Arrhenius plot of PO_2--independent conductivity gave the activation energy of 0.16eV for MgFe_2O_4. It shows the conduction mechanism was thermally activated hopping of small polarons.

 
  • 以不依赖氧分压变化的电导率对数对温度的倒数作图;求得镁铁氧体(MgFe_2O_4)的激活能为0.;16eV;由此推断了它的电导机理为跳跃式电导模型。
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