Synthesis and properties of a new quadruple perovskite: A-site ordered PbMn 3Mn 4O 12

T. Locherer, R. Dinnebier, R. K. Kremer, Martha Greenblatt, M. Jansen

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

PbMn 3Mn 4O 12 a quadruple perovskite was prepared by high pressure and high temperature synthesis. Powder X-ray diffraction (PXD) and differential scanning calorimetry reveal a structural phase transition at ∼380 K. Rietveld refinement of the synchrotron room temperature data indicate rhombohedral symmetry (R-3) with a=6.43675(4) Å and α=109.556(2)°. Similar 423 K PXD data refined in a body centered cubic cell (Im-3) with a=7.4283(9) Å. The temperature variation of magnetization, shows a magnetic field dependent antiferromagnetic-like transition at 68 K, and dynamic fluctuations indicative of magnetic frustration. The semiconducting electrical behavior indicates a large decrease in the conductivity near 68 K. The temperature dependence of the real part of the dielectric constant, ε real increases dramatically at ∼68 K, and shows relaxor-type ferroelectric behavior as a function of frequency. The intimate coupling of magnetic, electrical and dielectric properties at 68 K in PbMn 3Mn 4O 12 suggests possible multiferroic behavior.

Original languageEnglish (US)
Pages (from-to)277-284
Number of pages8
JournalJournal of Solid State Chemistry
Volume190
DOIs
StatePublished - Jun 1 2012

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Perovskite
synthesis
X ray powder diffraction
frustration
diffraction
Temperature
Rietveld refinement
dielectric properties
synchrotrons
x rays
heat measurement
Synchrotrons
electrical properties
Dielectric properties
permittivity
magnetic properties
Ferroelectric materials
Differential scanning calorimetry
Magnetization
Magnetic properties

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Keywords

  • A-site ordered quadruple perovskite
  • Magnetic and dielectric properties
  • Multiferroic
  • PbMn Mn O
  • Structure

Cite this

Locherer, T. ; Dinnebier, R. ; Kremer, R. K. ; Greenblatt, Martha ; Jansen, M. / Synthesis and properties of a new quadruple perovskite : A-site ordered PbMn 3Mn 4O 12. In: Journal of Solid State Chemistry. 2012 ; Vol. 190. pp. 277-284.
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Synthesis and properties of a new quadruple perovskite : A-site ordered PbMn 3Mn 4O 12. / Locherer, T.; Dinnebier, R.; Kremer, R. K.; Greenblatt, Martha; Jansen, M.

In: Journal of Solid State Chemistry, Vol. 190, 01.06.2012, p. 277-284.

Research output: Contribution to journalArticle

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T1 - Synthesis and properties of a new quadruple perovskite

T2 - A-site ordered PbMn 3Mn 4O 12

AU - Locherer, T.

AU - Dinnebier, R.

AU - Kremer, R. K.

AU - Greenblatt, Martha

AU - Jansen, M.

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N2 - PbMn 3Mn 4O 12 a quadruple perovskite was prepared by high pressure and high temperature synthesis. Powder X-ray diffraction (PXD) and differential scanning calorimetry reveal a structural phase transition at ∼380 K. Rietveld refinement of the synchrotron room temperature data indicate rhombohedral symmetry (R-3) with a=6.43675(4) Å and α=109.556(2)°. Similar 423 K PXD data refined in a body centered cubic cell (Im-3) with a=7.4283(9) Å. The temperature variation of magnetization, shows a magnetic field dependent antiferromagnetic-like transition at 68 K, and dynamic fluctuations indicative of magnetic frustration. The semiconducting electrical behavior indicates a large decrease in the conductivity near 68 K. The temperature dependence of the real part of the dielectric constant, ε real increases dramatically at ∼68 K, and shows relaxor-type ferroelectric behavior as a function of frequency. The intimate coupling of magnetic, electrical and dielectric properties at 68 K in PbMn 3Mn 4O 12 suggests possible multiferroic behavior.

AB - PbMn 3Mn 4O 12 a quadruple perovskite was prepared by high pressure and high temperature synthesis. Powder X-ray diffraction (PXD) and differential scanning calorimetry reveal a structural phase transition at ∼380 K. Rietveld refinement of the synchrotron room temperature data indicate rhombohedral symmetry (R-3) with a=6.43675(4) Å and α=109.556(2)°. Similar 423 K PXD data refined in a body centered cubic cell (Im-3) with a=7.4283(9) Å. The temperature variation of magnetization, shows a magnetic field dependent antiferromagnetic-like transition at 68 K, and dynamic fluctuations indicative of magnetic frustration. The semiconducting electrical behavior indicates a large decrease in the conductivity near 68 K. The temperature dependence of the real part of the dielectric constant, ε real increases dramatically at ∼68 K, and shows relaxor-type ferroelectric behavior as a function of frequency. The intimate coupling of magnetic, electrical and dielectric properties at 68 K in PbMn 3Mn 4O 12 suggests possible multiferroic behavior.

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