of a complete boron nitride compound – the bonitrol –, and we show that carbon substitutions in the bonitrol structure may also lead to stable systems. The electronic characterization of the resulting compounds indicates a rich phenomenology, with metallic, semimetallic, half-metallic and semiconducting behaviors.
GOMES LL, Guimarães MHU, CRUZ LHC. A FORMAÇÃO CONTINUADA DE PROFESSORES EM TEMPOS DA PANDEMIA DO COVID-19: CONTRIBUIÇÕES DA NEUROCIÊNCIA APLICADA À EDUCAÇÃO. Formação Docente – Revista Brasileira de Pesquisa sobre Formação de Professores [Internet]. 2022;14 (30) :197–210. Publisher's Version
Rosa BLT, Fujisawa K, Santos JCC, Zhang T, Matos MJS, Sousa FB, Barbosa TC, Lafeta L, Ramos SLLM, Carvalho BR, et al. Investigation of spatially localized defects in synthetic $\mathrmWS_2$ monolayers. Phys. Rev. B [Internet]. 2022;106 :115301. Publisher's Version
Velten H, Delladea D, Primola A. Um critério energético para o desenvolvimento de vida em um exoplaneta. Cadernos de Astronomia [Internet]. 2022;3 (2) :59–65. Publisher's Version
Almeida AMR, Fabris JC, Daouda MH, Kerner R, Velten H, Hipólito-Ricaldi WS. Brans–Dicke Unimodular Gravity. Universe [Internet]. 2022;8 (8). Publisher's VersionAbstract
We propose a unimodular version of the Brans–Dicke theory designed with a constrained Lagrangian formulation. The resulting field equations are traceless. The vacuum solutions in the cosmological background reproduce the corresponding solutions of the usual Brans–Dicke theory but with a cosmological constant term. A perturbative analysis of the scalar modes is performed and stable and unstable configurations appear, in contrast with the Brans–Dicke case for which only stable configurations occur. On the other hand, tensorial modes in this theory remain the same as in the traditional Brans–Dicke theory.
Figueiredo MTD, Ferreira GMD, Lopez MAR, das Graças Cardoso M, de Oliveira JE, Bianchi RF, Ferreira GMD, Mageste AB. Immobilization of Anthocyanin in Polymeric Film to Obtain a Colorimetric Sensor for Detection of Copper in Cachaça. Food Analytical Methods. 2022 :1–19.
da Silva Lima G, de Souza LV{\'ıcio, Farias MR, Caldeira AG, de Andrade Aoyama E. CONHECIMENTO DOS ADOLESCENTES COM RELA\cCÃO ÀS INFEC\cCÕES SEXUALMENTE TRANSMISSÍVEIS. Revista Brasileira Interdisciplinar de Saúde. 2022.
da Silva FBR, Araújo FGS, von Krüger FL, Silva GJB, Batista RJC, Manhabosco T{\'ıse M. Characterization of Magnetic Tailings from Phosphate-Ore Processing in Alto Parana{\'ıba. Materials Research. 2022;25.
Franca LG, dos Santos PL, Pander P, Cabral MGB, Cristiano R, Cazati T, Monkman AP, Bock H, Eccher J. Delayed Fluorescence by Triplet–Triplet Annihilation from Columnar Liquid Crystal Films. ACS Applied Electronic Materials [Internet]. 2022 :null. Publisher's Version
Fabris JC, Alvarenga MH, Hamani-Daouda M, Velten H. Nonconservative unimodular gravity: a viable cosmological scenario?. The European Physical Journal C [Internet]. 2022;82 (6) :522. Publisher's VersionAbstract
In this work we review the issue of imposing the conservation of the energy–momentum tensor as a necessary condition to recover the equivalence between the unimodular gravity and General Relativity (GR) equipped with a cosmological constant. This procedure is usually interpreted as an ad hoc imposition on the unimodular theory's structure. Whereas the consequences of avoiding the conservation of the total energy–momentum tensor has been already introduced in the literature, it has been not widely explored so far. We study an expanding universe sourced by a single effective perfect fluid such that the null divergence of its energy–momentum tensor is not imposed. As we shall show, in this scheme, the unimodular theory has its own conservation equation obtained from the Bianchi identities. We explore the evolution of the homogeneous and isotropic expanding background and show that a viable cosmological scenario exists. Also, we consider scalar perturbations with particular attention given to the gauge issue. We show that contrary to the traditional unimodular theory where the synchronous and longitudinal (newtonian) gauge for cosmological perturbations are not permitted, if the conservation of the energy–momentum is relaxed the scalar perturbations in the synchronous condition survive and present a growing mode behavior. We study therefore a new cosmological scenario in which the dynamics of the universe transits from the radiative phase directly to a accelerated one but allowing thus for structure formation.
