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  Valence State of Pb in Transition Metal Perovskites PbTMO3 (TM = Ti, Ni) Determined From X-Ray Absorption Near-Edge Spectroscopy

Chen, K., Mijiti, Y., Agrestini, S., Liao, S.-C., Li, X., Zhou, J., et al. (2018). Valence State of Pb in Transition Metal Perovskites PbTMO3 (TM = Ti, Ni) Determined From X-Ray Absorption Near-Edge Spectroscopy. Physica Status Solidi B, 255: 1800014, pp. 1-4. doi:10.1002/pssb.201800014.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-B7B6-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-505E-B
Genre: Journal Article

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 Creators:
Chen, Kai1, Author
Mijiti, Yimin1, Author
Agrestini, Stefano2, Author              
Liao, Sheng-Chieh3, Author              
Li, Xiang1, Author
Zhou, Jianshi1, Author
Di Cicco, Andrea1, Author
Baudelet, Francois1, Author
Tjeng, L. H.4, Author              
Hu, Z.5, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Stefano Agrestini, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863459              
3Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
4Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
5Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              

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Free keywords: perovskites, valence states, X-ray absorption near-edge spectroscopy
 Abstract: We present a combined experimental and theoretical Pb-L3 X-ray absorption near-edge spectroscopy (XANES) to investigate the chemical state of Pb in transition metal perovskites PbTMO3 (TM = Ti, Ni). A pre-edge feature originated from the excitation of a 2p core electron to the 6s orbital is only observed in PbNiO3, from which the valence of Pb is determined to be Pb4+ with two 6s holes. However, no such 2p–6s related excitation was observed in PbTiO3, indicating the formation of Pb2+ with fully occupied 6s2 state in this materials. Our results demonstrate that this pre-edge peak from dipole allowed 2p–6s transition is a sensitive finger-print of the Pb valence state in solid state materials.

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Language(s): eng - English
 Dates: 2018-02-282018-02-28
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1002/pssb.201800014
 Degree: -

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Title: Physica Status Solidi B
  Abbreviation : Phys. Stat. Sol. B
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 255 Sequence Number: 1800014 Start / End Page: 1 - 4 Identifier: ISSN: 0370-1972
CoNE: /journals/resource/958480240330