Berlin 2024 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
HL: Fachverband Halbleiterphysik
HL 14: Poster II
HL 14.14: Poster
Montag, 18. März 2024, 15:00–18:00, Poster F
Thermal scanning probe lithography (t-SPL) for quasi-1D DNA origami-based Pd nanowires — •Raghda Abdelfattah1, Borja Rodriguez-Barea1, Charlotte Kielar1, Ulrich Kemper2, Jingjing Ye2, Ralf Seidel2, and Artur Erbe1 — 1Institute of Ion Beam Physics und Material Science, Helmholtz-Zentrum Dresden-Rossendorf, Germany — 2Peter Debye Institute for Soft Matter Physics, Universität Leipzig, Germany
Theoretically, low-dimensional materials are sensitive and damaged by high energetic e-beams reducing the device conductance. Non-invasive thermal scanning probe lithography (t-SPL) has lead to clean and undamaged contact areas to atomically thin materials after pattering, reporting lower contact resistance from patterned electrodes.
In this work, we have turned our eyes to studying the recently reported DNA origami-based Pd nanowires and further performing electrical characterization to reveal the charge transport mechanism in such kind of structures. We aim to use thermal probe lithography, specifically the Nanofrazor, as a top-down fabrication tool to pattern multiple electrodes positioned on top of such nanowires. The main advantage of this technique is given by the fact that imaging of the nanostructures can be performed at the same time as structuring the electrodes. This increases the precision of contacting without the requirement of additional alignment markers. Hence, it allows us to perform electrical local characterization through various segments of the wire, providing an insight into the relationship between the nanowires' morphology and its electronic properties.
Keywords: DNA Origami; t-SPL; Nanoelectronics; Nanowires; Nanofabrication