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astro-ph.EP2025
The molecular chemistry of nanoscale organic matter in asteroid Ryugu
Christian Vollmer, Demie Kepaptsoglou, Johannes Lier +2
The analysis of biorelevant molecules in returned mission samples such as from the carbonaceous asteroid (162173) Ryugu is key to unravelling the role of extraterrestrial organics…
cond-mat.mtrl-sci2025
Fabrication and characterization of boron-terminated tetravacancies in monolayer hBN using STEM, EELS and electron ptychography
Dana O. Byrne, Stephanie M. Ribet, Demie Kepaptsoglou +3
Tetravacancies in monolayer hexagonal boron nitride (hBN) with consistent edge termination (boron or nitrogen) form triangular nanopores with electrostatic potentials that can be l…