Batista AB, Stanley M, de Brito ACF, Vasconcellos R, Munk M, José-Bueno M, Godoy C, de Alvarenga ÉC, de Vasconcelos CKB, Righi A, et al. Improved bioceramic coatings reinforced by nanostructured talc. Surface and Coatings Technology [Internet]. 2022;441 :128589. Publisher's VersionAbstract
Nano-talc was successfully incorporated in the hydroxyapatite matrix via pulsed electrodeposition after being obtained using an eco-friendly liquid-phase exfoliation process. Scanning electron microscopy, atomic force microscopy, X-ray spectroscopy, Raman spectroscopy, corrosion and wear resistance, and cytocompatibility tests were used to characterize the biocomposite ceramics. Talc significantly improves the nanomechanical and wear properties of bioceramics (i.e., higher stiffness, reduced friction coefficient, and lower wear damage) as well as corrosion resistance. Talc does not induce cytotoxic activity in in vitro cells and may induce bone maturation as per biocompatibility tests.
Fazolo RE, Amendola L, Velten H. Skewness as a test of dark energy perturbations. Phys. Rev. D [Internet]. 2022;105 :103521. Publisher's Version
Martins LGP, Carvalho BR, Occhialini CA, Neme NP, Park J-H, Song Q, Venezuela P, Mazzoni MSC, Matos MJS, Kong J, et al. Electronic Band Tuning and Multivalley Raman Scattering in Monolayer Transition Metal Dichalcogenides at High Pressures. ACS Nano [Internet]. 2022 :null. Publisher's Version
Gomes AH. Deformations of the canonical commutation relation and Lorentz symmetry violation. arXiv preprint arXiv:2205.02044. 2022.
Omwoyo E, Belich H, Fabris JC, Velten H. Remarks on the black hole shadows in Kerr-de Sitter space times. The European Physical Journal C. 2022;82 (5) :1–17.
Guimarães MHU, Muramatsu M, Passos MM. UMA ANÁLISE CRÍTICA SOBRE A IMPLEMENTA\cCÃO DO SCALE-UP NO INSTITUTO DE FÍSICA DA UNIVERSIDADE DE SÃO PAULO. Experiências em Ensino de Ciências. 2022;17 (1) :57–75.
de Lima FP, Guimarães MHU, Passos MM. Astronomical phenomena: a teaching proposal. Research, Society and Development [Internet]. 2022;11 (6) :e15211629011. Publisher's Version
Ferrari GA, Chacham H, de Oliveira AB, Matos MJS, Batista RJC, Meireles LM, Barboza APM, Silvestre I, Neves BRA, Lacerda RG. Graphene nanoencapsulation action at an air/lipid interface. Journal of Materials Science. 2022 :1–10.
Pereira NM, Rezende NP, Cunha THR, Barboza APM, Silva GG, Lippross D, Neves BRA, Chacham H, Ferlauto AS, Lacerda RG. Aerosol-Printed MoS2 Ink as a High Sensitivity Humidity Sensor. ACS Omega [Internet]. 2022 :null. Publisher's Version