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Regensburg 2016 – scientific programme

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O: Fachverband Oberflächenphysik

O 98: Organic-Inorganic Systems V: Adsorption on Metals

O 98.4: Talk

Friday, March 11, 2016, 11:15–11:30, H24

Structure formation of tetramantane[121] on copper(111) — •Marvin Stiefermann1, Daniel Ebeling1, Peter Schreiner2, and André Schrimeisen11Institut für Angewandte Physik der Justus-Liebig-Universität Gießen — 2Institut für Organische Chemie der Justus-Liebig-Universität Gießen

Nanodiamonds are nanometer sized hydrocarbon molecules, which exhibit a diamondlike structure. As for other nanosized carbon materials (e.g. nanotubes or nanoribbons) diamondoids are discussed to exhibit tunable electronic properties[1]. For future applications in nanoelectronics it is therefore inevitable to study the interaction between diamondoids and solid substrates. Here, we studied the structure formation of tetramantane[121] on a close packed metal substrate with low temperature scanning tunneling microscopy. Tetramantane was evaporated at room temperature under UHV conditions onto a clean copper(111) surface using a self-constructed molecule gun. We observed that tetramantane forms islands on copper(111). Furthermore, we discovered different phases within these islands, which show commensurability with the substrate.

[1] Adhikari et al, Nanotechnology, Volume 26, Number 3, 035701,(2015)

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