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Julius-Maximilians-Universität Würzburg Sanderring 2 97070 Würzburg, Germany http://www.uni-wuerzburg.de
Contact Mr Robert Emmerich +49 931 312750
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Julius-Maximilians-Universität Würzburg

Der duennste Draht der Welt

(PresseBox) (Würzburg, )
Er ist aus Gold gemacht und eine Million Mal feiner als das Haar eines Menschen: der dünnste Draht der Welt. Physiker der Universität Würzburg können ihn herstellen. Sie hoffen, dass er dank seiner verblüffenden Eigenschaften später einmal den Boden bereitet für Neuerungen in der Technik. Neues aus der Welt der Nanodrähte berichten sie im Fachblatt Physical Review Letters.

Die winzigen Drähte entstehen am Lehrstuhl von Ralph Claessen. "Wir dampfen Goldatome auf Plättchen aus Germanium auf, die einen Zentimeter lang und drei Millimeter breit sind. Das geschieht im Ultrahochvakuum bei 500 Grad Celsius", erklärt Privatdozent Jörg Schäfer im Labor.

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