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Science 23 August 2002:
Vol. 297. no. 5585, pp. 1285 - 1287
DOI: 10.1126/science.1075881
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Perspectives

MATERIALS SCIENCE:
Dynamics in Ceramics

Jonathan F. Stebbins

Ionic conductors play an important role in batteries and fuel cells. But little is known about how anions such as oxide ions (O2-) move through a solid. In his Perspective, Stebbins highlights the report of Kim and Grey, who use solid state Nuclear Magnetic Resonance to show that oxygen vacancies promote diffusive motion in an ionic conductive ceramic.

The author is in the Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94025-2115, USA. E-mail: stebbins{at}stanford.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Aluminum substitution in MgSiO3 perovskite: Investigation of multiple mechanisms by 27Al NMR.
J. F. Stebbins, H. Kojitani, M. Akaogi, and A. Navrotsky (2003)
American Mineralogist 88, 1161-1164
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Science. ISSN 0036-8075 (print), 1095-9203 (online)