Chemically induced interface migration in PZT system during controlling of PbO content

In Chul Park, Seuk Chul Ko, Joon Hyung Lee, Jeong Joo Kim, Sang Hee Cho

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Chemically induced interface migration (CIIM) in Pb[(Co 1/3Nb2/3)0.1Zr0.6Ti 0.3]O3 (PCNZT) ceramics was investigated while controlling the PbO content. After sintering, stoichiometric samples were heat-treated in a PbO atmosphere allowing diffusion of PbO into grain boundaries (alloying), while the samples with excess PbO were heat-treated in air in order to promote PbO evaporation (dealloying). In both cases, an interface moving against their curvature was observed. Because of the zigzag structure of the grain boundaries, the mechanical properties improved.

Original languageEnglish
Pages (from-to)117-120
Number of pages4
JournalIntegrated Ferroelectrics
Volume63
DOIs
StatePublished - 2004

Keywords

  • Chemically induced interface migration
  • Mechanical property
  • Piezoelectric ceramics

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