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Síntese e estudo das propriedades físicas de grafite ferromagnético fluido nanoestruturado
(Universidade Federal de São Carlos, 2014-03-28)
Estudo teórico do efeito de micro-solvatação na molécula ácido orto-Aminobenzóico (o-Abz)
(Universidade Federal de São Carlos, 2013-08-27)
In this work we analyzed the effect microsolvation in the electronic properties of the molecule ortho-aminobenzóic (o-Abz) in the gas phase using the solvent water. For this we considered two situations, one in that the ...
Otimização e validação de metodologias analíticas em GC-MS aplicadas à biodegradação de poluentes orgânicos persistentes e óleo essencial de pimentas
(Universidade Federal de São Carlos, 2019-02-26)
Recently, a large number of compounds have been synthesized in order to bring comfort and convenience to everyday life. These products, however, produce a large amount of daily waste that are released into the environment ...
Detecção de ataques a sistemas de reconhecimento facial utilizando abordagens eficientes de aprendizado de máquina em profundidade
(Universidade Federal de São Carlos, 2019-05-21)
Biometrics emerged, in the last decades, as a robust and convenient solution for security systems. However, despite the higher difficulty to circumvent the biometric applications, nowadays, criminals are developing attacks, ...
Contraste entre propriedades optoeletrônicas em estruturas de tunelamento ressonante n-i-n baseadas em GaAs
(Universidade Federal de São Carlos, 2019-05-15)
Resonant Tunneling Diodes (RTDs) are semiconductor devices usually composed of two barrier structures embedding a single quantum well (QW) and highly doped layers in its extremities. Under an applied bias voltage, the ...
Avaliação química da qualidade de couros e efluentes de curtume
(Universidade Federal de São Carlos, 2019-04-02)
For the transformation of animal skin into leather, a stable and not putrescible material, various chemicals are used to produce a material with good quality and appearance. Because it presents low cost and generates high ...
Estudo da alumina anódica porosa como sensor para diferentes gases
(Universidade Federal de São Carlos, 2013-04-18)
In this project we studied the porous anodic alumina as a possible application in gas sensors with high sensitivity. Initially we seek a configuration of anodic porous alumina (PA) and the type of gas or vapor in which ...
Relaxação estrutural em ligas vítreas e parcialmente cristalizadas do sistema Cu-Zr-Al através da técnica de espectroscopia mecânica
(Universidade Federal de São Carlos, 2013-11-08)
In recent years the study of bulk metallic glasses (BMG) is being of great scientific and technological interest due to their unique properties (the lack of long range atomic order in the structure and compositional ...
Modelagem computacional de estruturas de poços quânticos semicondutores para dispositivos optoeletrônicos e spintrônicos
(Universidade Federal de São Carlos, 2014-01-29)
In the present thesis, we realize a computational modeling of semiconductor structures based on multiple quantum wells with filter barriers and on quantum wells with semiconductor diluted magnetic layers. We numerically ...
Contribuições ao estudo do transporte eletrônico em nanofios semicondutores : localização e estados de interface
(Universidade Federal de São Carlos, 2013-04-11)
In this work, we studied the influence of surface charges on the properties (especially electronic transport) of semiconductor nanowires and nanobelts via computer simulations and also they were compared to experimental ...