Synthesis of new WO3-based complex oxides with tunnels by a chemical mixing process using peroxo-polytungstates

T. Kudo; A. Kishimoto; J. Oi; H. Inoue

doi:10.1016/0167-2738(90)90072-Y

Synthesis of new WO₃-based complex oxides with tunnels by a chemical mixing process using peroxo-polytungstates

T. Kudo, A. Kishimoto, J. Oi, H. Inoue

Research output: Contribution to journal › Article

25 Citations (Scopus)

Abstract

Peroxo-polytungstate anion formed by direct reaction of metallic W with H₂O₂ precipitated K⁺, Cs⁺ and Ba²⁺. Thermal decomposition of these amorphous precipitates at moderate temperatures yielded new crystalline phases (xM₂O·WO₃ or xMO·WO₃) with 1-D- or 3-D-tunnels based on frameworks of coner-shared WO₆ octahedra. Structural analysis was performed by the Rietveld refinement of powder X-ray data.

Original language	English
Pages (from-to)	567-571
Number of pages	5
Journal	Solid State Ionics
Volume	40-41
Issue number	PART 2
DOIs	https://doi.org/10.1016/0167-2738(90)90072-Y
Publication status	Published - Aug 1990
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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Kudo, T., Kishimoto, A., Oi, J., & Inoue, H. (1990). Synthesis of new WO₃-based complex oxides with tunnels by a chemical mixing process using peroxo-polytungstates. Solid State Ionics, 40-41(PART 2), 567-571. https://doi.org/10.1016/0167-2738(90)90072-Y

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abstract = "Peroxo-polytungstate anion formed by direct reaction of metallic W with H2O2 precipitated K+, Cs+ and Ba2+. Thermal decomposition of these amorphous precipitates at moderate temperatures yielded new crystalline phases (xM2O·WO3 or xMO·WO3) with 1-D- or 3-D-tunnels based on frameworks of coner-shared WO6 octahedra. Structural analysis was performed by the Rietveld refinement of powder X-ray data.",

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AU - Oi, J.

AU - Inoue, H.

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AB - Peroxo-polytungstate anion formed by direct reaction of metallic W with H2O2 precipitated K+, Cs+ and Ba2+. Thermal decomposition of these amorphous precipitates at moderate temperatures yielded new crystalline phases (xM2O·WO3 or xMO·WO3) with 1-D- or 3-D-tunnels based on frameworks of coner-shared WO6 octahedra. Structural analysis was performed by the Rietveld refinement of powder X-ray data.

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