X-ray absorption near-edge studies of BaBiO3, BaBi1-xPbxO3 and Ba1-xKxBiO3 systems

作者: Z N Akhtar , M J Akhtar , C R A Catlow

DOI: 10.1088/0953-8984/5/16/020

关键词: Analytical chemistryNuclear chemistryDisproportionationX-raySpectroscopyValence (chemistry)XANESChemistryDoping

摘要: The valence state of Bi in pure and doped (Pb, K) BaBiO3 has been determined by X-ray absorption near-edge structure (XANES) spectroscopy. In all materials the is found to be close IV. A disproportionation Bi(IV) into Bi(III) Bi(V) not indicated analysis XANES data. Pb also IV BaBi1-xPbxO3.

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