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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

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Showing 1 to 20 of 56 for “"amorphous carbon"”.

  1. DENSITY OF AMORPHOUS CARBON BY USING DENSITY FUNCTIONAL THEORY

    Chinkanjanarot, Sorayot

    mtu Repository record

  2. Structure and Interaction Energies of Kr Atoms Adsorbed on Graphitic Amorphous Carbon

    Lee, Sang -Joon

    utahstate Repository record

  3. Characterization of Amorphous Carbon Films for Mask Protection during Ion Beam Bombardment

    Kusko, Rebecca ElizabethUniversity of Houston2017

    … refine a process to coat masks with diamond-like carbon (DLC) to protect them from ion bombardment. This continues the work of Wasson, Hudek, Nounu, and Abichandani, who pioneered deposition techniques to create amorphous carbon films with low initial compressive stress, which remains constant to …

    houston Repository record

  4. Electrical and electrochemical properties of nitrogen-containing tetrahedral amorphous carbon (ta-C) thin films

    Yang, Xingyi2013

    … Properties of Nitrogen-Containing Tetrahedral Amorphous Carbon(ta-C) Thin-Films ByXingyi YangTetrahedral amorphous carbon (ta-C) is a diamond-like carbon (DLC) material comprised of a mixture of sp2 (~40%) and sp3-bonded (~60%) carbon domains. The physicochemical structure and electrochemical …

    msu Repository record

  5. An investigation of thin amorphous carbon-based sputtered coatings for MEMS and micro-engineering applications

    Wilson, Gavin M.Aston University2008

    … into the production and properties of thin amorphous C films, with and without Cr doping, as a low wear / friction coating applicable to MEMS and other micro- and nano-engineering applications. Firstly, an assessment was made of the available testing techniques. Secondly, the optimised test …

    aston Repository record

  6. Spectral momentum densities of crystalline graphite and ion sputtered amorphous carbon films from (e,2e) spectrology

    Gao, ChaoVirginia Polytechnic Institute and State University1988

    vt Repository record

  7. Simulations of silicon-graphene anodes using machine-learning-based interatomic potentials

    Liepuoniūtė, GuodaUniversity of Cambridge2025

    … as mechanical degradation and capacity fading. Carbon composite, such as graphene or amorphous carbon, incorporation into silicon anodes has emerged as a potential solution to these challenges, but a complete simulation of the silicon-carbon systems with a full lithiation-delithiation cycle …

    cambridge Repository record

  8. Growth of polycrystalline zinc oxide films by magnetron sputtering studies of the structural, optical, and electrical properties of sputtered zinc oxide films, and thickness-dependent stresses in amorphous carbon films and polycrystalline zinc oxide films

    Puchert, MartinUNSW, Sydney1996

    unsw Repository record

  9. Carbon thin films with enhanced properties from cathodic arc plasmas.

    Chhowalla, ManishUniversity of Cambridge1998

    … physical, optical and electronic properties of amorphous carbon ( a-C) thin films deposited using a filtered and unfiltered cathodic arcs are investigated. Firstly, the plasma properties of the filtered cathodic vacuum arc (FCVA) have been examined using planar and wire Langmuir probes in order …

    cambridge

  10. Development of high performance tribological coatings for application onto hip joint prostheses

    Knox, PaulUniversity of Wolverhampton2010

    In this thesis Graphit-iC™, an amorphous carbon coating developed by Teer Coatings Ltd. was modified and deposited onto CoCr and WHMWPE substrates in order to improve the wear properties. It was identified that depositing a hard coating onto soft substrate would cause high stresses and lead to …

    wlv Repository record

  11. Scanning Tunneling Microscopy of Homo-Epitaxial Chemical Vapor Deposited Diamond (100) Films

    Stallcup, Richard E.University of North Texas2000

    … A (2x1) dimer surface reconstruction and amorphous atomic regions were observed on the hydrogen terminated (100) surface. The (2x1) unit cell was measured to be 0.51"0.01 x 0.25"0.01 nm2. The amorphous regions were identified as amorphous carbon. After CVD growth, the surface of the …

