Now showing items 1-20 of 23

    • Advanced Atomic Layer Deposition Techniques for Metal-Insulator-Metal Diodes 

      Alshehri, Abdullah H. (University of Waterloo, 2017-07-06)
      Metal-Insulator-Metal (MIM) diodes are nanoelectronic devices that operate by quantum tunneling of electrons through a thin dielectric layer to rectify high frequency alternating current (AC) to usable direct current (DC). ...
    • Applications of Reflectometry Towards the Development of MEMS Gas Sensors 

      Mistry, Kissan (University of Waterloo, 2021-05-27)
      Reflectometry or reflectance spectroscopy is a relatively simple characterization technique based on the analysis of reflected light from a surface. Herein, reflectometry is used to attain significant insights towards the ...
    • Decreasing Graphene Contact Resistance by Increasing Edge Contact Length 

      Burzhuev, Salamat (University of Waterloo, 2016-05-12)
      Graphene is a two dimensional material which has combination of unique mechanical, electrical and optical properties. Due to the unique properties of graphene, it has potential for several applications such as radio frequency ...
    • Design and Characterization of Self-Biasing NiTi Spring Actuator 

      Chakraborty, Apratim (University of Waterloo, 2016-10-14)
      Spring actuators are essential components in vehicles as they are used for climate control, braking ventilation, engine control and fuel management. However, commercially available spring actuators are heavy and expensive ...
    • Design, fabrication and characterization of ferroelectret energy harvester 

      Kayaharman, Muhammed (University of Waterloo, 2019-04-22)
      Energy harvesters gained significant interest over the last decade with the reduce in power requirements of today’s electrical devices and with the fast developments in low-power electronics. Limited battery life is one ...
    • Design, Fabrication and Characterization of MEMS Gyroscopes Based on Frequency Modulation 

      Effa, Dawit (David) (University of Waterloo, 2018-07-24)
      Conventional amplitude modulated (AM) open loop MEMS gyroscopes experience a significant performance trade-off between having a large bandwidth or high sensitivity. It is impossible to improve both metrics at the same time ...
    • Dynamic Scanning Probe Lithography and Its Applications 

      Saritas, Resul (University of Waterloo, 2022-01-25)
      This dissertation presents a novel, benchtop, low-cost, high-throughput direct surface patterning method dubbed dynamic-Scanning Probe Lithography (d-SPL). It employs a scriber mounted via a spring-damper mechanism to a ...
    • Electromagnetic Vibrational Energy Harvesters and Power Management 

      Tunkar, Bassam (University of Waterloo, 2016-01-14)
      The interest in scavenging various energy sources from the environment is rapidly increasing. Thanks to the advances in developing effective energy harvesters researches. Kinetic energy is a renewable source and it can ...
    • Electrostatic Bifurcation In-Plane Sensors 

      Arabi, Mohamed (University of Waterloo, 2022-01-24)
      Electrostatic MEMS sensors are known for their high sensitivity, wide range of operation, and quick response. These unique attributes give Electrostatic MEMS sensors an edge over other MEMS transduction mechanisms ...
    • Fabrication of 2D materials via novel laser treatment processes and their implementation in optoelectronic applications 

      Ibrahim, Khaled (University of Waterloo, 2020-06-01)
      Pulsed laser treatment of 2D materials is becoming increasingly popular due to the simple and efficient nature of the treatment process. In this thesis, the femtosecond laser treatment methods of 2D materials to fabricate ...
    • Fabrication of Hard-to-Process Ni-Based Superalloy Thin-Wall Parts Made by Laser Powder Bed Fusion 

      Chakraborty, Apratim (University of Waterloo, 2022-10-24)
      Thin-wall part fabrication is significant for aerospace, automotive, and thermal applications, which require complex metallic features hard to manufacture using conventional manufacturing processes. Laser powder bed fusion ...
    • Graphene Nanoparticle-Polymer Composite Fabricated by Pulsed Laser Ablation in Liquid 

      ALAMRI, MERVAT (University of Waterloo, 2016-06-09)
      Graphene is an attractive alternative material for diverse applications in electronic devices, fuel cells, biomedical sensors, energy storage, and super-capacitors due to its exceptional thermal, electrical, optical and ...
    • Graphene Oxide Femto Gel Photodetector 

      Alsaedi, Dawood (University of Waterloo, 2016-06-29)
      Due to its unique optical (electrical) properties such as wide-range absorbance of wavelength, and high carrier mobility, graphene becomes a promising candidate for photodetector devices. The ability to tune the band gap, ...
    • Graphene-based FET biosensors 

      Novodchuk, Inna (University of Waterloo, 2021-06-16)
      Graphene and graphene-based materials are highly attractive for field effect transistor (FET) applications because of their elevated theoretical charge carrier mobility. Graphene FETs (GFETs) are studied for biosensing ...
    • Improving Dielectric Thin Films for Metal Insulator Metal Diodes and Perovskite Solar Cells 

      Alshehri, Abdullah Hamoud Q (University of Waterloo, 2021-08-25)
      Metal-insulator-metal (MIM) diodes are nano-electronic devices that operate by quantum tunneling of electrons through a thin dielectric layer to rectify high frequency alternating current (AC) to usable direct current (DC). ...
    • Insole Energy Harvesting 

      Kaplan, Cemalettin (University of Waterloo, 2017-05-10)
      Various energy harvesting techniques have been studied extensively to power portable devices. Each technique has proven to have advantages and disadvantages. Generating energy from human walking is an important energy ...
    • Laser Processing and Modelling of Multiple Memory Shape Memory Alloys 

      Michael, Andrew (University of Waterloo, 2018-04-18)
      Laser processing of NiTi shape memory alloys (SMA) has been identified as having great potential in surface treatment, welding, and novel performance requirement applications. However, no models have been developed to ...
    • Optimal Material Selection for Transducers 

      Seviora, Gregory (University of Waterloo, 2018-02-15)
      When selecting an active material for an application, it is tempting to rely upon prior knowledge or commercial products that fit the design criteria. While this method is time effective, it does not provide an optimal ...
    • Power Module Packaging in Automotive Applications 

      Atelge, Muhammed Rasit (University of Waterloo, 2016-05-02)
      In this study, nano silver paste was used as die attach material with the aim of increasing reliability of joints in power modules in automotive applications. Prior to joining, nano silver paste was spread on the interface ...
    • Resonant Adaptive Mirrors 

      Kamel, Amr (University of Waterloo, 2020-05-28)
      Deformable mirrors (DMs) are integrated into adaptive optical (AO) systems to compensate for wavefront aberrations. These aberrations degrade the image resolution of telescopes, microscopes, ophthalmoscopes, and optical ...

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