Magnetic properties of a complex with pentagonal bipyramidal Co(II) units forming a triangular spin necklaceRemoveHironori Yamaguchi, Satoshi Morota, Shinnosuke Murakami, Nicolas Suaud, Koji Araki, Kazutoshi Shimamura, Yasuo Yoshida, Takanori Kida, and Masayuki HagiwaraPhys. Rev. Materials 10, 084411 (2026)