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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:: .....………................…………………………… 4 2.1 Review of ferroelectric thin films ...... …………………………………..…4 2.1.1 Perovskite

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

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:: ..................................................... 80 5.3. Dielectric and Ferroelectric Film Properties

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

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

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

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:: amplified in thin film processing. After successful fabrication, the dielectric, ferroelectric, and

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:: )O3 (PZT) thin films are of interest for their large dielectric permittivity, ferroelectric, and

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