S. Dekura*, Y. Sunairi, K. Okamoto, F. Takeiri, G. Kobayashi, Y. Hori*, Y. Shigeta, H. Mori*, “Effects of mechanical grinding on the phase behavior and anhydrous proton conductivity of imidazolium hydrogen succinate”, Solid State Ionics, 372, 115775 (2021). doi: 10.1016/j.ssi.2021.115775