Dresden 2026 – scientific programme
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O: Fachverband Oberflächenphysik
O 3: Scanning probe techniques: Method development I
O 3.2: Talk
Monday, March 9, 2026, 10:45–11:00, HSZ/0204
Scanning probe microscopy investigation on cyclocarbons — •Jakob Eckrich1, Lisanne Sellies1, Marco Vitek3, Yueze Gao2, Fabian Paschke1, Florian Albrecht1, Leonard-Alexander Lieske1, Harry L. Anderson2, Igor Rončević3, and Leo Gross1 — 1IBM Research Europe - Zurich, Rüschlikon, Switzerland — 2Oxford University, Oxford, UK — 3University of Manchester, Manchester, UK
I will discuss our recent investigations of cyclocarbons by means of scanning tunneling microscopy (STM) and atomic force microscopy (AFM). Cyclocarbons, molecular carbon allotropes consisting of a ring of two-fold coordinated carbon atoms, have been synthesized on surface using tip-induced chemistry [1-3], and the formation of larger cyclocarbons by dimerization of precursors was shown [3]. This talk will focus on the generation and investigation of large cyclocarbons.
[1] K. Kaiser et al., Science, 365, 1299-1301 (2019) [2] L. Sun et al., Nature, 623, 972-976 (2023) [3] F. Albrecht et al., Science, 384, 677-682 (2024)
Keywords: Tip-induced chemistry; Cyclocarbons; STM; AFM; Single molecule