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Browsing Mestrado em Física (Dissertações) by Title

Browsing Mestrado em Física (Dissertações) by Title

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  • Brito, Charles Dias de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4405612J9 (Universidade Federal de Juiz de ForaBrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2015-02-24)
    In this present study was performed a conformational search of stearic fatty acids, oleic, palmitic, alcohol glycerol and the triacylglycerol (TAG) that is formed by the junction of the three acids above with glycerol. ...
  • Rodrigues, Luíz Guilherme Rezende; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4474830E3 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2015-07-31)
    In this dissertation we study a classical noncommutative cosmological model with a Friedmann-Robertson-Walker metric. The spatial sections may have positive (k = 1), negative (k = —1) or zero (k = 0) constant curvature. ...
  • Gomes, Delvany de Castro; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4325248J6 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2017-02-20)
    In this work the dynamics of the reactive collision between two radicals NH was studied. For this, the methodology of the quasiclassical trajectories (QCT) as implemented in the MERCURY code and a potential global energy ...
  • Ferreira, Paulo José Gonçalves; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4275375P1 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2013-07-26)
    This work presents a set of results, obtained by computer simulation, for the Young modulus of (6; 6) armchair type carbon nanotubes. Cases covered are the (6; 6) perfect nanotube; with vacancy structural defects; with ...
  • Vaz, Afonso Ricardo; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4032196T6 (Universidade Federal de Juiz de ForaBrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2016-02-29)
    We have analyzed a non-commutative classic cosmological model using the ADM formulation for a homogeneous and isotropic universe with constant curvature of space sections (k) that can be positive, negative or zero. The ...
  • Aparecida, Fellipe Lara; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4522690J1 (Universidade Federal de Juiz de ForaBrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2013-04-30)
    This work aims to develop a computer code for geometry optimization of metal clusters. For the optimization of the coordinates we used the nonlinear conjugate gradient method. To describe the interactions between atoms ...
  • Gomes, Tiago Francisco Pinheiro; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4481299A0 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2014-05-30)
    The purpose of this work is to present a method called Embedded Atom Method (EAM), in which the energy of a system of particles grouped in a solid solution or metallic alloys is obtained. Based on calculations ab initio ...
  • Lisboa, Jakeline Duque de Moraes; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4249928D2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de Educação FísicaPrograma de Pós-graduação em Educação FísicaUFJF, 2010-04-30)
    Concerns about the body occupy a prominent place in the contemporary world. Physical exercises are in the routine of much of the population for many reasons: health, aesthetics, socialization, playfulness, and others. Gyms ...
  • Faraco, Thales Alves; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4476831E3 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2015-02-27)
    Phosphate glasses are technologically important materials due to their physical and chemical properties and can be applied in optical systems by co-doping with rare earth ions and metallic nanoparticles. In this work the ...
  • Oliveira, Raphael Taligliatt de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4238302E6 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2011-07-29)
    In order to establish an experimental research line on Atomic Collisions (study of ion/atom, molecule scattering) and Surface Physics (implantation of techniques of surface analysis by impact of ions) at the Physics ...
  • Silva, Isis Lee da; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4384575P5 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2017-07-31)
    Sapphires are commercially synthesized since 1902, but only in 1982 the crystal Ti:Sapphire began to be used as an active medium of optical cavities. Currently one of the leading ultrafast lasers with femtosecond pulses ...
  • Silva, Patrick Paolo; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4861780T9 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2018-02-19)
    Alternative formulations for the description of fluid dynamics have been shown to be of major importance. From these last ones, we call attention to the Maxwell-type set of equations, which have as main variables the ...
  • Silva, Jessica Ferreira da; http://lattes.cnpq.br (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2018-02-23)
    The H2S+ reaction has played prominent role in many interesting areas of research, such as electric discharges, interstellar processes, planetary ionospheres and so on. This fact has created a great interest in the scienti ...
  • Silva, Marcelo Gomes da; http://lattes.cnpq.br (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2018-03-23)
    In this work were carried out for the first time total cross section (SCT) measurements for electron scattering by 1-butanol molecules, in the impact energy range from 100 eV to 400 eV. These measurements were carried ...
  • Mendonça, João Paulo Almeida de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4497468U7 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2016-02-29)
    It is easy to realize the attention that graphene has gained in the scientific community. This material has become the focus of several research groups because of their excellent physical properties and the fact that its ...
  • Pires, Wesley Augusto Dias; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4474273E6 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2016-03-04)
    The ionization and ion fragmentation of methanol and ethanol induced by electron impact were investigated in this work, using a HIDEN quadrupole mass spectrometer. Once, it is the first time that this spectrometer was used ...
  • Salles, Filipe de Oliveira; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4744804Y1 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2011-02-15)
    The need to consider quantum effects and the presence of singularities in the solutions of general relativity indicate the desire necessary to study different models of modified gravity. In addition there is a hope of using ...
  • Gomes, Josiel Carlos de Souza; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4474358Z7 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2015-02-26)
    Nanotechnology is a promising field of study and show us pretty amazing results. Magnetic samples (Cobalt and alloy Permalloy (81NiFe19), for example) at the nanometer scale, have as important applicability the magnetic ...
  • Abreu, Thiago Moralles de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4411137P3 (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2016-06-24)
    In this thesis we present a detailed review of some cosmological models, including the theory of linear cosmological perturbations for two distinct models which represent certain interest from the point of view of possible ...
  • Silva, Helen; http://lattes.cnpq.br (Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em FísicaUFJF, 2006-07-31)
    Molecular studies using near threshold excitation electron impact allow to investigating several states such as weakly-bound Rydberg states of high angular momentum. Threshold electron studies also are useful to determine ...