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Defect-fluorite oxides: Ln (Eu and Gd) Mössbauer study coupled with new defect-crystal-chemistry model

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Abstract

A recently proposed lattice-parameter (a 0(ss)) model for parent fluorite-type MO2-LnO1.5 solid solutions (M4 +   =  Ce and Th; Ln3 +   =  lanthanide) has been extended to more complex LnO1.5-stabilized zirconia (hafnia) (M4 +   =  Zr(Hf)) with pyrochlore-type ordering and its-associated broad a 0(ss) hump, using key Ln (Eu and Gd)-Mössbauer and related local-structure data.

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Correspondence to A. Nakamura.

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Submitted to Hyperfine Interactions as ISIAME2012 (Dalian) Proceedings paper (invited lecture).

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Nakamura, A., Igawa, N., Okamoto, Y. et al. Defect-fluorite oxides: Ln (Eu and Gd) Mössbauer study coupled with new defect-crystal-chemistry model. Hyperfine Interact 217, 17–26 (2013). https://doi.org/10.1007/s10751-012-0654-z

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  • DOI: https://doi.org/10.1007/s10751-012-0654-z

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