    unt Repository record

  12. PLASMA-SURFACE INTERACTIONS DURING REACTIVE PLASMA PROCESSING OF HYDROCARBON FILMS

    Fox-Lyon, Nicholas2013

    Reactive plasma interactions with hydrocarbon-based surfaces play a critical role in future biological-plasma applications and for microelectronic device manufacture. As device dimensions get smaller and we require fine control of surfaces during plasma processing we will need to develop more …

    maryland Repository record

  13. Electrospun Titanium Dioxide and Silicon Composite Nanofibers for Advanced Lithium Ion Batteries

    McCormac, Kathleen2015

    … The composite nanofibers were made of amorphous carbon, rutile phase TiO<sub>2</sub>, and cubic phase Si nanoparticles. Sulfur was utilized as a template to form void structures within the TiO<sub>2</sub> nanofiber matrix. This provides the desired space for the Si expansion during the …

    gsu Repository record

  14. Multiscale corrosion of zirconium carbide, carbon, and CF/ZRC under extreme environments

    Konnik, Matt T.University of Illinois at Urbana-Champaign2024

    … including zirconium carbide (ZrC), disordered carbons, and carbon fiber/zirconium carbide (Cf/ZrC) composites. Initial analysis focused on the ultra-high temperature oxidation behavior of hot-pressed substoichiometric zirconium carbide in a highly controlled test environment. Investigations …

    uiuc Repository record

  15. Development and characterisation of novel low-friction wear-resistant multiplayer nanocomposite CrAlTiCN coatings

    Wu, WenwenUniversity of Birmingham2010

    … to generate novel CrAlTiCN coatings with the carbon content up to 24.34 at% by closed-field unbalanced magnetron sputtering of graphite target. The microstructure of the CrAlTiCN coatings mainly depends on their carbon content. When the carbon content is low, carbon atoms are mainly dissolved …

    birmingham Repository record

  16. Electrospun carbon nanofiber electrodes decorated with palladium metal nanoparticles : fabrication and characterization

    Kurpiewski, John PaulMassachusetts Institute of Technology2005

    … a novel oxygen reduction electrode comprised of carbon nanofibers for use in polymer electrolyte membrane (PEM) fuel cells and metal-air batteries. The process involved electrospinning a solution of polymer (polyacrylonitrile), noble metal salt (palladium (II) acetate), and organic solvent (n,n- …

    mit Repository record

  17. Synthèse de nanoparticules de carbure de fer dans un réacteur à plasma inductif

    Eslahpazir Esfandabadi, RohamUniversité de Sherbrooke2009

    … structure and that they are embedded in an amorphous carbon. A new method has also been developed to collect the produced nanopowder in a liquid in order to minimize nanoparticle dispersion into the air, and protect pyrophoric nanoparticles from air exposure.

    sherbrooke Repository record

  18. Molecular Dynamic Simulation of Polysiloxane

    Chaney, Harrison MatthewVirginia Tech2023

    … The process of forming phases such as Graphitic Carbon, Amorphous Carbon, Silicon Carbide. Silicon Oxide, and SiliconOxycarbide are not well understood. Simulation provides a route to understanding the phenomenon behind these phase formations. Specifically, Molecular dynamics simulation paired …

    vt Repository record

  19. ELECTROCATALYSTS AND SUPPORTS FOR POLYMER FUEL CELLS AND ELECTROLYZERS

    Hitt, Jeremy2022

    … pathways for renewable energy storage are carbon neutral hydrocarbons and a hydrogen energy economy. The main hurdle in implementing these technologies is the cost of electrolyzers/fuel cells along with the overhaul of our current energy infrastructure. To mitigate the cost of the …

    penn Repository record

  20. Characterization of aerosols in an underground mine

    Habibi, Arash A.Missouri University of Science and Technology

    … engines are a common source of submicron carbon-rich particles. Characterizing morphological and physical attributes of diesel agglomerates is therefore of great importance to be able to identify the source and improve removal technology. Size-segregated sampling was conducted in two …

    must-thes Repository record

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