• openAccess   Non-Ohmic Phenomena in Mn-doped BaTiO3 

      Prades Tena, Marta; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Alonso, Pablo J.; Masó, Nahum; West, Anthony R. Wiley-Blackwell (2012)
      We report here a novel effect in which the resistance of a semiconducting oxide ceramic increases on application of a small dc bias. The ceramic conducts at high temperatures by an n-type hopping mechanism. On application ...