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Nanowissenschaft: Schwache Kraft / Starke Wirkung

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Für die Bindung bestimmter organischer Moleküle auf metallischen Oberflächen ist ausschließlich die Van der Waals-Kraft, eine schwache Anziehungskraft, verantwortlich. In einem Modell für organische Bauelemente sorgt allein diese Kraft für die Bindung eines organischen Films auf eine metallene Unterlage. Diese jetzt in Physical Review Letters veröffentlichten Daten sind das jüngste Ergebnis eines vom Wissenschaftsfonds FWF unterstützen Nationalen Forschungsnetzwerks (NFN). Tatsächlich machen sie die Überarbeitung zahlreicher Berechnungsmodelle für die physikalischen Interaktionen dünner Filme mit ihrem Trägermaterial erforderlich.

Trotz der Erfüllung komplexer Funktionen z. B. als Computerchips sind anorganische Halbleiter einfach aufgebaut, was ihren Anwendungsmöglichkeiten enge Grenzen setzt. Anderes gilt für Halbleiter,
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