Nanostructural-property relations in complex lead perovskites

C. A. Randall, A. S. Bhalla

Research output: Contribution to journalArticle

341 Citations (Scopus)

Abstract

From transmission electron microscopy studies on several complex lead perovskite compounds Pb(B'B'')O3, and their solid solutions a classification can be obtained based on B-cation order. This classification divides the complex lead perovskites into three subgroups; random occupation or disordered, nanoscale or short coherent long-range order and long coherent long-range order of B-site cations. A correlation between the nanoscale B-site order and relaxor on glassy ferroelectric behavior is found in these lead perovskites. An hypothesis is suggested which relates 0-3 polar connectivity to 0-3 order-disorder connectivity. This hypothesis is discussed with relation to present theories [G. A. Smolenskii: J. Phys. Soc. Jpn. (1970) Suppl., p. 26, L. E. Cross: Ferroelectrics 76 (1987) 241, T. L. Renieke and K. L. Ngai: Solid State Commun. 18 (1973) 1543] and reported experimental results of the perovskite relaxor ferroelectrics.

Original languageEnglish (US)
Pages (from-to)327-333
Number of pages7
JournalJapanese Journal of Applied Physics
Volume29
Issue number2 R
DOIs
StatePublished - Feb 1990

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perovskites
Ferroelectric materials
Lead
lead compounds
cations
Perovskite
subgroups
Positive ions
occupation
solid solutions
Order disorder transitions
disorders
solid state
transmission electron microscopy
Solid solutions
Transmission electron microscopy

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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Nanostructural-property relations in complex lead perovskites. / Randall, C. A.; Bhalla, A. S.

In: Japanese Journal of Applied Physics, Vol. 29, No. 2 R, 02.1990, p. 327-333.

Research output: Contribution to journalArticle

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AU - Randall, C. A.

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