Palladium-coordinated Al4 butterfly clusters in the palladium-rich aluminides RE4Pd11Al8 (RE = Y, Sm, Gd–Lu). - Gerke, Birgit; Block, Theresa; Niehaus, Oliver; Baldauf, Jasper Arne; Pöttgen, Rainer (Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2025)