机械化学合成非晶态快离子导体50 SISOMO（50 AgI-25 Ag 2 O-25 MoO 3）的表征和特性
Characterization and Characteristics of mechanochemically synthesized amorphous fast ionic conductor 50 SISOMO (50AgI-25Ag2O-25MoO3)
摘要：
机械化学合成的非晶态50 SISOMO [50 AgI-25Ag_2O-25MoO_3]快离子导体在室温下具有约6 × 10 ^-3 Ω^-1 cm-1的高离子电导率。球磨36 h的样品离子电导率最高，比室温下的AgI晶体高出3个数量级以上。样品在至少高达~70 °C下是热稳定的。在300- 330 K温度范围内对50个SISOMO非晶态快离子导体（a-SIC）进行了热电功率研究。热电功率（S）与绝对温度的倒数成线性关系，可用公式-S = [（0.19 \times 10 ^3/T）+ 0.25] mV/K表示。Ag+离子的传输热（q*），即0.19 eV，几乎等于从电导率曲线计算的Ag+离子迁移的活化能（E），即0.20 eV，表明该材料具有平均结构。这也是与早期的理论一致的离子在离子固体中的运输热。
英文摘要：
Mechanochemically synthesized amorphous 50SISOMO [50AgI-25Ag_2O-25MoO_3] fast ionic conductor shows high ionic conductivity of ~ 6x10^-3 Ω^-1 cm-1 at room temperature. The highest ionic conductivity is achieved for 36 h milled sample, which is more than three orders of magnitude higher than that of crystalline AgI at room temperature. The samples are thermally stable at least up to ~70 °C. Thermoelectric power studies on 50 SISOMO amorphous fast ionic conductors (a-SIC) have been carried out in the temperature range 300-330K. Thermoelectric power (S) is found to vary linearly with the inverse of the absolute temperature, and can be expressed by the equation -S = [(0.19 \times 10^3/T) + 0.25] mV/K. The heat of transport (q*) of Ag+ ion i.e. 0.19 eV is nearly equal to the activation energy (E) i.e. 0.20 eV of Ag+ ion migration calculated from the conductivity plots indicating that the material has an average structure. This is also in consonance with earlier theories on heats of transport of ions in ionic solids.
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