Critical properties of the S=1 spin dimer compound Ba3Mn2O8

S. Suh, K. A. Al-Hassanieh, E. C. Samulon +8

Ba3Mn2O8 is a hexagonally coordinated Mn5+ S=1 spin dimer system with small uniaxial single-ion anisotropy. 135,137Ba NMR spectroscopy is used to establish the lower critical field…