Local and average structures of the proton conducting Y-doped BaCeO 3 from neutron diffraction and neutron pair distribution function analysis

Lorenzo Malavasi, Hyunjeong Kim, Thomas Proffen

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Abstract

In this paper we investigated the most important family of proton conducting oxides, i.e., cerates, by means of neutron diffraction and of pair distribution function analysis (PDF). The paper describes the structural effects of Y-doping and water incorporation in cerates proton conductors from a viewpoint of the average structure (determined from diffraction) and the local structure (determined from PDF analysis).

Original languageEnglish
Article number123519
JournalJournal of Applied Physics
Volume105
Issue number12
DOIs
StatePublished - 2009
Externally publishedYes

Funding

This work has been supported by the “Celle a combustibile ad elettroliti polimerici e ceramici: dimostrazione di sistemi e sviluppo di nuovi materiali” FISR Project of Italian MIUR. We recognize the support of the UNIPV-Regione Lombardia Project on Material Science and Biomedicine. This work has benefited from the use of NPDF at the Lujan Center at Los Alamos Neutron Science Center, funded by DOE Office of Basic Energy Sciences. Los Alamos National Laboratory is operated by Los Alamos National Security LLC under DOE Contract No. DE-AC52-06NA25396. The upgrade of NPDF has been funded by NSF through Grant No. DMR 00-76488.

FundersFunder number
National Science FoundationDMR 00-76488
U.S. Department of EnergyDE-AC52-06NA25396
Basic Energy Sciences
Los Alamos National Laboratory
Ministero dell’Istruzione, dell’Università e della Ricerca

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