Index Catalog // ScholarsArchive@OSU

Thin-Film Dielectric Structure of Spin-Coated ZrO2 from Aqueous Inorganic Solution

Creator:: Moreno Luna, Hidekel A.
Abstract:: An inorganic aqueous precursor for the deposition of ZrO2 thin films via spincoating was developed. Hydrolysis and condensation chemistries of ZrOCl₂·8H₂O were used as the principal reactions to guide the synthesis. Refractive index, n, for a film annealed at 300 °C at 550 nm was measured to be n=1.97 by...
Resource Type:: Honors College Thesis
Full Text:: Lerner, and Wei Wang for the time and help they brought to this project. CONTRIBUTION OF

Metal-oxo Clusters as Novel Photolithographic Materials: How Understanding the Chemistry of HafSOx Informs Next-Generation Patterning Systems

Creator:: Amador, Jenn M.
Abstract:: The solution chemistry and kinetic behavior of hafnium peroxy sulfate solutions ("HafSOx") is described in terms of peroxide content and solution speciation. Additionally, thin film behavior, including thermal behavior and solubility, is characterized, and a mechanism of patterning is presented, as well as parameters that should be considered when looking...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Jenn M. Amador

Refractory Amorphous Metal Thin Films

Creator:: Olsen, Kristopher R.
Abstract:: Amorphous metal thin films lack the grain boundaries and dislocations present in crystalline metal films. As a result, amorphous metal films can be more mechanically robust, atomically smooth, and more resistant to chemical attack than crystalline metals. However, amorphous metals are meta-stable and subject to crystallization upon heating, thus limiting...
Resource Type:: Dissertation
Full Text:: , D.; Yi, J.; Zhao, D.; Ding, D.; Bai, H.; Pan, M.; Wang, W. Tantalum Based Bulk Metallic Glasses

Deposition and characterization of transition metal oxides from aqueous solution

Creator:: Betterton, Sharon A.
Abstract:: The aqueous chemistries of two transition metal cations, Zr⁴⁺ and Nb⁵⁺, are examined and then used to develop inorganic precursor solutions. The oxides of these cations (ZrO₂ and Nb₂O₅) are deposited and characterized, and their morphological and optical properties discussed. Due to the obstacles created by niobium's aqueous chemistry, an...
Resource Type:: Masters Thesis
Full Text:: ; Wei Wang, for keeping me focused and kicking my butt into gear; Alan Telecky, for his expertise in

Copper and iron chalcogenides for efficient solar absorption

Creator:: Platt, Heather A. S.
Abstract:: This dissertation outlines two approaches for improving the efficiency and reducing the cost of photovoltaic energy generation. First, the structures of known binary copper and iron compounds are used to choose the promising compositions Fe₂XS₄ (X = Si, Ge), Cu₃TaQ₄ (Q = Se, Te), and BaCuQ'F (Q' = S, Se,...
Resource Type:: Dissertation
Full Text:: Knutsen, Sharon Betterton, Alan Telecky, Wei Wang, Nutch Jieratum, Annette Richard, Josh Russell, Jack

Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

Creator:: Park, Cheol-Hee
Abstract:: New transparent p- and n-type semiconductors and luminescent materials have been prepared and characterized. Synthesis, structures, optical and electrical properties of new chalcogenide fluoride p-type transparent semiconductors MCuQF (M=Ba, Sr; Q=S, Se, Te) are described. Band-gap tuning and improvement in conductivity through p-type doping are demonstrated in the family. The...
Resource Type:: Dissertation
Full Text:: semiconductors MCuQF (M=Ba, Sr; QS, Se, Te) are described. Band-gap tuning and improvement in conductivity

Phosphor development : synthesis, characterization, and chromatic control

Creator:: Li, Dong
Resource Type:: Dissertation
Full Text:: notes, M-1/3 (1997). 2. Lawrence E. Tannas, jr. SID seminar notes, M-1/3 (1995). 3. G. Blasse, B. C

New luminescent materials and high-performance solution-processed oxide thin films

Creator:: Jiang, Kai
Abstract:: Crystals of an incongruent-melting compound, Ba₃MgSi₂O₈, were grown by the flux method and its structure was determined by single crystal X-ray diffraction methods. Ba₃MgSi₂O₈ crystallizes in trigonal space group P-3[bar]m1 with a = 5.6123(3) Å, c = 7.2667(9) Å and Z = 1. Eu²⁺ ions prefer one crystallographic Ba site...
Resource Type:: Dissertation
Full Text:: Telecky, Sharon Betterton, Wei Wang, and Emmeline Altschul. Life in the lab would have been boring

New, complex group 13 borates : synthesis, structures, and properties

Creator:: Chang, Ki-Seog
Resource Type:: Dissertation
Full Text:: related materials MAI2(B03)20 (M = Ca, Sr, Ba) and Na2Al2(B03)20 are considered in Chapters 3 - 6. The

Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF7 : a new upconversion host, Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF₇ : a new upconversion host

Creator:: Jieratum, Vorranutch
Abstract:: The materials Fe₂(Si,Ge)(S,Se)₄, Cu₃PS[subscript 4-x]Se[subscript x] (0 ≤ x ≤ 4), and Cu₃PxAs[subscript 1-x]S₄ (0 ≤ x ≤ 1) have been synthesized and studied as new earth-abundant absorbers for single and multijunction photovoltaic cells as well as solar fuel generation. The synthesis, single-crystal growth, and optical and electrical properties of...
Resource Type:: Dissertation
Full Text:: -state physics. I would like to thank Wei Wang - possibly the nicest and the most loved guy in Keszler

ScholarsArchive@OSU

Thin-Film Dielectric Structure of Spin-Coated ZrO2 from Aqueous Inorganic Solution

Metal-oxo Clusters as Novel Photolithographic Materials: How Understanding the Chemistry of HafSOx Informs Next-Generation Patterning Systems

Refractory Amorphous Metal Thin Films

Deposition and characterization of transition metal oxides from aqueous solution

Copper and iron chalcogenides for efficient solar absorption

Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

Phosphor development : synthesis, characterization, and chromatic control

New luminescent materials and high-performance solution-processed oxide thin films

New, complex group 13 borates : synthesis, structures, and properties

Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF7 : a new upconversion host, Iron and copper chalcogenides : photovoltaic absorber candidates and YZrF₇ : a new upconversion host

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