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Pulsed linear antenna microwave plasma – a step ahead in large area material depositions and surface functionalization
Kromka, Alexander ; Babchenko, Oleg ; Ižák, Tibor ; Potocký, Štěpán ; Davydova, Marina ; Neykova, Neda ; Kozak, Halyna ; Remeš, Zdeněk ; Hruška, Karel ; Rezek, Bohuslav
A technological progress in the large area growth of diamond films and carbon nanotubes by the modified linear antenna MW system is presented. We show a correlation between process parameters and nano- or poly-crystalline film character. A challenging part, diamond coated mirrors or ATR prisms, are shown as multifunctional optical elements suitable for detection of absorbed molecules. Additional positive feature of the presented plasma system is low temperature hydrogen functionalization of diamond films. Finally, we present that combination of pulsed MW plasma with radiofrequency substrate biasing results in growth of oriented CNTs over large area.
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A curve template for I-V characteristics of the solar cells
Fejfar, Antonín
The contribution describes a computer program for manual fitting a theoretical dependence of the current flowing through a solar cell on the voltage in a way corresponding to flexible curve templates. The template provides handles "attached" to the curve for intuitive and independent manipulation of the parameters. This makes it possible to judge the sensitivity of the fit to the individual parameters.
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