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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Characterization of semiconducting nanowires
 Novotný, Karel ; Grym, Jan (referee) ; Kolíbal, Miroslav (advisor)
This diploma thesis is focused on characterization of semiconductive nanowires. Theoretical part of thesis deals with basic physical properties of TiO2 and a search of selected properties of titanium dioxide nanostructures is preseted. The experimental part describes several spectroscopic measurements carried out with complex of TiO2 nanowires. The influence of gold nanoparticles (deposited on the nanowire surface) on sample properties is also tested. The final part of thesis is devoted to methodology for measurement of electrical properties. These experiments are carried out only with one nanowire. Focused electron beam induced deposition (resp. Focused ion beam induced deposition) and electron lithography are utilized.
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Characterization of semiconducting nanowires
 Novotný, Karel ; Grym, Jan (referee) ; Kolíbal, Miroslav (advisor)
This diploma thesis is focused on characterization of semiconductive nanowires. Theoretical part of thesis deals with basic physical properties of TiO2 and a search of selected properties of titanium dioxide nanostructures is preseted. The experimental part describes several spectroscopic measurements carried out with complex of TiO2 nanowires. The influence of gold nanoparticles (deposited on the nanowire surface) on sample properties is also tested. The final part of thesis is devoted to methodology for measurement of electrical properties. These experiments are carried out only with one nanowire. Focused electron beam induced deposition (resp. Focused ion beam induced deposition) and electron lithography are utilized.
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První spektroskopicky měření na tokamaku COMPASS
 Naydenkova, Diana ; Stöckel, Jan ; Weinzettl, Vladimír ; Šesták, David ; Havlíček, Josef
Spectroscopic measurements were performed on the re-installed COMPASS tokamak during the first experiments. The impurity survey spectrometer HR 2000+ was used for registration of the most intensive spectral lines in the visible range 457-663nm temporally integrated over the discharge duration. An attempt to estimate the ion temperature from Doppler broadening of selected spectral lines is described.
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