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Estudo comparativo entre duas teorias de perturbação dependentes do tempo em mecânica quântica
(Universidade Federal de São Carlos, 2016-02-25)
This monograph shows two perturbative methods to determine the time evolution of quantum systems described by time-depependent Hamiltonians. One method is the standard time-dependent perturbation theory usually found in ...
Obtenção e caracterização de heteroestruturas epitaxiais magnetoelétricas de [KNbO3]0,9-[BaNi1/2Nb1/2O3-𝛿]0,1 e [La0,7Sr0,3MnO3]
(Universidade Federal de São Carlos, 2016-10-07)
Magnetoelectric materials have been extensively studied in the last decade, particularly due to the applicability for sensors, attenuators, transformers and others. Hence as an objective for this work we propose a study ...
Caracterização óptica e magneto-óptica de filmes de GaPN
(Universidade Federal de São Carlos, 2016-09-13)
This project proposes a systematic study of III-V semiconductors, which are promising for integration with silicon. It consists of the characterization of GaPN film samples with different nitrogen concentrations. We ...
Estudo das propriedades ópticas de filmes finos e poços quânticos de GaAsPN/GaPN
(Universidade Federal de São Carlos, 2016-09-08)
Diluted nitride III-V semiconductor leagues have physical properties that make them
interesting for applications on optoelectronic devices. The possibility to lattice matching
GaAsPN with silicon makes this semiconductor ...
Síntese e caracterização de filmes do sistema Zn(1−x)CoxO obtidos por spray pirólise
(Universidade Federal de São Carlos, 2016-03-09)
We report a systematic study on the structural, morphological and optical properties of
Zn1−xCoxO thin films grown by spray pyrolysis. The employed nominal concentrations
were up to 15 Co %. The films were deposited on ...