摘要
利用射频磁控溅射技术,以PbOx为过渡层,在Pt(111)/Ti/SiO2/Si(100)衬底上,采用原位溅射技术制备了高度(100)取向的[(Pb0.90La0.10)Ti0.975O3/Pb(Zr0.20Ti0.80)O3]n(n=1,2){筒记为[PLT/PZT]。)多层铁电薄膜,研究了层数对多层铁电薄膜介电性能和铁电性能的影响。研究得出,(100)取向的PbOx,过渡层导致了[PLT/PZT]。多层铁电薄膜的(100)择优取向;高度(100)择优取向的[PLT/PZT]2薄膜具有更大的剩余极(2Pr=31.45μC/cm)和更好的“蝴蝶”状C-V曲线。这些研究结果表明,所制备的(100)取向的[PLT/PZT]2多层铁电薄膜具有优良的铁电性能。
Highly (100)-oriented [(Pb0.9oLa0.10)Ti0.975O3/Pb(Zr0.20Ti0.80)O3],(n=1,2) [PLT/PZT], multilayered thin films were in situ deposited on the PbOx buffer layer/Pt(111)/Ti/SiO2/Si(100) by RF magnetron sputtering. The PbOx buffer layer leads to the (100)-oriented [PLT/PZT], multilayered thin films. The effect of layer's number on the dielectric and ferroelectric properties of [PLT/PZT]n multilayered thin films was studied. The experimental results indicate that the highly (100)-oriented [PLT/PZT]2 multilayered films possessed better dielectric and ferroelectric properties with larger remnant polarization (2Pr=31.45 μC/cm^2) and better butterfly-shaped C-V characteristic curve as compared with the (100)-oriented [PLT/PZT]1 multilayered films. These results show that the [PLT/PZT]2 multilayered thin films possess good ferroelectric properties.
出处
《功能材料》
EI
CAS
CSCD
北大核心
2007年第A02期779-781,共3页
Journal of Functional Materials
基金
国家自然科学基金重点资助项目(50132020)
国家重点基础研究发展计划(973计划)资助项目(Z0601).
关键词
PLT/PZT
多层铁电薄膜
磁控溅射
(100)取向
电学性质
PLT/PZT
ferroelectric multilayered thin films
RFmagnetronsputtering
(100)orientation
electricalproperties