Visualitza QFA_Articles per autoria "45aec9ba-117e-44bb-8ad7-b17774e9f41d"
Ara mostrant els elements 1-14 d 14
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A Combined Experimental and Theoretical Study on the Formation of Ag Filaments on β-Ag 2 MoO 4 Induced by Electron Irradiation
Andres, Juan; Ferrer, Mateus M.; Gracia, Lourdes; Beltran, Armando; Longo, V. M.; Cruvinel, Guilherme Henrique; Tranquilin, R. L.; Longo, Elson Wiley-VCH Verlag (2015)A combined experimental and theoretical study is presented to understand the novel observed nucleation and early evolution of Ag fi laments on β-Ag 2 MoO 4 crystals, driven by an accelerated electron beam from an electronic ... -
alpha-Ag2-2xZnxWO4 (0 <= x <= 0.25) Solid Solutions: Structure, Morphology, and Optical Properties
Pereira, Paula; Santos, Clayane C.; Gouveia, Amanda; Ferrer, Mateus M.; Pinatti, Ivo M; Botelho, Gleice; Sambrano, Julio; Rosa, Ieda; Andres, Juan; Longo, Elson American Chemical Society (2017-06)A theoretical study was elaborated to support the experimental results of the Zn-doped α-Ag2WO4. Theses α-Ag2–2xZnxWO4 (0 ≤ x ≤ 0.25) solid solutions were obtained by coprecipitation method. X-ray diffraction data indicated ... -
Comprehensive experimental and theoretical studies on the synthesis and characterization of electrodeposited nanostructured Cu2O thin films
Gonçalves, Cristiane B.; Da Silva, Rafael T.; Dalenogare, Gustavo; Gonzaga, Isabelle M.D.; Mascaro, Lucia; Ferrer, Mateus M.; Assis, Marcelo de; Longo, Elson; de Carvalho, Hugo B.; Doriguetto, Antonio Carlos Elsevier (2023-11-01)In this study, we present a comprehensive analysis of the morphology, microstructure, and optical properties of electrodeposited Cu2O thin films on SnO2:F (FTO) substrates. The films were synthesized using the galvanostatic ... -
Computational procedure to an accurate DFT simulation to solid state systems
Gomes, Eduardo O.; da Silva Lopes Fabris, Guilherme; Ferrer, Mateus M.; Motta, Fabiana Villela; Bomio, Mauricio; Andres, Juan; Longo, Elson; Sambrano, Julio Elsevier (2019-12)The density functional theory has become increasingly common as a methodology to explain the properties of crystalline materials because of the improvement in computational infrastructure and software development to perform ... -
Laser/Electron Irradiation on Indium Phosphide (InP) Semiconductor: Promising Pathways to In Situ Formation of Indium Nanoparticles
Assis, Marcelo de; Guerra Macedo, Nadia; Machado, Thales Rafael; Ferrer, Mateus M.; Gouveia, Amanda; Cordoncillo, Eloisa; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Leite, Edson R.; Sambrano, Julio; Andres, Juan; Longo, Elson Wiley (2018)In the current study, whether femtosecond laser and electron beam irradiation of indium phosphide (InP) are “green,” fast, and effective methods to produce metallic In nanoparticles is probed. High-resolution transmission ... -
Modeling the atomic-scale structure, stability, and morphological transformations in the tetragonal phase of LaVO4
Gouveia, Amanda; Ferrer, Mateus M.; Sambrano, Julio; Andres, Juan; Longo, Elson Elsevier (2016)In this communication, a systematic study of the surface structure, including energy management during morphological transformations of tetragonal phase of LaVO4 , has been carried out. For this study, we combined ... -
Potentiated Electron Transference in a-Ag2WO4 Microcrystals with Ag Nanofilaments as Microbial Agent
Longo, V. M.; Foggi, Camila Cristina; Ferrer, Mateus M.; Gouveia, Amanda; André, Rafaela S.; Avansi, Waldir; Vergani, Carlos; Machado Maciel, Ana Lúcia; Andres, Juan; Cavalcante, Laécio Santos; Hernandes, Antônio C.; Longo, Elson American Chemical Society (2014-02)This study is a framework proposal for understanding the antimicrobacterial effect of both α-Ag2WO4 microcrystals (AWO) synthesized using a microwave hydrothermal (MH) method and α-Ag2WO4 microcrystals with Ag metallic ... -
