Sökning: "sputtering"

Visar resultat 16 - 20 av 96 uppsatser innehållade ordet sputtering.

1. 16. Photocatalytic activity of titanium dioxide thin films deposited with high power impulse magnetron sputtering

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Fasta tillståndets elektronik

   Författare :Victor Eriksson; [2021]
   Nyckelord :Photocatalysis; Titanium dioxide; Thin film; HiPIMS; Sputtering; Stearic acid;

   Sammanfattning : High power impulse magnetron sputtering has shown a lot of promise as a way of depositing photocatalytic thin films of titanium dioxide at low temperatures, however, the films deposited are often amorphous and display uncertain photocatalytic abilities. This thesis explores the deposition and characterization of photocatalytic thin films deposited with high power impulse magnetron sputtering. LÄS MER

3. 17. Magnetron Sputter Epitaxy of High-quality GaNand Plasma Characterization of the Process : Degree Project–Master’s Thesis

   Master-uppsats, Linköpings universitet/Tunnfilmsfysik

   Författare :Yi-Ling Lo; [2021]
   Nyckelord :GaN; Semiconductors; Nanomaterials; Thin film; Magnetron Sputtering; Epitaxy; XRD; Physical Vapor Deposition;

   Sammanfattning : Several sputtering depositions were done by direct current (DC) magnetron sputtering epitaxy (MSE) techniquefor the goal of improving the growth rate and crystalline quality of GaN thin film on Al2O3 substrate. Thegrowth rate was higher when substrate-to-target distance D = 7 cm compared with D = 9. LÄS MER

4. 18. Multicomponent TiNbCrAl nitride films produced by DCMS and HiPIMS

   Master-uppsats, Linköpings universitet/Tunnfilmsfysik

   Författare :Grzegorz Sadowski; [2021]
   Nyckelord :High entropy nitrides; thin film; HiPIMS; hardness;

   Sammanfattning : High entropy alloys (HEAs) are made of at least five principal elements in near-equimolar proportions. The vast number of possible alloys and unconventional combinations of properties are the main benefits of HEAs. Ti, Nb, Cr, Al and N were chosen in order to create a hard, corrosion resistant coating with good thermal stability. LÄS MER

5. 19. Surface Engineering of Bipolar Plates for PEM-Water Electrolysis : Cost-Effective Corrosion Protection

   Master-uppsats, Linköpings universitet/Tunnfilmsfysik

   Författare :Tristan Dettke; [2021]
   Nyckelord :Hydrogen; Water Electrolysis; Fuel Cells; Bipolar Plates; Thin Films; Coatings; Impact Coatings; IFM; Tristan Dettke; PEM;

   Sammanfattning : Hydrogen production by PEM-Water electrolysis is an environmentally benign and promising approach to store excess energy from renewable energy sources but facing drawbacks of high costs, mainly due to a harsh cell-environment. The aim of my Master Thesis was to reduce the costs of the most expensive cell component, the bipolar plate by surface engineering. LÄS MER

7. 20. Correlating Photoconductivity with Photochromism in Oxygen-containing Rare-earth Metal Hydride Thin Films

   Master-uppsats, Uppsala universitet/Materialfysik

   Författare :Suraya Kazi; [2021]
   Nyckelord :Rare-earth metal hydride; Thin film synthesis; Thin film characterization; Optical properties; Electrical properties; Chemical composition; Photochromic materials; Photoconductivity;

   Sammanfattning : Scientists have recently discovered simultaneous photoconductivity and photochromism (i.e., optical switching upon light exposure) of oxygen-containing rare-earth metal hydrides (REMHO). A deep understanding of these extraordinary optical and electrical properties can open the door to advanced technological uses such as smart windows. LÄS MER