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Nanocrystalline and stacking-disordered β-cristobalite AlPO4 chemically stabilized at room temperature: synthesis, physical characterization, and X-ray powder diffraction data

  • B. Peplinski (a1), B. Adamczyk (a1), P. Formanek (a2), C. Meyer (a1), O. Krüger (a1), H. Scharf (a1), S. Reinsch (a1), M. Ostermann (a1), M. Nofz (a1), C. Jäger (a1), C. Adam (a1) and F. Emmerling (a1)...

Abstract

This paper reports the first successful synthesis and the structural characterization of nanocrystalline and stacking-disordered β-cristobalite AlPO4 that is chemically stabilized down to room temperature and free of crystalline impurity phases. Several batches of the title compound were synthesized and thoroughly characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy, selected area electron diffraction, energy dispersive X-ray spectroscopy mapping in SEM, solid-state 31P nuclear magnetic resonance (31P-NMR) spectroscopy including the TRAPDOR method, differential thermal analysis (DTA), gas-sorption methods, optical emission spectroscopy, X-ray fluorescence spectroscopy, and ion chromatography. Parameters that are critical for the synthesis were identified and optimized. The synthesis procedure yields reproducible results and is well documented. A high-quality XRD pattern of the title compound is presented, which was collected with monochromatic copper radiation at room temperature in a wide 2θ range of 5°–100°.

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Corresponding author

a) Author to whom correspondence should be addressed. Electronic mail: burkhard_peplinski@web.de

References

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Nanocrystalline and stacking-disordered β-cristobalite AlPO4 chemically stabilized at room temperature: synthesis, physical characterization, and X-ray powder diffraction data

  • B. Peplinski (a1), B. Adamczyk (a1), P. Formanek (a2), C. Meyer (a1), O. Krüger (a1), H. Scharf (a1), S. Reinsch (a1), M. Ostermann (a1), M. Nofz (a1), C. Jäger (a1), C. Adam (a1) and F. Emmerling (a1)...

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