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采用溶胶-凝胶法(sol-gel),以LaNiO3(LNO)为底电极在/Pt/Ti/SiO2/Si(100)衬底上生长了(Pb1-xLax)Ti1-x/4O3(x=28 mol%,简称PLT)薄膜.经过600℃快速退火.从而得到了多晶钙钛矿结构PLT薄膜.薄膜漏电流和电压极性有关,当在Pt电极或LNO电极施加负偏压时,在低电场作用下,Pt/PLT和PLT/LNO界面分别形成肖特基势垒和欧姆接触;在高电场作用下,Pt/PLT和PLT/INO界面的漏电流均呈现空间电荷限制电流导电机制.这是因为用金属氧化物LNO做底电极的缘故.

参考文献

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