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Nmr Study of Sodium Ion Mobility in a Single Crystal of Na β”-Alumina and Water Effects in Polycrystalline Samples

Published online by Cambridge University Press:  15 February 2011

Cecil E. Hayes  and
David C. Ailion
Cecil E. Hayes
Affiliation:
Physics Department, University of Utah, Salt Lake City, Utah 84112
David C. Ailion
Affiliation:
Physics Department, University of Utah, Salt Lake City, Utah 84112
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Abstract

We measured the temperature dependence of T1 in a Mg-stabilized single crystal of Na β”-alumina. A comparison with earlier measurements on Li-stabilized polycrystalline samples indicates that, below 500K, the sodium ion kinetics are not directly affected by the stabilizing element. Above 500K our measured T1 shows a dependence on sample composition. Observations of NMR linewidth and signal intensity vs. water content indicate that, at low water concentration (< 2%), all sodium is in contact with water in its conduction plane; at higher water concentrations, the additional water may be forming complexes with some of the sodium.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 3: Symposium – Nuclear and Electron Resonance Spectroscopies Applied to Materials Science , 1980 , 283
Copyright
Copyright © Materials Research Society 1981

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References

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