Index Catalog // ScholarsArchive@OSU

Crystallization Rates of AIST and Ge Thin Films by Optical and Electron Microscopy

Creator:: Bird, Victoriea L.
Abstract:: The amorphous to crystalline phase change is of great interest for the production and operation of phase change memory and germanium electronic devices. Phase change memory relies on the ability to differentiate between differences in optical or electrical properties between the amorphous and crystalline phases of a single material. Amorphous...
Resource Type:: Masters Thesis
Full Text:: ................................................................................................................................................. 18 2.3.1 Amorphous germanium thin film applications

Chemical Solution Deposition and Advanced Characterization of Pb-free, Bi-based, Piezoelectric Thin Films

Creator:: Mason, Ashley D.
Abstract:: Piezoelectric materials convert mechanical strain into a dielectric displacement, as well as the converse, allowing these materials to be used as sensors, actuators, and transducers. Currently, lead zirconate titanate (PZT) is the primary material used in these applications. Due to environmental toxicity and safety concerns associated with Pb, development of...
Resource Type:: Dissertation
Full Text:: bulk ceramic and thin film fabrication can lead to changes in stoichiometry and create defects within

Sputtered Pb(Zr0.52Ti0.48)O3 (PZT) thin films on copper foil substrates, Sputtered Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films on copper foil substrates

Creator:: Walenza-Slabe, Joel
Abstract:: Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films are of interest for their large dielectric permittivity, ferroelectric, and piezoelectric properties. The material has been widely studied for use in high frequency transducers, multi-layered capacitors, and ferroelectric random access memory. Copper foils are an inexpensive, flexible substrate with a low resistivity which makes them ideal...
Resource Type:: Masters Thesis
Full Text:: railroad track, or attached to industrial equipment. Typically a thin film device would not generate a

Thin film multilayer superconductors and the proximity effect

Creator:: McLaughlin, Kevin M.
Abstract:: Recent superconducting thin films studies have attempted to create pure metal layer films of Niobium and Titanium with the same properties of superconducting NbTi wire used in industry. These studies have all reported depression of the superconducting properties of the pure metal films which has been attributed to the proximity...
Resource Type:: Masters Thesis
Full Text:: Thin film multilayer superconductors and the proximity effect

Synthesis and characterization of Pb(Zr,Ti)O₃ thin films for microelectromechanical systems

Creator:: Brookshire, Kirsten L.
Abstract:: Pb(Zr,Ti)O₃ (PZT) is a very attractive material for use in piezoelectric-based microelectromechanical systems (MEMS) due to its high piezoelectric coefficients and ability for large displacements with relatively low applied fields (as compared to electrostatic-based MEMS). The piezoelectric effect is strongly anisotropic, thus it is very desirable to control the crystallographic...
Resource Type:: Masters Thesis
Full Text:: evaluating long-term device reliability in these devices. A study of fatigue dependence on film thickness

Atomic layer deposition of nanolaminate Al₂O₃-Ta₂O₅ and ZnO-SnO₂ films

Creator:: Smith, Sean Weston
Abstract:: Thin films are an enabling technology for a wide range of applications, from microprocessors to diffusion barriers. Nanolaminate thin films combine two (or more) materials in a layered structure to achieve performance that neither film could provide on its own. Atomic layer deposition (ALD) is a chemical vapor deposition technique...
Resource Type:: Masters Thesis
Full Text:: metal oxide semiconductor field effect transistors and thin film transistors. Al2O3-Ta2O5 nanolaminate

Electronic Conduction and Ionic Diffusion in (Bi₀.₅Na₀.₅)TiO₃-(Bi₀.₅K₀.₅)TiO₃-based Thin Films, Electronic Conduction and Ionic Diffusion in (Bi0.5Na0.5)TiO3-(Bi0.5K0.5)TiO3-based Thin Films

Creator:: Walenza-Slabe, Joel
Abstract:: Solid solutions based on the perovskite ferroelectrics Bi₀.₅Na₀.₅TiO₃ (BNT) and Bi₀.₅K₀.₅TiO₃ (BKT) might someday replace current Pb-based ferroelectric and piezoelectric devices. This is one goal of the Restrictions on Hazardous Substances (RoHS) guidelines seeking to limit Pb in consumer devices. Although the Bi-based ferroelectrics are well suited to the task...
Resource Type:: Dissertation
Full Text:: ...................……………….....…………..…9 2.1.7 Thin film considerations ................…………………………11 2.2 Leakage current

Study of Interphase in Polylactic Acid and Cellulose Nanocrystal Composite Films

Creator:: Rao, Pratish Ramesh
Abstract:: Polylactic acid (PLA), a renewable material, is used widely in a variety of commercial and specialty applications. However, certain limitations such as high temperature stability and brittleness limit its applicability. This problem is addressed by reinforcing PLA with a variety of materials but the process gives rise to different issues...
Resource Type:: Masters Thesis
Full Text:: ) .................... 51 Figure 4-9 : TGA curves for a) PLA control film cast at 120oC and 2h and b) PLA control film

Development of bi-based lead-free piezoelectric materials : thin film piezoelectric materials via PVD and CSD routes

Creator:: Jeon, Yu Hong
Abstract:: Piezoelectric materials have been widely used in electromechanical actuators, sensors, and ultrasonic transducers. Among these materials, lead zirconate titanate Pb(Zr[subscript 1‐x]Ti[subscript x])O₃ (PZT) has been primarily investigated due to its excellent piezoelectric properties. However, environmental concerns due to the toxicity of PbO have led to investigations into alternative materials systems....
Resource Type:: Dissertation
Full Text:: , 2012.  Title: Development of Bi‐based Lead‐free Piezoelectric Materials: Thin Film  Piezoelectric

Development of perovskite thin films for use in piezoelectric based microelectromechanical systems

Creator:: Shelton, Christopher T.
Abstract:: The lead-zirconate-titanate (PZT) solid solution system is currently the workhorse of piezoelectric-based microelectromechanical systems (MEMS) research. Among bulk materials it is known to be one of the strongest piezoelectrics, with extremely high piezoelectric coefficients and electro-mechanical coupling factors. Reproducing these exceptional qualities in thin film form, however, requires precise tuning...
Resource Type:: Masters Thesis
Full Text:: exceptional qualities in thin film form, however, requires precise tuning of composition and texture. In

ScholarsArchive@OSU

Crystallization Rates of AIST and Ge Thin Films by Optical and Electron Microscopy

Chemical Solution Deposition and Advanced Characterization of Pb-free, Bi-based, Piezoelectric Thin Films

Sputtered Pb(Zr0.52Ti0.48)O3 (PZT) thin films on copper foil substrates, Sputtered Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films on copper foil substrates

Thin film multilayer superconductors and the proximity effect

Synthesis and characterization of Pb(Zr,Ti)O₃ thin films for microelectromechanical systems

Atomic layer deposition of nanolaminate Al₂O₃-Ta₂O₅ and ZnO-SnO₂ films

Electronic Conduction and Ionic Diffusion in (Bi₀.₅Na₀.₅)TiO₃-(Bi₀.₅K₀.₅)TiO₃-based Thin Films, Electronic Conduction and Ionic Diffusion in (Bi0.5Na0.5)TiO3-(Bi0.5K0.5)TiO3-based Thin Films

Study of Interphase in Polylactic Acid and Cellulose Nanocrystal Composite Films

Development of bi-based lead-free piezoelectric materials : thin film piezoelectric materials via PVD and CSD routes

Development of perovskite thin films for use in piezoelectric based microelectromechanical systems

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