Observation of fine structures of nanodomains in donor-modified Pb(Zr,Ti)O3 ferroelectrics

Qi Tan*, Jianxing Li

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


A nanodomain morphology comprising fine structures of less than 5 nm spacing was observed in oxygen deficient lead zirconate titanates modified by La, Ca, and Sr. Oxidation of samples can eliminate the fine structures and facilitate polarization switching. Although grain growth after high temperature annealing results in normal domain morphology and complete polarization switching, irregular and fragmented domains remain. These fine domain structures were explained in terms of local polarization pinning due to oxygen vacancies and antisite substitutents.

Original languageEnglish
Pages (from-to)2021-2023
Number of pages3
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Issue number4
StatePublished - 2000
Externally publishedYes


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