X-ray powder diffraction data for BaPbO<sub>3</sub>

BaPbO 3 is assumed to be oxygen deficient but the exact determination has never been reported. The aim of this study is to investigate the correlation between synthetic conditions and the resulting oxygen deficiency of BaPbO 3-x . The formation of BaPbO 3-x by decomposition of barium-and lead oxalate up to 850 °C is significantly faster compared to conventional high temperature solid state reactions of oxide compounds. The discrete reaction steps were studied by simultaneous thermal analysis and X-ray powder diffraction. The oxygen content was determined by temperature-programmed reduction analysis. It is shown that the formation process is very sensitive to the chosen starting materials leading to different oxygen deficits caused by partial oxidation from Pb 2+ to Pb 4+ . The resulting perovskites show chemical compositions of BaPbO 2.74 and BaPbO 2.82 . The varying oxygen deficits should have an effect on structural properties.

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Formation of oxygen deficient BaPbO_3‐x by oxalate decomposition

Franz

Klimm

Schmitz

et al. 2011

Cryst. Res. Technol.

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A novel radiation protection material: BaPbO3/Al composite

Fan

Wang

et al. 2009

Materials & Design

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Formation of BaPbO3-x and BaPb1/3Bi2/3O3-x from Ba(COO)2·0.5H2O and Pb(COO)2 oxalates

2020

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This paper reports a way to obtain BaPbO3-x and BaPb1/3Bi2/3O3-x perovskite-type compounds. The method is based on the initial preparation of Ba(COO)2⋅0.5H2O and Pb(COO)2⋅oxalates, and the subsequent calcination of the equimolar physical mixture of these oxalates until the desired compounds BaPbO3-x and BaPb1/3Bi2/3O3-x are formed. To obtain BaPb1/3Bi2/3O3-x, the oxide Bi2O3 is added to the mixture of oxalates and calcined together with them. The temperature for the formation of BaPbO3-x and BaPb1/3Bi2/3O3-x was estimated to be 850°C. These final compounds prepared by calcination were composed of a single phase and exhibited monoclinic crystal structure. The thermal decomposition of the Pb(COO)2 oxalate and the formation of BaPbO3-x and BaPb1/3Bi2/3O3-x were investigated by X-ray powder diffraction (XRPD) and differential thermal analysis (DTA).

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X-ray powder diffraction data for BaPbO₃

Cited by 3 publications

References 15 publications

Formation of oxygen deficient BaPbO_3‐x by oxalate decomposition

Formation of oxygen deficient BaPbO_3‐x by oxalate decomposition

A novel radiation protection material: BaPbO3/Al composite

Formation of BaPbO3-x and BaPb1/3Bi2/3O3-x from Ba(COO)2·0.5H2O and Pb(COO)2 oxalates

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X-ray powder diffraction data for BaPbO3

Cited by 3 publications

References 15 publications

Formation of oxygen deficient BaPbO3‐x by oxalate decomposition

Formation of oxygen deficient BaPbO3‐x by oxalate decomposition

A novel radiation protection material: BaPbO3/Al composite

Formation of BaPbO3-x and BaPb1/3Bi2/3O3-x from Ba(COO)2·0.5H2O and Pb(COO)2 oxalates

Contact Info

Product

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X-ray powder diffraction data for BaPbO₃

Formation of oxygen deficient BaPbO_3‐x by oxalate decomposition

Formation of oxygen deficient BaPbO_3‐x by oxalate decomposition