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.
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Showing 1 to 20 of 51 for “"titanium nitride"”.
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Titanium nitride thin films by the electron shower process
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1998.
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Integrated optical switching using titanium nitride micro electromechanical systems
… this problem, this thesis is based on the use of titanium nitride (TiN) as structural material for the bridge. Titanium nitride has very attractive mechanical properties as well as good conductivity, which makes it an ideal structural material for electrostatically actuated devices.
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The development of titanium nitride strengthened creep resistant ferritic steels
… structure and the precipitated carbides and nitrides. Their long term creep performance is ultimately limited by the rate at which these precipitates coarsen or otherwise transform over time at elevated temperature. This research work presents the development of an alternative alloy which …
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Investigation and development of titanium nitride solid-state potentiometric pH sensor
… To reduce the redox interference, metal nitride solid sensors were investigated in this project with the potential for the development of high-sensitivity pH sensing electrodes. Metal nitrides are refractory, have high melting points and interstitial defects, and, at room temperature, …
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Development Of Titanium Nitride/molybdenum Disulphide Composite Tribological Coatings For Cryocoolers
… of the cryocooler thus improving its efficiency. Nitrides of high-melting-point metals (e.g. TiN, ZrN) and diamond-like-carbon (DLC) are potential candidates for cryogenic applications as these coatings have shown good friction behavior and wear resistance at cryogenic temperatures. These coatings …
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Titanium nitride as an electrode material for high charge density applications
… of delivering such high current densities. Titanium nitride as an electrode material and other techniques like reactive ion etching, platinization of titanium were studied in this thesis towards improving charge density of electrodes. Titanium nitride (TiN) was sputtered in a custom designed …
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Structure and properties of titanium nitride-strengthened microlaminate metal matrix composites
… examines the structure and properties of titanium nitride strengthened microlaminate metal matrix composites. Reactive ion plated titanium nitride (TiN) was deposited onto titanium, nickel, and aluminum foils which were subsequently hot pressed to form microlaminate composites. The TiN …
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Growth of titanium-nitride thin films for low-loss superconducting quantum circuits
This is a study of the growth of titanium-nitride (TiN) by plasma assisted molecular beam epitaxy (MBE) for applications in low loss quantum circuits. Titanium nitride is a material known to have low loss at microwave frequencies which sees practical use in many emerging quantum device …
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Kinetic and Microstructural Study of Titanium Nitride Deposited by Laser Chemical Vapor Deposition
The deposition apparent activation energy was calculated as 122 $\pm$ 9 kJ/mole using growth rates measured by film height and 117 $\pm$ 23 kJ/mole using growth rates measured by LIF signals. This puts the process in the surface kinetic growth regime over the temperature range 1370-1610 K. Above …
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Nucleation Kinetics During Homoepitaxial Growth of Titanium Nitride(001) by Reactive Magnetron Sputtering
I use scanning tunneling microscopy to study the nucleation of homoepitaxial stoichiometric TiN layers grown on TiN(001) by ultrahigh vacuum reactive magnetron sputtering in pure N2. Nucleation lengths are measured using in-situ scanning tunneling microscopy as a function of temperature and …
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Investigation on plasma properties for deposition of titanium nitride film using reactive magnetron sputtering system
… and industrial process especially formation of titanium nitride (TiN) films due to its high hardness, good wear resistance, low friction coeffcient and chemical stability. These TiN films have been commonly used in microelectronics and coatings area. However, formation of TiN thin flms in nano …
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Synthesis and characterization of low pressure chemically vapor deposited boron nitride and titanium nitride films
… resulting compositions, and properties of boron nitride (B-C-N-H) and titanium nitride (Ti-N-Cl) films synthesized by low pressure chemical vapor deposition (LPCVD) using ammonia (NH_3)/triethylamine-borane and NH_3/titanium tetrachloride as reactants, respectively.Several analytical methods such …
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Laser Chemical Vapor Deposition of Titanium Nitride and Process Diagnostics With Laser-Induced Fluorescence Spectroscopy
TiN films have been deposited on Ti-6Al-4V substrates by a cw CO$\sb2$ laser chemical vapor deposition (LCVD) process with TiCl$\sb4$, H$\sb2$, and N$\sb2$. Pulsed dye laser induced fluorescence (LIF) spectroscopy is used to obtain transient gas phase Ti atomic concentration above the substrate. …
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Reactive Plasma Etching of Silicon Carbide, Silicon Carbonitride, and Titanium Nitride in a Tetrafluoroethane/Oxygen Plasma
… We will use silicon carbide (SiC), silicon carbonitride (SiCN), and titanium nitride (TiN) as our diffusion layer. Using the RF plasma and the magnetron gun with 1,1,1,2 tetrafluoroethane and oxygen as the active gases, we will obtain a reliable and reproducible method for determining the maximum …
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Effect of Titanium Nitride Surface Layers on Deuterium Absorption and on Sub-Surface Concentration Profiles in Titanium
… of nitrogen in close packed hexagonal (cph) titanium TiN x, with x decreasing from 25 at. % to 1 at. % over a depth of 3000--7000 A. In the third region, the nitrogen concentration is below 1 at. %. The deuterium concentration in the first two regions is in the range of 0.1--1.0 at. %, which …
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In Situ Investigation of Titanium Nitride Surface Dynamics: The Role of Surface and Bulk Mass Transport Processes
Embargo set by: Seth Robbins for item 84098 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs
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In Situ High-Temperature Scanning Tunneling Microscopy Studies of Early Stage Growth Kinetics During Titanium Nitride Epitaxy
During the course of my research, I have developed methods to grow atomically-smooth TiN(001) and (111) single-crystal layers with simple well-defined single-atom-high 2D island configurations on large atomically-smooth terraces. I used in situ scanning tunneling microscopy to study time- and …
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Synthesis and characterization of Titanium Nitride Nanowires for neural-electrode coatings for improving electrode/neuron interface in the brain
… at reduced electrode dimensions. Titanium Nitride thin film (TiN) has been implemented previously in neural-electrode application due to its apposite properties. The work described here is aimed towards the synthesis of a novel TiN Nanowire interface (TiN-NW) as a potential …
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Tribological and structural properties of titanium nitride and titanium aluminum nitride coatings deposited with modulated pulsed power magnetron sputtering
The demand for economical high-performance materials has brought attention to the development of advanced coatings. Recent advances in high power magnetron sputtering (HPPMS) have shown to improve tribological properties of coatings. These coatings offer increased wear and oxidation resistance, …
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