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Showing 1 to 5 of 5 for “"Engenharia de Nanotecnologia"”.
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Nanotermites multicamadas de Al/NiO sintetizadas por Magnetron Sputtering
… thermally formed compositions leads to a higher degree of interaction between the particles, improving the ignition and release properties of these compounds. In this work, nanostructured thermites, also called nanothermites, were synthesized and characterized in the form of multilayer thin …
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Síntese e caracterização de ligas nanocristalinas à base de cobre e zircônio com elevada capacidade de formação de estado vítreo
… of equilibrium) processes were performed in order to produce nanocrystalline materials. X-ray and scanning electron microscopy results showed that samples produced with arc melting followed by suction casting processes leads to visualization of nanometric phase and have more refined …
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Nanobiossensor a fibra óptica revestido com filme fino de ouro para detecção da bactéria Escherichia coli
… is used as indicator of fecal contamination. Depending on the species, it can be harmful to health if ingested. The main method for this microorganism detection is the bacterial culture medium that is timeconsuming and requires a laboratory with specialized personnel. Others sophisticated …
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Estudo da difusão de hidrogênio em uma liga de alta entropia (CoCrFeNiMn) equimolar e nanocristalina
… submitted to High Pressure Process (HPT), in order to produce a nanocrystalline. Characterization techniques used were: X-ray diffraction, Scanning Electron Microscopy, Atomic Force Microscope, Hydrogen gas permeation and Thermal Desorption Spectroscopy. The alloy shows a single phase structure …
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Síntese e caracterização de nanoestruturas de óxido de zinco por via úmida
… agent, use of surfactants CTAB and PEG in order to obtain materials with different morphological, structural and optical characteristics. The materials was studied by scanning electron microscopy (SEM), N2 adsorption at 77K, X-ray diffraction (XRD), X-ray fluorescence spectroscopy (FRX) and …