Dies gelang durch rasches Erwärmen der Probe auf 400 Grad Celsius und anschließendes kurzes Ausglühen.
Die entscheidende Technik, mit der sie das Dazwischenschieben – Interkalation genannt - der Fulleren-Moleküle beobachten konnten, war die Rastertunnelmikroskopie.
Bei dieser Messung wird eine elektrisch leitende Spitze Zeile für Zeile über die ebenfalls leitende Probenoberfläche gefahren.
www.helmholtz-berlin.deThey achieved this by rapidly heating the sample to 400 degrees Celsius, followed by brief annealing.
The crucial technique that allowed them to observe the fullerene molecules as they squeezed their way in – a process called intercalation – was scanning tunnelling microscopy.
An electrically conductive stylus tip is systematically scanned over the sample surface, which is also conductive.
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