Home News Short News Acta Student Award for research on oxygen effects in complex alloys Publications of Felix Ahn All genres Journal Article (1) Journal Article (1) 1. Journal Article Lochner, F.; Ahn, F.; Hickel, T.; Eremin, I.: Electronic properties, low-energy Hamiltonian, and superconducting instabilities in CaKFe4As4. Physical Review B 96 (9), 094521 (2017) MPG.PuRe DOI