Crystallographic and Dielectric Properties of Pb(Mg1⁄2W1⁄2)O3–BiFeO3 Solid Solutions

Kenji Uchino, Shoichiro Nomura

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Abstract

Solid solutions of Pb(Mg1⁄2W1⁄2)O3–BiFeO3 were investigated for crystallographic and dielectric properties. A new pseudocubic perovskite phase was found, and was tentatively indexed as cubic with the same unit cell (multi-perovskite-cell of 2×2×2) as Pb(Mg1⁄2W1⁄2)O3 in cubic phase, but with dielectric properties characteristic of a ferroelectric substance. The Curie point in this series of solid solutions has minimum of about −95°C at a composition of about 0.88Pb(Mg1⁄2W1⁄2)O3–0.12BiFeO3, which lies on the boundary between the orthorhombic (pseudo-tetragonal) antiferroelectric and the pseudo-cubic ferroelectric phases.

Original languageEnglish (US)
Pages (from-to)1351-1354
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume17
Issue number8
DOIs
StatePublished - Jan 1 1978

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All Science Journal Classification (ASJC) codes

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

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