Structural properties of SrCeO3/SrZrO3 proton conducting superlattices

Hiroo Yugami, Fumitada Iguchi, Hitoshi Naito

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


High temperature proton conducting oxides having distorted-perovskite structure show high protonic conduction at elevated temperatures, and have been applied in the sensors and energy conversion devices. In order to control the distortion of crystal structure, we have fabricated SrZrO3-SrCeO3 superlattices (SLs) by laser ablation technique and have investigated the structural and electrical properties. The epitaxial growth on MgO (110) substrates is confirmed from 4-axis X-ray diffraction analysis. From the dependence of lattice constant on superlattice periodicity, it is confirmed that critical periodicity make strained superlattice is about 15-20 nm for system SrZrO3/SrCeO3 on MgO (110).

Original languageEnglish
Pages (from-to)203-207
Number of pages5
JournalSolid State Ionics
Publication statusPublished - 2000 Nov 2


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