114 research outputs found

    Die ganze Welt zu Füßen?: eine Ethnografie vom Bleiben in Zeiten globaler Mobilität; Räume und Spielräume der Lebensgestaltung junger indigener Frauen im russischen Norden

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    Zur Vielfalt der Ethnonyme der Evenen

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    Vierte wissenschaftliche Sitzung

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    Raman spectra from laser-processed lead zirconate titanate (PbZr0.3Ti0.7O3) prepared by a sol-gel process

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    We report on investigations of laser-induced crystallization of PbZr0.3Ti0.7O3 (PZT) gel-powder. By means of micro-Raman spectroscopy, and of optical and scanning electron micrography (SEM), we show that, upon laser irradiation, amorphous PZT material is transformed into microcrystals of the perovskite structure. It was found that the laser-induced crystallization is much faster than crystallization through calcination in a conventional oven
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