Quantum Mechanics Insight into the Microwave Nucleation of SrTiO3 Nanospheres
Moreira, Mario Lucio; Longo, V. M.; Avansi, Waldir; Ferrer, Mateus M.; Andres, Juan; Mastelaro, Valmor Roberto; Varela, José A.; Longo, Elson American Chemical Society (2012)An extensive investigation of strontium titanate, SrTiO3 (STO), nanospheres synthesized via a microwave-assisted hydrothermal (MAH) method has been conducted to gain a better insight into thermodynamic, kinetic, and reaction ... -
Structural and electronic analysis of the atomic scale nucleation of Ag on α-Ag2WO4 induced by electron irradiation
Andres, Juan; Gracia, Lourdes; González Navarrete, Patricio; Longo, V. M.; Avansi, Waldir; Volanti, Diogo P.; Ferrer, Mateus M.; Lemos, Pablo S.; La Porta, Felipe A.; Hernandes, Antônio C.; Longo, Elson Nature Publishing Group (2014-06)In this work, we utilise a combination of theory, computation and experiments to understand the early events related to the nucleation of Ag filaments on α-Ag2WO4 crystals, which is driven by an accelerated electron beam ... -
Synthesis of wurtzite ZnS nanoparticles using the microwave assisted solvothermal method
La Porta, Felipe A.; Ferrer, Mateus M.; Santana, Yuri V.B. de; Raubach, Cristiane W.; Longo, V. M.; Sambrano, Julio; Longo, Elson; Andres, Juan; Li, Maximo Siu; Varela, José A. Elsevier (2013-04)In this article, we report the development of an efficient and rapid microwave assisted solvothermal (MAS) method to prepare wurtzite ZnS nanoparticles at 413 K using different precursors. The materials obtained were ... -
The interplay between morphology and photocatalytic activity in ZnO and N-doped ZnO crystals
Byzynski, Gabriela; Melo, Camila; Volanti, Diogo P.; Ferrer, Mateus M.; Gouveia, Amanda; Ribeiro, Caue; Andres, Juan; Longo, Elson Elsevier (2017)Photocatalytic materials can perform oxidative and reductive reactions over their surfaces when excited with light. Intrinsic characteristics of the material such as superficial area, morphological structure, and crystalline ... -
The role of counter-ions in crystal morphology, surface structure and photocatalytic activity of ZnO crystals grown onto a substrate
Catto, Ariadne C.; Ferrer, Mateus M.; Lopes, Osmando; Mastelaro, Valmor Roberto; Andres, Juan; Da Silva, Luis F.; Longo, Elson; Avansi, Waldir Elsevier (2020-11-01)In this contribution, we present an experimental and theoretical investigation of the role of counter-ions in the crystal morphology, surface structure, and photocatalytic activity of hierarchical ZnO nanostructures. The ... -
Toward an Understanding of the Growth of Ag Filaments on a-.Ag2WO4 and Their Photoluminescent Properties: A Combined Experimental and Theoretical Study
Longo, Elson; Volanti, Diogo P.; Longo, V. M.; Gracia, Lourdes; Nogueira, Içamira C.; Almeida, M.A.P.; Pinheiro, Antonio N.; Ferrer, Mateus M.; Cavalcante, Laécio Santos; Andres, Juan American Chemical Society (2013-12)A combined experimental and theoretical study was conducted on the structure and electronic properties of α-Ag2WO4 to clarify the nucleation and growth processes of Ag filaments on α-Ag2WO4 crystals induced by electron ... -
Toward an Understanding of the Growth of Ag Filaments on α-Ag2WO4 and Their Photoluminescent Properties: A Combined Experimental and Theoretical Study
Longo, Elson; Volanti, Diogo P.; Longo, V. M.; Gracia, Lourdes; Nogueira, Içamira C.; Almeida, M.A.P.; Pinheiro, Antonio N.; Ferrer, Mateus M.; Cavalcante, Laécio Santos; Andres, Juan American Chemical Society (2013)A combined experimental and theoretical study was conducted on the structure and electronic properties of α-Ag2WO4 to clarify the nucleation and growth processes of Ag filaments on α-Ag2WO4 crystals induced by electron ...