Essays about: "diffusion barrier layer"

Found 5 essays containing the words diffusion barrier layer.

  1. 1. Flashlamp Annealing for Improved Ferroelectric Junctions

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Theodor Blom; [2023]
    Keywords : Flashlamp annealing; ferroelectricity; hafnia oxide; III-V semiconductor; thermal annealing; device performance; Technology and Engineering;

    Abstract : The effects of flashlamp annealing (FLA) on the quality of ferroelectric HfxZr1–xO2 (HZO) interfaces, integrated on InAs substrates, are evaluated. For the integration of ferroelectric HZO on III-V semiconductors the crystallization via rapid thermal processing (RTP) can severely degrade the HZO/III-V interface. READ MORE

  3. 2. Investigation of Methods to Improve PZT Sol-Gel Deposition Process for Energy Harvesting Applications

    University essay from KTH/Hälsoinformatik och logistik

    Author : Mikael Granberg; [2022]
    Keywords : PZT; sol-gel; self-polarization; seed layer; titanium oxidation; PZT; sol-gel; självpolarisering; seedlager; titanoxidering;

    Abstract : The purpose of this work was to investigate ways to modify Silex sol-gel deposition of PZT (PbZrxTi(1-x)O3, Lead Zirconate Titanate) in order to improve its properties for energy harvesting applications. A number of methods to improve the figure of merit for energy harvesting (FOM= e312/ε), cause self-polarization, increase lifetime, reduce cost, increase throughput or simplify processing were tested. READ MORE

  4. 3. A study of the photochromic effect in oxygen containing rare-earth metal hydride thin films and multilayer structures

    University essay from Uppsala universitet/Tillämpad kärnfysik

    Author : Sigurbjörn Már Aðalsteinsson; [2020]
    Keywords : ;

    Abstract : In this work, we have studied the photochromic response of several oxygen containing rare-earth hydride thin films (REHO, RE = Y, Nd, Gd, and Dy). Their chemical composition was characterized by an iterative multi-method approach based on ion beams, while the photochromic effect was measured by means of optical spectrometry. READ MORE

  5. 4. Investigation of Wafer Level Au-Si Eutectic Bonding of Shape Memory Alloy (SMA) with Silicon

    University essay from KTH/Mikrosystemteknik

    Author : Sobia Bushra; [2011]
    Keywords : ;

    Abstract : The objective of this research work was to investigate the low temperature gold silicon eutectic bonding of SMA with silicon wafers. The research work was carried out to optimize a bond process with better yield and higher bond strength. READ MORE

  6. 5. Development of a Dense Diffusion Barrier Layer for Thin Film Solar Cells

    University essay from Plasma och beläggningsfysik

    Author : Sankara Pillay; [2009]
    Keywords : thin film; diffusion barrier layer;

    Abstract : Tantalum diffusion barrier coatings were investigated as a way to improve the conversion efficiency of CIGS (copper indium gallium diselenide) solar cells.  Tantalum coatings were deposited upon silicon and stainless steel foil substrates using direct current magnetron sputtering (DcMS) and high power impulse magnetron sputtering (HiPIMS). READ MORE