KLnTiO4 (Ln = La, Nd, Sm, Eu, Gd, Dy): A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO4

Raymond E. Schaak; Thomas E. Mallouk

doi:10.1006/jssc.2001.9303

KLnTiO₄ (Ln = La, Nd, Sm, Eu, Gd, Dy): A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO₄

Raymond E. Schaak
, Thomas E. Mallouk

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

KLnTiO₄ (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. HLnTiO₄ was first prepared by traditional acid exchange of NaLnTiO₄, and the KLnTiO₄ series was subsequently formed from the reaction of HLnTiO₄ with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO₄ phases are thermally stable to at least 700°C. All the KLnTiO₄ phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO₄, KEuTiO₄, KGdTiO₄, and KDyTiO₄ were refined by the Rietveld method and found to be isostructural with their NaLnTiO₄ precursors. All the KLnTiO₄ phases form stable hydrates when exposed to a humidified atomosphere.

Original language	English (US)
Pages (from-to)	225-232
Number of pages	8
Journal	Journal of Solid State Chemistry
Volume	161
Issue number	2
DOIs	https://doi.org/10.1006/jssc.2001.9303
State	Published - Nov 1 2001

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

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title = "KLnTiO4 (Ln = La, Nd, Sm, Eu, Gd, Dy): A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO4",

abstract = "KLnTiO4 (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. HLnTiO4 was first prepared by traditional acid exchange of NaLnTiO4, and the KLnTiO4 series was subsequently formed from the reaction of HLnTiO4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO4 phases are thermally stable to at least 700°C. All the KLnTiO4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO4, KEuTiO4, KGdTiO4, and KDyTiO4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO4 precursors. All the KLnTiO4 phases form stable hydrates when exposed to a humidified atomosphere.",

author = "Schaak, \{Raymond E.\} and Mallouk, \{Thomas E.\}",

note = "Funding Information: This work was supported by the National Science Foundation Grant CHE-0095394. This material is based upon work supported under a National Science Foundation Graduate Fellowship.",

year = "2001",

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doi = "10.1006/jssc.2001.9303",

language = "English (US)",

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T2 - A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO4

AU - Schaak, Raymond E.

AU - Mallouk, Thomas E.

N1 - Funding Information: This work was supported by the National Science Foundation Grant CHE-0095394. This material is based upon work supported under a National Science Foundation Graduate Fellowship.

PY - 2001/11/1

Y1 - 2001/11/1

N2 - KLnTiO4 (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. HLnTiO4 was first prepared by traditional acid exchange of NaLnTiO4, and the KLnTiO4 series was subsequently formed from the reaction of HLnTiO4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO4 phases are thermally stable to at least 700°C. All the KLnTiO4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO4, KEuTiO4, KGdTiO4, and KDyTiO4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO4 precursors. All the KLnTiO4 phases form stable hydrates when exposed to a humidified atomosphere.

AB - KLnTiO4 (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. HLnTiO4 was first prepared by traditional acid exchange of NaLnTiO4, and the KLnTiO4 series was subsequently formed from the reaction of HLnTiO4 with hot aqueous KOH. The ion exchange is stoichiometric, and the KLnTiO4 phases are thermally stable to at least 700°C. All the KLnTiO4 phases are orthorhombic and crystallize in space group Pbcm. The structures of KSmTiO4, KEuTiO4, KGdTiO4, and KDyTiO4 were refined by the Rietveld method and found to be isostructural with their NaLnTiO4 precursors. All the KLnTiO4 phases form stable hydrates when exposed to a humidified atomosphere.

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SN - 0022-4596

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JO - Journal of Solid State Chemistry

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KLnTiO₄ (Ln = La, Nd, Sm, Eu, Gd, Dy): A new series of ruddlesden - Popper phases synthesized by ion-exchange of HLnTiO₄

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