Search for dissertations about: "thin film"

Showing result 16 - 20 of 710 swedish dissertations containing the words thin film.

  1. 16. Structure of thin-film oxides: an ab initio study of TiC/Alumina

    Author : Jochen Rohrer; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Interface Atomic Structure; Growth; Alumina; Electronic Structure; DFT; Thin Film;

    Abstract : Oxides and oxide films play a major role in present-daytechnologies. Identification and analysis of their atomic andelectronic structure are important to develop new functionalmaterials. READ MORE

  2. 17. Plasma Characterization & Thin Film Growth and Analysis in Highly Ionized Magnetron Sputtering

    Author : Jones Alami; Ulf Helmersson; James Bradley; Linköpings universitet; []
    Keywords : Highly ionized pulsed magnetron sputtering; HPPMS; HPPIMS; thin film; plasma analysis; Langmuir probe; TECHNOLOGY; TEKNIKVETENSKAP;

    Abstract : The present thesis addresses two research areas related to film growth in a highly ionized magnetron sputtering system: plasma characterization, and thin film growth and analysis. The deposition technique used is called high power pulsed magnetron sputtering (HPPMS). READ MORE

  3. 18. Sputtering-based processes for thin film chalcogenide solar cells on steel substrates

    Author : Patrice Bras; Charlotte Platzer-Björkman; Eric Jaremalm; Jan Sterner; Veronica Bernudez; Uppsala universitet; []
    Keywords : CIGS; CZTS; solar cell; photovoltaics; thin film; sputtering; annealing; gallium grading; blister; uniformity; stainless steel; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Abstract : Thin film chalcogenide solar cells are promising photovoltaic technologies. Cu(In,Ga)Se2 (CIGS)-based devices are already produced at industrial scale and record laboratory efficiency surpasses 22 %. Cu2ZnSn(S,Se)4 (CZTS) is an alternative material that is based on earth-abundant elements. READ MORE

  4. 19. Window Layer Structures for Chalcopyrite Thin-Film Solar Cells

    Author : Fredrik Larsson; Tobias Törndahl; Jan Keller; Marika Edoff; Daniel Lincot; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CIGS; atomic layer deposition; ALD; thin-film technology; window layer structures; buffer layers; front contacts; metal oxides; ternary compounds; CIGS; tunnfilmssolceller; ALD; tunnfilmsteknik; fönsterlager; buffertlager; framkontakter; metalloxider; ternära föreningar; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Abstract : This thesis aims to contribute to the development of improved window layer structures for chalcopyrite thin-film solar cells, with an emphasis on the buffer layer, to assist future reductions of the levelized cost of energy. This is realized by exploring the potential of existing materials and deposition processes, as well as developing new buffer layer processes based on atomic layer deposition (ALD). READ MORE

  5. 20. Reactive Sputter Deposition of Functional Thin Films

    Author : Lina Liljeholm; Jörgen Olsson; Ilia Katardjiev; Tomas Nyberg; Gonzalo Fuentes Iriarte; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; thin film; reactive sputtering; coating; resonator; sensor; FBAR; SMR; aluminum nitride; Al; B N; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Abstract : Thin film technology is of great significance for a variety of products, such as electronics, anti-reflective or hard coatings, sensors, solar cells, etc. This thesis concerns the synthesis of thin functional films, reactive magnetron sputter deposition process as such and the physical and functional characterization of the thin films synthesized. READ MORE