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  • 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:
    property, however CdF2:Ga exhibits a higher metastable temperature (Suchocki et at., 1997; Wilamowski et

  • Transport properties of CuSc₁₋(subscript x)Mg(subscript x)O₂₊(subscript y) and BaCu₂S₂ transparent semiconductors

    Creator:
    Kykyneshi, Robert
    Abstract:
    Bulk properties of CuSc₁₋ₓMgₓO₂, CuSc₁₋ₓMgₓO₂₊y, BaCu₂S₂, Bai₁₋ₓKCu₂S₂, BaCu₂Se₂ and Bai₁₋ₓKₓCu₂Se₂ are investigated supporting the search for highly conductive p-type thin films. Mg is an efficient dopant in CuScO₂ with conductivity up to l.5.10⁻² S/cm. Oxidation of CuScO₂:Mg leads to further increase in conductivity up to 0.5 S/cm. The amount of...
    Resource Type:
    Masters Thesis
    Full Text:
    cold side there is a carrier build up, creating an electric field, which opposes the drift of