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利用脉冲激光沉积技术(PLD)在MgO单晶片基底上制备Ce0.8Sm0.2O2-δ/ZrO2∶Y2O3 (SDC/YSZ)双层电解质薄膜.X射线衍射仪(XRD)和扫描电子显微镜(SEM)的结果显示SDC/YSZ双层电解质薄膜沿(111)方向择优生长,随着退火温度的升高,薄膜变得均匀致密,结晶度得到改善,(111)衍射峰强度变大,择优生长取向明显;电化学测量表明,SDC/YSZ双层电解质薄膜的离子电导率比单层YSZ薄膜的离子电导率高.

参考文献

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[3] Osamu Yamamoto.Solid oxide fuel cells: fundamental aspects and prospects[J].Electrochimica Acta,200015/16(15/16):2423-2435.
[4] Matsui T;Kosaka T;Inaba M;Mineshige A;Ogumi Z.Effects of mixed conduction on the open-circuit voltage of intermediate-temperature SOFCs based on Sm-doped ceria electrolytes[J].Solid state ionics,20057/8(7/8):663-668.
[5] Suzuki T.;Kosacki I.;Anderson HU..Microstructure-electrical conductivity relationships in nanocrystalline ceria thin films[J].Solid state ionics,20021/4(1/4):111-121.
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