Higher Dimensionality in the Mg–Co–B System: Synthesis and Structure of Incommensurate Composite Mg 1+ε Co 4 B 4 - Paul Oftedahl; Gourab Bhaskar; Nawsher J. Parvez; Zhen Zhang; Yang Sun; John Q. Xiao; Thomas Proffen; Oleg I. Lebedev; Julia V. Zaikina (Journal of the American Chemical Society, 2025)