• A second order phase transition characterized in the suppression of unlimited chaotic diffusion for a dissipative standard mapping 

  Miranda, Lucas Kenji Arima ; Moratta, Raphael ; Kuwana, Célia Mayumi ; Yoshida, Makoto ; de Oliveira, Juliano Antonio ; Leonel, Edson Denis (Chaos, Solitons and Fractals, 2022) [Artigo]

  An order parameter is identified in a dissipative standard mapping during the transition from limited to unlimited chaotic diffusion. The suppression of the unlimited chaotic diffusion is proved due to the existence of a ...

• Fractionalization of Majorana-Ising-type quasiparticle excitations 

  Sanches, J. E. ; Lustosa, L. T. ; Ricco, L. S.; Shelykh, I. A.; De Souza, M. ; Figueira, M. S.; Seridonio, A. C. (Physical Review B, 2023) [Artigo]

  We theoretically investigate the spectral properties of a quantum impurity (QI) hosting the here proposed Majorana-Ising-type quasiparticle excitation. It arises from the coupling between a finite topological superconductor ...

• Polaron-assisted electronic transport in ZnP2 nanowires 

  de Oliveira, F. M.; Cabral, L.; Villegas-Lelovsky, L. ; Lima, Matheus P.; Aragón, F. F.H.; Marques, G. E.; Chiquito, A. J.; Teodoro, M. D. (Journal of Materials Chemistry C, 2023) [Artigo]

  In this work, carrier transport in a gold-seeded zinc diphosphide nanowire fabricated by vapor-liquid-solid and photolithography techniques is investigated in detail. The presence of zinc vacancies and interstitial phosphorus ...

• Mechanical properties and deformation-driven band gap tuning on [N]-Carbophenes 

  Batista, Gabriel H. ; Psofogiannakis, George; Junkermeier, Chad E.; Paupitz, Ricardo (Computational Materials Science, 2023) [Artigo]

  A new class of two-dimensional carbon-based materials, N-carbophenes, is studied using tight binding density functional theory. The present study addresses the influence of strain on band gap opening for N-Carbophenes where ...

• Evidence of progressive Fe2+ to Fe3+oxidation in Fe2+-doped ZnO nanoparticles 

  Aragón, F. F.H.; Villegas-Lelovsky, L. ; Parizaka, J. G.; Zela, E. G.; Bendezu, R.; Gallegos, R. O.; Pacheco-Salazar, D. G.; da Silva, S. W.; Cohen, R.; Nagamine, L. C.C.M. et al. (Materials Advances, 2023) [Artigo]

  Oxide-diluted magnetic semiconductors have received considerable attention in diverse scientific and technological fields because they combine the optoelectronic properties of the hosting semiconductor with the magnetic ...

• Bifurcations, relaxation time, and critical exponents in a dissipative or conservative Fermi model 

  Rando, Danilo S. ; Martí, Arturo C.; Leonel, Edson D. (Chaos, 2023) [Artigo]

  We investigated the time evolution for the stationary state at different bifurcations of a dissipative version of the Fermi-Ulam accelerator model. For local bifurcations, as period-doubling bifurcations, the convergence ...

• Synthesis and properties of Cerium-doped organic/silica xerogels: A potential UV filter for photovoltaic panels 

  Sandrini, Marcelo; Gemelli, Jefferson Cristiano; Gibin, Mariana Sversut; Zanuto, Vitor Santaella; Muniz, Robson Ferrari; de Vicente, Fábio Simões ; Belançon, Marcos Paulo (Journal of Non-Crystalline Solids, 2023) [Artigo]

  The UV-induced polymeric encapsulant degradation in the photovoltaic panel is a challenge in extending the operating lifetime of such devices. To overcome that, an anti-reflective coating material that blocks the UV incidence ...

• ZnO-based electrolyte-gated transistor (EGT) applied as multiparametric UV-sensing device 

  Vieira, Douglas Henrique ; Nogueira, Gabriel Leonardo ; Morais, Rogério Miranda ; Fugikawa-Santos, Lucas ; Seidel, Keli Fabiana; Alves, Neri (Sensors and Actuators A: Physical, 2022) [Artigo]

  Transistors based in solution-processable semiconducting metal oxides stands out for disposable, printed and wearable electronics. Here we report a transparent and printed ZnO-based electrolyte-gated transistor (EGT), using ...

• Multiple Reflections for Classical Particles Moving under the Influence of a Time-Dependent Potential Well 

  Graciano, Flávio Heleno ; da Costa, Diogo Ricardo ; Leonel, Edson D. ; de Oliveira, Juliano A. (Entropy, 2022) [Artigo]

  We study the dynamics of classical particles confined in a time-dependent potential well. The dynamics of each particle is described by a two-dimensional nonlinear discrete mapping for the variables energy (Formula presented.) ...

