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Hart an der Grenze: Die Dielektrizitätskonstante und elektrische Leitfähigkeit eines Komposits aus zwei Isolatoren – Poly(1,1‐difluorethylen) (gelb im Bild) und K2CO3 (weiß) – erhöhen sich drastisch in der Nähe der Perkolationsschwelle fc (f=K2CO3‐Konzentration). Dieses Phänomen lässt sich durch Grenzflächenperkolation interpretieren, die durch die Bildung chemisch aktivierter Grenzflächen verursacht...
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