KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy)

A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO 4

Raymond Edward Schaak, Thomas E. Mallouk

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy), a new series of n = 1 Ruddlesden - Popper phases, was synthesized by a two-step ion-exchange reaction. HLnTiO 4 was first prepared by traditional acid exchange of NaLnTiO 4 , and the KLnTiO 4 series was subsequently formed from the reaction of HLnTiO 4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO 4 phases are thermally stable to at least 700°C. All the KLnTiO 4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO 4 , KEuTiO 4 , KGdTiO 4 , and KDyTiO 4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO 4 precursors. All the KLnTiO 4 phases form stable hydrates when exposed to a humidified atomosphere.

Original languageEnglish (US)
Pages (from-to)225-232
Number of pages8
JournalJournal of Solid State Chemistry
Volume161
Issue number2
DOIs
StatePublished - Nov 1 2001

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Ion exchange
Rietveld method
Hydrates
hydrates
ions
acids
Acids

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

Cite this

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title = "KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy): A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO 4",
abstract = "KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy), a new series of n = 1 Ruddlesden - Popper phases, was synthesized by a two-step ion-exchange reaction. HLnTiO 4 was first prepared by traditional acid exchange of NaLnTiO 4 , and the KLnTiO 4 series was subsequently formed from the reaction of HLnTiO 4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO 4 phases are thermally stable to at least 700°C. All the KLnTiO 4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO 4 , KEuTiO 4 , KGdTiO 4 , and KDyTiO 4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO 4 precursors. All the KLnTiO 4 phases form stable hydrates when exposed to a humidified atomosphere.",
author = "Schaak, {Raymond Edward} and Mallouk, {Thomas E.}",
year = "2001",
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journal = "Journal of Solid State Chemistry",
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KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy) : A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO 4. / Schaak, Raymond Edward; Mallouk, Thomas E.

In: Journal of Solid State Chemistry, Vol. 161, No. 2, 01.11.2001, p. 225-232.

Research output: Contribution to journalArticle

TY - JOUR

T1 - KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy)

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AU - Schaak, Raymond Edward

AU - Mallouk, Thomas E.

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N2 - KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy), a new series of n = 1 Ruddlesden - Popper phases, was synthesized by a two-step ion-exchange reaction. HLnTiO 4 was first prepared by traditional acid exchange of NaLnTiO 4 , and the KLnTiO 4 series was subsequently formed from the reaction of HLnTiO 4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO 4 phases are thermally stable to at least 700°C. All the KLnTiO 4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO 4 , KEuTiO 4 , KGdTiO 4 , and KDyTiO 4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO 4 precursors. All the KLnTiO 4 phases form stable hydrates when exposed to a humidified atomosphere.

AB - KLnTiO 4 (Ln = La, Nd, Sm, Eu, Gd, Dy), a new series of n = 1 Ruddlesden - Popper phases, was synthesized by a two-step ion-exchange reaction. HLnTiO 4 was first prepared by traditional acid exchange of NaLnTiO 4 , and the KLnTiO 4 series was subsequently formed from the reaction of HLnTiO 4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO 4 phases are thermally stable to at least 700°C. All the KLnTiO 4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO 4 , KEuTiO 4 , KGdTiO 4 , and KDyTiO 4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO 4 precursors. All the KLnTiO 4 phases form stable hydrates when exposed to a humidified atomosphere.

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