• Circulating levels of vascular endothelial growth factor in patients with Alzheimer's disease: A case-control study 

  Silva, Thays Martins Vital da ; Stein, Angelica Miki ; Coelho, Flávia Gomes de Melo ; Rueda, Andre Veloso; Camarini, Rosana; Galduróz, Ruth Ferreira (Behavioural Brain Research, 2023) [Artigo]

  Background: Vascular endothelial growth factor (VEGF) and platelets seem to reflect the Alzheimer's disease (AD) associated either with vascular impairment or disease. This study aimed to compare the circulating levels of ...

• Valence state, lattice incorporation, and resulting magnetic properties of Ni in Zn/Co-based magnetic oxides 

  Ney, V.; Henne, B.; Souza, M. de ; Jantsch, W.; Johansen, K. M.; Wilhelm, F.; Rogalev, A.; Ney, A. (Journal Of Applied Physics, 2023) [Artigo]

  Ni incorporation has been studied in a comprehensive range of Zn/Co-based magnetic oxides to elucidate its valence state and lattice incorporation. The resulting structural and magnetic properties of a range of related ...

• An Investigation of the Chaotic Transient for a Boundary Crisis in the Fermi-Ulam Model 

  Leonel, Edson D. ; Marques, Murilo F. ; Macau, EEN (Mathematical Modeling Approach From Nonlinear Dynamics To Complex Systems, 2019) [Artigo]

• Tunable Orbits Influence in a Driven Stadium-Like Billiard 

  Livorati, Andre L. P. ; Macau, EEN (Mathematical Modeling Approach From Nonlinear Dynamics To Complex Systems, 2019) [Artigo]

• OBTAINING MAGNETIC AND ELECTRIC INFORMATION ON ORGANIC SYSTEMS USING ELECTRON SPIN RESONANCE 

  Walmsey, L.; Tamayo, K. B. (Magnetic Properties Of Solids, 2009) [Artigo]

  A very rich diversity of magnetic ordering can be found in organic systems, and in many of these systems an electron spin resonance (ESR) line can be observed even at room temperature. This fact allows a great deal of ...

• MULTIPLE ACTIVE LEVELS IN Bi12TiO20 CRYSTALS 

  Freschi, A. A. ; Donatti, D. A. ; Frejlich, J. (Optics InfoBase Conference Papers, 2001) [Trabalho apresentado em evento]

  The existence of multiple active levels in a photorefractive Bi12TiO20 crystal is here investigated at 514.5nm wavelength. We carry out two-wave mixing experiments using symmetrically incident beams of equal intensities. ...

• Break-up of invariant curves in the Fermi-Ulam model 

  Hermes, Joelson D.V. ; dos Reis, Marcelo A.; Caldas, Iberê L.; Leonel, Edson D. (Chaos, Solitons and Fractals, 2022) [Artigo]

  The transport of particles in the phase space is investigated in the Fermi-Ulam model. The system consists of a particle confined to move within two rigid walls with which it collides. One is fixed and the other is ...

• Topological charge Fano effect in multi-Weyl semimetals 

  Silva, W. C. ; Mizobata, W. N. ; Sanches, J. E. ; Ricco, L. S.; Shelykh, I. A.; De Souza, M. ; Figueira, M. S.; Vernek, E.; Seridonio, A. C. (Physical Review B, 2022) [Artigo]

  We theoretically analyze the Fano interference in a single impurity multi-Weyl semimetal hybrid system and show the emergence of the topological charge Fano effect in the bulk local density of states. In multi-Weyl semimetals, ...

• Tuning intrinsic defects in ZnO films by controlling the vacuum annealing temperature: An experimental and theoretical approach 

  Paz-Corrales, K. J.; Vilca-Huayhua, C. A.; Aragón, F. F.H.; Villegas-Lelovsky, L. ; Coaquira, J. A.H.; Da Silva, S. W.; Marques, G. E.; Teodoro, M. D.; Pacheco-Salazar, D. G. (Physica Scripta, 2022) [Artigo]

  The control of native defects in the ZnO material is strongly important for a wide range of technological applications. In this paper, native defects are tuned via the post-thermal treatment of ZnO films in a high vacuum ...

• Basin sizes depend on stable eigenvalues in the Kuramoto model 

  Mihara, Antonio; Zaks, Michael; Macau, Elbert E. N.; Medrano-T, Rene O. (Physical Review E, 2022) [Artigo]

  We show that for the Kuramoto model (with identical phase oscillators equally coupled), its global statistics and size of the basins of attraction can be estimated through the eigenvalues of all stable (frequency) synchronized ...

• Bi-chromaticity and tunability of random lasing in mesoporous silica SBA16 doped with rhodamine B 

  Melo, Leandro A.; Prado, Marcus V. A.; Vicente, Fábio S. de ; Moreno, Leandro X. ; Rodrigues Jr, José Joatan; Alencar, Márcio A. R. C. (Laser Physics, 2022) [Artigo]

  The random laser emission from ordered mesoporous silica SBA16 doped with rhodamine B (RB) organic dye was investigated. Powdered SBA16 with 16 nm average pore diameter have been synthesized and doped with five different ...

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