Fig. 3: Magnetic elucidation of the existence of O− in Na2-xMn3O7.
From: Nonpolarizing oxygen-redox capacity without O-O dimerization in Na2Mn3O7
a The inverse of a magnetic susceptibility (χ) as a function of temperature, and b Curie constant (C) and Weiss temperature (Θ) for Na2-xMn3O7 during the second cycle. Filled and empty circles correspond to data points for the charge and discharge processes, respectively.
