Characterization and magnetic properties of two mixed-valence compounds A2MnⅡMn2III (SeO3) 6 (A= Sr and Ba)

C Lu, Y Zhang, M Cui, Z Zhao, Z He - Journal of Magnetism and Magnetic …, 2023 - Elsevier
Abstract A 2 Mn Ⅱ Mn 2 III (SeO 3) 6 (A= Sr and Ba) are found to have a monoclinic space
group P2 1/c, where Mn 3+ ions form a distorted honeycomb lattice centred by the Mn 2+ …