Index Catalog // ScholarsArchive@OSU

Pulsed laser deposition and thin film properties of p-type BaCuSF, BaCuSeF, BaCuTeF and n-type Zn₂In₂O[subscript 5] wide band-gap semiconductors

Creator:: Kykyneshi, Robert
Abstract:: Thin films of wide band-gap semiconductors are deposited by the pulsed laser deposition method. Optimal deposition parameters for the individual compounds are reported. A family of p-type BaCuQF (Q = S, Se, Te) ceramics with a layered crystalline structure is investigated for active and passive device applications. Epitaxial films of...
Resource Type:: Dissertation
Full Text:: – 650˚C (data for 280˚C annealed film shown). The average transparency is calculated in the 400-800 nm

Microstructural characterization of YBa₂Cu₃O₇₋₈ thin films with time differential perturbed angular correlation

Creator:: Tom, Dennis W.
Resource Type:: Dissertation
Full Text:: temperatures of 650-800°C, and use of materials that do not oxidize in the evaporation process. A schematic

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:: Boltzmann's constant, e the carrier charge, Ec the bottom of the conduction band, and EF the Fermi level

Temperature Dependence of Cu₃₋xSb₁₋[subscript y]M[subscript y]S₄ (M=Sn,Ge) Resistivity and Thermopower

Creator:: Mutch, Joshua
Abstract:: An experimental apparatus is modified to allow measurements of the Seebeck coefficient and resistivity to be taken simultaneously. This apparatus is designed for bulk and thin film samples between temperatures of 10 K and 300 K. The apparatus is constructed such that these simultaneous measurements do not interfere with each...
Resource Type:: Undergraduate Thesis
Full Text:: 0 2 4 6 Se eb ec k Co ef fic ie nt ln(σ) Jonker Plot σ0 -1.5 0.5 2.5 Po w er F ac

Oxygen-deficient YBa₂Cu₃O[₆₊x] films investigated by perturbed angular correlation spectroscopy

Creator:: Dumkow, Irene D.
Resource Type:: Dissertation
Full Text:: 650 °C and 550 °C, depending on the annealing atmosphere, either pure 02, air, or 5%02, 95% N2 [13

Resistance in superconductors : a comparison between NdCeCuO and YBaCuO thin films

Creator:: Hermann, Bianca A.
Resource Type:: Masters Thesis
Full Text:: determined by the relative evaporation rates. The films were deposited onto heated substrates (about 650

Single crystal growth, powder synthesis and characterization of layered chalcogenide semiconductors

Creator:: Richard, Annette Pauline
Abstract:: This thesis presents basic studies, including structural, optical and transport measurements, on novel chalcogenide powders and single crystals. BiCuOSe crystals have been synthesized for the first time. The crystal structure of BiCuOSe has been refined and the optical band gap has been measured to be 0.83eV. Crystal structure refinements of...
Resource Type:: Dissertation
Full Text:: the p- type material to its respective conduction band, EC. As a result of the band bending, due

Flux creep in Bi₂Sr₂CaCu₂O[subscript x] and YBa₂Cu₃O[subscript x] thin films : magnetization and susceptibility studies

Creator:: Karapetrov, Goran
Resource Type:: Dissertation

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

Creator:: Zakutayev, Andriy
Abstract:: BaCuChF (Ch = S, Se, Te) materials are chalcogen-based transparent conductors with wide optical band gaps (2.9 – 3.5 eV) and a high concentration of free holes (10¹⁸ – 10²⁰ cm⁻³) caused by the presence of copper vacancies. Chalcogen vacancies compensate copper vacancies in these materials, setting the Fermi level...
Resource Type:: Dissertation

ScholarsArchive@OSU

Pulsed laser deposition and thin film properties of p-type BaCuSF, BaCuSeF, BaCuTeF and n-type Zn₂In₂O[subscript 5] wide band-gap semiconductors

Microstructural characterization of YBa₂Cu₃O₇₋₈ thin films with time differential perturbed angular correlation

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

Temperature Dependence of Cu₃₋xSb₁₋[subscript y]M[subscript y]S₄ (M=Sn,Ge) Resistivity and Thermopower

Oxygen-deficient YBa₂Cu₃O[₆₊x] films investigated by perturbed angular correlation spectroscopy

Resistance in superconductors : a comparison between NdCeCuO and YBaCuO thin films

Single crystal growth, powder synthesis and characterization of layered chalcogenide semiconductors

Flux creep in Bi₂Sr₂CaCu₂O[subscript x] and YBa₂Cu₃O[subscript x] thin films : magnetization and susceptibility studies

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

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