A SEM, EDX and XAS characterization of Ba(II)Fe(III) layered double hydroxides.

Sranko, D.; Sipiczki, M.; Bajnoczi, E. G.; Daranyi, M.; Kukovecz, A.; Konya, Z.; Canton, S. E.; Noren, K.; Sipos, P.; Palinko, I.

doi:10.1016/j.molstruc.2010.10.004

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A SEM, EDX and XAS characterization of Ba(II)Fe(III) layered double hydroxides.

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Canton, S. E.
Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for Biophysical Chemistry, Max Planck Society;

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Sranko, D., Sipiczki, M., Bajnoczi, E. G., Daranyi, M., Kukovecz, A., Konya, Z., et al. (2011). A SEM, EDX and XAS characterization of Ba(II)Fe(III) layered double hydroxides. Journal of Molecular Structure, 993(1-3), 62-66. doi:10.1016/j.molstruc.2010.10.004.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-8A9E-0

Abstract

The structural characteristics of Ba–Fe double hydroxides were studied by various methods, such as scanning electron microscopy (SEM), energy dispersive X-ray (EDX) fluorescence and X-ray absorption spectroscopies (XAS). It was verified that under hyperalkaline conditions (using 10 M or 20 M NaOH solution for precipitating the substances) layered double hydroxides could be prepared and the structure collapsed on heat treatment at 523 K. Important structural parameters could also be obtained through the quantitative analysis of the XAS spectrum of Ba3Fe–LDH made using 20 M NaOH for precipitating the material.