Index Catalog // ScholarsArchive@OSU

Impact of Process Optimization and Composition on Thin Film BNKT Microstructure, Ferroelectric and Piezoelectric Response

Creator:: Grove, Kyle M.
Abstract:: Recent changes in legislation restricting lead content in waste streams produced during electronics manufacturing have inspired a strong push to develop alternative lead-free materials systems for piezoelectric applications. One lead-free piezoelectric material system, (100-X)Bi₀.₅Na₀.₅TiO₃-XBi₀.₅K₀.₅TiO₃ (BNKT), has shown promising properties in bulk research, however, difficulties have arisen in the development of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kyle M. Grove for the

The optimization of thin film p-CuO/n-ZnO heterostructures for use in selective gas detection

Creator:: Dandeneau, Christopher S.
Abstract:: Since bulk p-CuO/n-ZnO heterocontacts were first proposed for gas detection, rapid development has taken place in improving the overall functionality of these structures. While bulk heterocontacts have been shown to exhibit desirable sensitivity and selectivity characteristics, these devices suffer from innate diffusion and ZnO/CuO connectivity drawbacks that limit their effective...
Resource Type:: Masters Thesis
Full Text:: Brady J. Gibbons Since bulk p-CuO/n-ZnO heterocontacts were first proposed for gas detection

Thin Films via Chemical Solution Deposition Synthesis from the (Bi₀.₅Na₀.₅)TiO₃-(Bi₀.₅K₀.₅)TiO₃-Bi(Mg₀.₅Ti₀.₅)O₃ Ternary System

Creator:: Mendez, Jose Eduardo
Abstract:: The ternary system (Bi₀.₅Na₀.₅)TiO₃-(Bi₀.₅K₀.₅)TiO₃-Bi(Mg₀.₅Ti₀.₅)O₃ (BNT-BKT-BMgT) was explored along the [75-(x 2) ]Bi₀.₅Na₀.₅TiO₃ - [25-(x 2)]Bi₀.₅K₀.₅TiO₃ - [x]Bi(Mg₀.₅Ti₀.₅)O₃ composition line. Thin films were fabricated using chelated mixing route solutions spin cast onto platinized silicon substrates. Processing parameters such as: excess cation molar%, solution molality, and crystallization temperatures, for composition where x=0,...
Resource Type:: Masters Thesis
Full Text:: (Mg0.5Ti0.5)O3 Ternary System Abstract approved: Brady J Gibbons The ternary system (Bi0.5Na0.5)TiO3

Bi-based perovskite solid solutions for high energy density thin films

Creator:: Emerson, Morgan Rose
Abstract:: Electrical energy storage devices are currently the main limiting factor in many electrical devices and with the increasing demands placed on electrical power over fossil fuels, high energy density materials are essential. Previous research by Huang et al. on bulk (1-x)Bi(Zn₁/₂Ti₁/₂)O₃-xABO₃ solid solution systems led to the discovery of an...
Resource Type:: Masters Thesis
Full Text:: Perovskite Solid Solutions for High Energy Density Thin Films Abstract approved: Brady J. Gibbons

Chemical Solution Deposition and in-situ Structural Characterization of Pb-free, Bi-based, Piezoelectric Thin Films

Creator:: Fox, Austin J.
Abstract:: This work explores the electric field induced strain mechanisms in environmentally benign Bi0.5Na0.5TiO3 (BNT) based piezoelectric thin films. Although BNT-based materials show promise as replacements for toxic Pb-based piezoelectrics, the displacement mechanisms are not consistent between thin films and bulk materials, and the differences have yet to be well understood....
Resource Type:: Dissertation
Full Text:: Thin Films. Abstract approved: _____________________________________________________ Brady

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:: Abstract approved: Brady J. Gibbons Piezoelectric materials convert mechanical strain into a dielectric

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:: :                                                                          Brady J. Gibbons     Piezoelectric  materials  have  been  widely  used  in  electromechanical

Optimization of Pulsed Laser Deposited Piezoelectric Thin Films for Microelectromechanical Systems

Creator:: Kearney, Dylan R.
Abstract:: Lead zirconate titanate (PZT) is well known to exhibit some of the strongest piezoelectric responses, explaining why it is at the heart of piezoelectric-based microelectromechanical systems (MEMS) research. The use of pulsed laser deposition (PLD) to synthesize PZT offers many advantages over alternative deposition techniques, mainly regarding its ability to...
Resource Type:: Honors College Thesis
Full Text:: : _________________________________________________ Brady J. Gibbons Lead zirconate titanate (PZT) is well known to exhibit some of the

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:: ) Thin Films on Copper Foil Substrates. Abstract approved: Brady J. Gibbons Pb(Zr0.52Ti0.48

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:: Microelectromechanical Systems Abstract approved: Brady Gibbons The lead-zirconate-titanate (PZT) solid

ScholarsArchive@OSU

Impact of Process Optimization and Composition on Thin Film BNKT Microstructure, Ferroelectric and Piezoelectric Response

The optimization of thin film p-CuO/n-ZnO heterostructures for use in selective gas detection

Thin Films via Chemical Solution Deposition Synthesis from the (Bi₀.₅Na₀.₅)TiO₃-(Bi₀.₅K₀.₅)TiO₃-Bi(Mg₀.₅Ti₀.₅)O₃ Ternary System

Bi-based perovskite solid solutions for high energy density thin films

Chemical Solution Deposition and in-situ Structural Characterization of Pb-free, Bi-based, Piezoelectric Thin Films

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

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

Optimization of Pulsed Laser Deposited Piezoelectric Thin Films for Microelectromechanical Systems

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

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

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