Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 42 for “"Thin Film Materials"”.
-
Chalcogenide thin film materials for next generation data storage
… in the form of amorphous and crystalline marks within a chalcogenide thin film. Commonly Ge<sub>2</sub>Sb<sub>2</sub>Te<sub>5</sub> is used as the active data storage material to record these two different phases. Changes in phase are induced by controlled heating and cooling with laser radiation …
-
Failure and Fracture of Thin Film Materials for MEMS
… research provided fundamental information about thin film failure at the scale of MEMS, which could be directly applied to perform materials selection and design of MEMS components. The experimental methods described in this thesis were shown to be entirely repeatable and directly applicable to …
-
Solution-processed thin-film materials for high-performance nanoelectronics
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01
-
Novel Low Dielectric Constant Thin Film Materials by Chemical Vapor Deposition
… was analyzed by testing the pressure gradients within and the thickness uniformity of films deposited on 8" wafers. The reactor exhibited a linear pressure gradient within, and the thickness uniformity was excellent, with a slight increase in thickness towards inlet of the showerhead. The …
-
Chemical vapor deposition of thin film materials for electronic and magnetic applications
… (CVD) has been employed to pursue high quality thin film growth for four different materials with excellent electronic or magnetic properties for certain device applications. The relationship between CVD processing conditions and various thin film properties has been systematically studied. …
-
Electronic characterisation and computer modelling of thin film materials and devices for optoelectronic applications
… of space charge, and hence defects, within a device.<br/><br/>Application of the photogating effect in a colour detector is introduced and a detector structure proposed. The simple structure and the thin film technique of a-Si:H deposition suggests the possibility of a low cost …
-
Microstructure, residual stress, and mechanical properties of thin film materials for a microfabricated solid oxide fuel cell
… and residual stress of sputter-deposited films for use in microfabricated solid oxide fuel cells are presented. Much of the work focuses on the characterization of a candidate solid electrolyte: Yttria Stabilized Zirconia (YSZ). Stress and structure of reactive RF sputtered YSZ films are …
-
A method for infrared temperature measurements of thin film materials with a low, unknown, and/or variable emissivity at low temperatures
… for accurately measuring the temperatures of materials of low, unknown, and/or variable emissivity. The method to be used is intended specifically for those objects at low temperatures (below 100 degrees Celsius), which are conventionally the most difficult to accurately measure.
-
Magnetoelectric Oxide Nanocomposite Heterostructures
… multifunctional applications. The multiferroic materials could simultaneously exhibit two or more ferroic order parameters, and the coupling effects between ferroelectricity and ferromagnetism are named as magnetoelectric (ME) effect. Recently, with the development of thin film growth …
-
Photovoltaic Properties of Ferroelectric Thin Films
This project seeks to evaluate ferroelectric thin film materials in term of their photovoltaic properties. The ferroelectric thin films with strong photovoltaic effects are deposited on silicon substrate; hence it opens a new window for integration towards opto-electronic application. The effects …
-
Thermodynamic modeling and microcalorimetry of nanostructured materials for capacitive thermal management of electronics
… thermal management based on phase change materials potentially offers a fan-less thermal management for such transient profiles. However, such capacitive management becomes feasible only if there is a significant enhancement in the enthalpy change per unit volume of the phase change …
-
Investigation of Anisotropic Heat Transport Through Frequency Domain Thermoreflectance Technique
Thermophysical properties of thin film materials are of great importance for thermal management in devices including transistors, lasers, sensors, and plasmonic structures. In this thesis, I examine the characterization of heat transport in anisotropic materials through frequency domain …
-
Thin film BCZT in a capacitive thermo-electric converter
Thin film BCZT was processed, optimized, and analyzed from powder to ceramic to film for use in a capacitive thermos-electric converter. The idea of using a temperature dependent dielectric to turn heat into electricity has been around for several decades but has never been feasible due to low …
-
Analysis Methods and Characterization of the Electrical Properties of Nanostructured Particle-Containing Polymer Thin Films
<p>Polymeric thin film materials exhibit extreme electrical properties that can be difficult to measure in a repeatable fashion. The primary goal of this research was to establish a reliable method for categorizing the electrical properties of elastomeric thin film polymeric materials, including …
-
Design fabrication and calibration of MEMS actuators for in-situ materials testing
Many MEMS devices utilize thin metallic films as mechanical structures. The elastic and plastic properties of these thin films (thickness < 1μm) are significantly different from those of the bulk material. At these scales the volume fraction of material defects such as: grain boundaries, …
-
Radiation response and optical characterization of carbon based thin-films prepared by saddle field plasma enhanced chemical vapor deposition
Carbon based thin-film materials have been attracting a lot of attention in many research fields due to their unique material properties. Detection of ionizing radiation is an important application that carbon and diamond based materials, which offer a promising detection material with low …
-
Indentation Behavior of Multilayer Al/SiC Thin Films
… such as hardness and Youngs modulus, of bulk and thin film materials. Multilayer thin films are an important subset of materials in which alternating layers of two or more materials are deposited on a substrate. Fabrication of multilayer films can result in imperfect layer geometry, particularly …
-
Microstructural evolution of sputtered phase segregated metal composite thin films
… development in three different types of metal thin film composites: fully miscible (Au-Ag), slightly immiscible (Cu-Ag) and immiscible (Au-SiO 2). Texture development refers to the distribution of orientations of crystallites in polycrystalline thin films, and is an important part of the …
-
High-density thermoelectric power generation and nanoscale thermal metrology
… low efficiencies and powers available from known materials. Recent material advances appear to have improved the technology's prospects. In this work we show that significantly increased generated power densities are possible even for established material technologies provided that parasitic …
-
Control of morphology for enhanced electronic transport in PECVD-grown a-Si : H Thin Films
… (c-Si) modules make up most of the market, thin films such as hydrogenated amorphous silicon (a-Si:H) are attractive for use in solar cell modules because of the capacity to fabricate cells with much less material. However, several challenges exist in making this material a more practical …
Page 1 of 3