Essays about: "Johannes Brask"
Found 2 essays containing the words Johannes Brask.
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1. The development of scanning X-ray diffraction phase mapping techniques using automated Rietveld refinements.
University essay from Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionenAbstract : A methodology for determining inhomogeneities in microstructural features has been established using scanning X-ray diffraction (SXRD) and automated Rietveld refinements. The method has proven successful for spatially resolved quantitative phase analysis or "phase mapping" of retained austenite on a variety of martensitic steel samples, including carbon case-hardened steel bars and quenching and partitioning (Q&P) steel sheets. READ MORE
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2. STM-based characterization of single GaInP photovoltaic nanowires
University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionenAbstract : The I-V and photovoltaic properties of III-V semiconducting GaInP nanowires have been studied using a scanning tunneling microscope (STM) in evaluation for usage as a potential "sub cell" in a nanowire based tandem solar cell configuration. This evaluation required precise I-V characterization and photo response measurements of individual nanowires. READ MORE