Search for dissertations about: "energy p"

Showing result 21 - 25 of 558 swedish dissertations containing the words energy p.

  2. 21. Growth and microstructure of reactive sputter deposited boron nitride : carbon (BN:C) thin films

    Author : Mats P. Johansson; Linköpings universitet; []
    Keywords : ;

    Abstract : Growth, microstructure and mechanical properties of boron nitride: carbon (BN:C) have been studied in films prepared by reactive r.f. diode sputter deposition as well as by reactive unbalanced d.c. READ MORE

  4. 22. Reactive Sputtering of Cubic-Phase BN:C and Nanostructured B-N-C Films : Growth, Microstructure, and Mechanical Properties

    Author : Mats P. Johansson; Ivan Petrov; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Synthesis, structure, and mechanical property related issues in the carbon-containing boron nitride (BN:C) system have been studied. Magnetron sputtering, comprising a B4C target in mixed Ar-N2 discharges and deposition parameters of low ion energy, high ion-to-neutral flux ratio, and substrate temperatures ... READ MORE

  5. 23. Probing Paramagnetic Systems by Solid-State NMR Spectroscopy

    Author : José P. Carvalho; Andrew J. Pell; Sharon Ashbrook; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Solid-state NMR; Magic-Angle Spinning; Paramagnetic NMR; Frequency-Swept Adiabatic Pulses; Quantum Chemistry; Quadrupolar Interaction; Physical Chemistry; fysikalisk kemi;

    Abstract : Paramagnetic systems have a wide range of applications ranging from energy storage or conversion to catalytic processes, metalloproteins and light-emitting materials. Over the recent years nuclear magnetic resonance (NMR) spectroscopy has become an established tool for studying the structural and electronic properties of these systems, largely because it can provide a link between the structure and the bulk properties. READ MORE

  6. 24. Ellipsometric studies of SiC in the infrared, visual and ultraviolet spectral region

    Author : O. P. Alexander Lindquist; Stergios Logothetidis; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Spectroscopic ellipsometry has been used to determine the dielectric function of the most common polytypes, 3C, 4H and 6H, of SiC and also of some related materials. Measurements have been performed in the infrared, visible and ultraviolet energy region. READ MORE

  7. 25. Optical characterization of wide band gap materials by spectroscopic ellipsometry

    Author : O. P. Alexander Lindquist; Linköpings universitet; []
    Keywords : Wide Band Gap materials; ellipsometry; SiC; GaN;

    Abstract : Spectroscopic ellipsometry has been employed in the study of wide band gap materials. Ellipsometry is based on the study of changes in the polarization state of light upon reflection on a surface. READ MORE