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Filtering by: Creator Brady, Kyle B. Remove constraint Creator: Brady, Kyle B. Subject Perovskite Remove constraint Subject: Perovskite

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  • Substitution Effects on the Structure and Electronic Behavior of Ternary Precious Metal Oxides

    Creator:
    Flynn, Joshua
    Abstract:
    Due to the high cost of precursor materials, complex oxides of 4d and 5d transition metals are under-studied compared to their 3d counterparts. Recent studies have shown that oxides containing heavier transition metals can exhibit exotic electronic states due to presence of strong spin-orbit coupling. The goal of this dissertation...
    Resource Type:
    Dissertation
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    thank Dr. Michael Lerner, Dr. Janet Tate, Dr. Brady Gibbons, and Dr. David McIntyre for taking the

  • 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 new high-temperature piezoelectric perovskite ceramics

    Creator:
    Ansell, Troy Youngmin
    Abstract:
    Lead zirconate titanate (PZT) is the dominant ferroelectric material in the market due to its excellent piezoelectric properties, relatively high Curie transition temperature (T[subscript C]), low cost, etc. However, because of emerging applications with requirements for high temperature (T[subscript C] > 400 °C) ferroelectrics, researchers are increasingly looking at alternative...
    Resource Type:
    Dissertation
    Full Text:
    helpful suggestions on compositional studies. I want to thank Dr. Brady Gibbons for keeping Dearborn Hall

  • Relaxor characteristic and phase evolution of complex perovskite barium titanate bismuth zinc titanate ceramics

    Creator:
    Triamnak, Narit
    Abstract:
    Relaxor characteristic of the solid solution (1-x)BaTiO₃-(x)Bi(Zn₁/₂Ti₁/₂)O₃ (BTBZT) was investigated in this research. X-ray diffraction technique and Raman spectroscopy revealed the crystal structure of BT-BZT at various compositions. For compositions with x ≤ 0.08, the solid solutions exhibited clear tetragonal symmetry and transitioned to pseudo-cubic symmetry as the content of...
    Resource Type:
    Dissertation
    Full Text:
    +. I would like to thank Dr. William H. Warnes and Dr. Brady J. Gibbons for providing generous

  • Development of complex perovskite dielectric ceramics for high temperature capacitor applications

    Creator:
    Raengthon, Natthaphon
    Abstract:
    Dielectric ceramics designed for capacitor applications for use in extreme environments, such as high temperatures, high voltages, or high-pressure environments, are in great demand. Existing capacitor technology fails to perform within these extreme conditions or such environments. The development of new dielectric ceramic materials for high temperature capacitor applications is...
    Resource Type:
    Dissertation
    Full Text:
    acknowledge, Dr. Brady J. Gibbons, Dr. P. Alex Greaney, Dr. John F. Conley, Dr. David Roundy, Dr. Ian M

  • Development, characterization, and piezoelectric fatigue behavior of lead-free perovskite piezoelectric ceramics

    Creator:
    Patterson, Eric Andrew
    Abstract:
    Much recent research has focused on the development lead-free perovskite piezoelectrics as environmentally compatible alternatives to lead zirconate titanate (PZT). Two main categories of lead free perovskite piezoelectric ceramic systems were investigated as potential replacements to lead zirconate titanate (PZT) for actuator devices. First, solid solutions based on Li, Ta,...
    Resource Type:
    Dissertation
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    all of the beer and good memories. Thank you, Dr. Brady Gibbons for your continuous support

  • 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
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Brady
J.
Gibbons

 
 Piezoelectric
 materials
 have
 been
 widely
 used
 in
 electromechanical

  • 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

  • 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