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Determination Of Aluminum Coordination Environments In Amorphous AI2O3 By Solid State Nmr Spectroscopy

Published online by Cambridge University Press:  15 February 2011

William S. Rees Jr  and
Lamy J. Chopin
William S. Rees Jr
Affiliation:
Department of Chemistry, Materials Research and Technology Center, and The National High Magnetic Field Laboratory, The Rorida State University, Tallahassee, FL 32306–3006
Lamy J. Chopin
Affiliation:
Department of Chemistry, Materials Research and Technology Center, and The National High Magnetic Field Laboratory, The Rorida State University, Tallahassee, FL 32306–3006
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Abstract

It previously has been difficult to probe the localized coordination environment of aluminum atoms in amorphous alumina samples by solid state NMR spectroscopy. Such an in situ technique has benefits in probing the structure of the material and monitoring the evolution of the microstructural development during thermal processing. The recent developments of more sophisticated NMR techniques by Pines, et al., specifically devised for treatment of problems unique to the solid state spectroscopy of quadrupolar nuclei, have permitted a glimpse into these Materials. As a result of applying these experimental techniques to new materials systems, a better understanding of the solid state structure of amorphous aluminas derived from polymer pyrolysis has emerged. Correlations between the onset and completion of crystallization and the localized structure may now be possible.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 321: Symposium E – Crystallization and Related Phenomena in Amorphous Materials—Ceramics, Metals, Polymers, and Semiconductors , 1993 , 123
Copyright
Copyright © Materials Research Society 1994

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References

REFERENCES

1. Greenwood, N. N., Earnshaw, A. Chemistry of the Elements, (Pergamon, New York, 1984) pp. 272–284 Google Scholar
2. Rees, W.S. Jr, Hesse, W., in Chemical Perspectives of microelectronic materials II, edited by Interrante, L.V., Jensen, K. F., DuBois, L. H., Gross, M. E. (Mater. Res. Soc. Proc. 204, Pittsburgh, PA, 1991) pp. 563–570.Google Scholar
3. Rees, W.S. Jr, Hesse, W., in Synthesis and Processing of Ceramics: Scientific Issues, edited by Rhine, W. F., Shaw, T. S., Gottschall, R. J., Chen, Y. (Mater. Res. Soc. Proc. 249, Pittsburgh, PA, 1991) pp. 51–57.Google Scholar
4. Rees, W.S. Jr, Hesse, W., Polymer Preprints, 32 (3), 573 (1991).Google Scholar
5. Rees, W. S. Jr, Hesse, W., Polymer Preprints, 34 (in press) (1993).Google Scholar
6. Samoson, A., Lippmaa, E., Pines, A., Molec. Pys. 65 (4), 1013 (1988).Google Scholar
7. Llor, A., Virlet, J., Chem. Phys. Lett., 152, 248 (1988).Google Scholar
8. Jelinek, R., Chmelka, B. F., Wu, Y., Grandinetti, P. J., Pines, A., Barrie, P. J., Kilnowski, J., J. Am. Chem. Soc., 113, 4097 (1991).Google Scholar
9. Mueller, K. T., Sun, B. Q., Chingas, G. C., Zwanger, J. W., Terao, T., Pines, A., J. Magn. Reson. 86, 470 (1990).Google Scholar