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  • First principles studies of optical, electronic and mechanical properties of organic molecules and solids

    Creator:
    Barras, Faye Lyn
    Abstract:
    This thesis presents the results of quantum-mechanical first principles calculations of optical, electronic and mechanical properties of organic molecules and solids, which have diverse potential applications such as photovoltaics, flexible electronics, and mechanical catalysts with applications in force sensors and self-healing materials. The electronic and optoelectronic properties of organic thin...
    Resource Type:
    Dissertation
    Full Text:
    the crystal or film is strongly dependent on the molecular structure itself as well as the

  • NMR studies of CdF₂:Ga and CdF₂:Ga,Y

    Creator:
    Hilger, Derrick J.
    Abstract:
    Crystals of CdF₂:In and CdF₂:Ga reduced in a cadmium vapor exhibit unusual metastable properties that can be explained by a "negative U" model. This work uses NMR to investigate this model for CdF₂:Ga and CdF₂:Ga,Y and compare the results to optical measurements. Temperature dependent relaxation measurements were done on ¹¹³Cd...
    Resource Type:
    Dissertation
    Full Text:
    dependent relaxation measurements were done on '13Cd in both crystals and on19F for the CdF2:Ga crystal

  • A 6% efficient MIS particulate silicon solar cell

    Creator:
    Greer, Michael R.
    Resource Type:
    Masters Thesis
    Full Text:
    investigated is aluminum/Si07/p-Si , where the p-Si is in the form of single crystal grains with diameters of

  • Local field effects on dielectric properties of solids

    Creator:
    Canfield, Lingzhou Li
    Abstract:
    Local field effects on the dielectric properties of solids have been studied for three-dimensional and two-dimensional crystals by using two kinds of dipole models: an atomic dipole model in which dipoles coincide with atom sites and a bond dipole model in which dipoles are placed along bond directions. Local fields...
    Resource Type:
    Dissertation
    Full Text:
    electric field applied to a crystal will displace electronic charges and produce an internal polarization