A. Baykal, M. Kizilyalli, G. Gözel, R. Kniep: Synthesis of Strontium Borophosphate, SrBPO<SUB>5</SUB> by Solid State and Hydrothermal Methods and Characterisation

Crystal Research and Technology

Cryst. Res. Technol. 35 (2000) 247 - Abstract -

A. Baykal, M. Kizilyalli, G. Gözel*, R. Kniep**

Department of Chemistry, Middle East Technical University, Ankara, Turkey
*Research School of Chemistry, Australian National University, Canberra, Australia
**Technische Hochschule Darmstadt, Eduard-Zintl Institute, Darmstadt, Germany

Synthesis of Strontium Borophosphate, SrBPO₅ by Solid State and Hydrothermal Methods and Characterisation

SrBPO₅ was synthesized by a solid-state reaction reported and by a new solid state reaction using BPO₄ as a phosphating agent. It was also obtained by a hydrothermal method. The structure of the compound was solved by Rietveld analysis before. The examination of X-ray powder diffraction data showed that, SrBPO₅ is isostructural with CaBPO₅ and BaBPO₅. It crystallizes in the trigonal system in P3₁ 21 and the refined unit cell parameters are a = 6.8488(1), c = 6.8159(2) Å, Z=3 and D_m 3.77 g/cm³.

Keywords: Sr Borophosphate, Rietveld Analysis, Crystal Structure, Hydrothermal Synthesis, X-ray powder diffraction

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