Synthesis and characterization of melanin in DMSO Abstract: Recently soluble melanin derivatives have been obtained by a synthetic procedure carried out in DMSO (D-melanin). In this work a comparative study of the structural characteristics of […]
Sr2CeO4: Electronic and structural properties Abstract: This work presents on the preparation and photoluminescent properties of Sr2CeO4 obtained from the heat treatment of Ce(III)-doped strontium oxalate (10, 25 and 33 mol%). The oxalate precursors were […]
O Instituto Serrapilheira – instituição privada criada em 2017 para o fomento à Ciência – compartilhou no dia 1º de agosto o resultado do processo seletivo para o seu primeiro programa de apoio à divulgação […]
Rapid preparation of alpha-FeOOH and alpha-Fe2O3 nanostructures by microwave heating and their application in electrochemical sensors Abstract: α-FeOOH (goethite) and α-Fe2O3 (hematite) nanostructures have been successfully synthesized using the microwave-assisted hydrothermal (MAH) method and by […]
Grain-Boundary Resistance and Nonlinear Coefficient Correlation for SnO2-Based Varistors Abstract: This work has focused on the electrical and microstructural properties of Nb2O5-doped SnO2-MnO2 ceramics. The pellets were prepared by solid-state reaction method according to the […]
Nanoscale investigation of ferroelectric and piezoelectric properties in (Pb,Ca)TiO3 thin films grown on LaNiO3/LaAlO3(100) and Pt/Si(111) using piezoresponse force microscopy Abstract: Single phase polycrystalline and strong textured Pb0.76Ca0.24TiO3 (PCT24) thin films have been grown on […]
Durante a reunião do Conselho Nacional de Ciência e Tecnologia, realizada em Brasília no dia 1º de agosto, foi divulgada a lista de novos membros e de membros promovidos de classe na Ordem Nacional do […]
Synthesis and structural evolution of partially and fully stabilized ZrO2 from a versatile method aided by microwave power Abstract: We propose a simple, fast, and economical method to obtain ZrO2 powders aided by microwave heating. […]
Red-light-emitting polymer composite based on PVDF membranes and Europium phosphor using Buriti Oil as plasticizer Abstract: Rare-earth-doped phosphors immobilized in polymeric matrices find many applications like LEDs. However, little emphasis has been paid to the phosphor […]
Use of laser-induced breakdown spectroscopy for the determination of polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) concentrations in PC/ABS plastics from e-waste Abstract: Due to the continual increase in waste generated from electronic devices, the management of […]
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