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Reaction kinetics and anisothermal effects in microwave fields: System Y2O3–Fe3O4

Published online by Cambridge University Press:  31 January 2011

Ramesh D. Peelamedu ,
Rustum Roy  and
Dinesh K. Agrawal
Ramesh D. Peelamedu
Affiliation:
Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802
Rustum Roy
Affiliation:
Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802
Dinesh K. Agrawal*
Affiliation:
Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802
*
a)Address all correspondence to this author.
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Abstract

Yttrium iron garnet (YIG) powder has been synthesized in just less than 10 min in a multimode microwave oven operating at 2.45 GHz. The simple solid-state synthesis involves an anisothermal reaction between a highly microwave absorbing Fe3O4 and a low microwave absorbing Y2O3 at temperatures of 1300 °C. The rapidity of the YIG formation suggests that the reaction rate is possibly enhanced by several times in a microwave field.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 16 , Issue 10 , October 2001 , pp. 2770 - 2772
Copyright
Copyright © Materials Research Society 2001

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References

1Roy, R., Komarneni, S., and Yang, L.J., J. Am. Ceram. Soc. 68, 392 (1985).CrossRefGoogle Scholar
2Fang, Y., Agrawal, D.K., Roy, D.M., and Roy, R., J. Mater. Res. 9, 180 (1994).CrossRefGoogle Scholar
3Cheng, J.P., Fang, Y., Agrawal, D.K., and Roy, R., Microwaves: Theory Appl. Mater. Process. III (Ceram. Trans.)59, 457 (1995).Google Scholar
4Roy, R., Agrawal, D., Cheng, J.P., and Mathis, M., Ceram. Trans. 80, 3 (1997).Google Scholar
5Roy, R., Agrawal, D., Cheng, J.P., and Gedevanishvili, S., Nature 399, 668 (1999).CrossRefGoogle Scholar
6Roy, R., Agrawal, D., and Chang, J.P., in Microwave: Theory and Application in Materials Processing V, Proceedings of the Second International Congress on Microwave and RF Heating, Orlando, FL, April 2000 (ACS, Westerville, OH, 2001, 2001), Vol. 111, p. 471.Google Scholar
7Holmquist, W.R., Kooi, C.F., and Moss, R.W., J. Am. Ceram. Soc. 44, 194 (1961).CrossRefGoogle Scholar
8Kimizuka, N. and Katsura, T., J. Solid State Chem. 13, 176 (1975).CrossRefGoogle Scholar
9Osterero, J., Gasgnier, M., and Petit, A., J. Alloys Compd. 262, 275 (1997).CrossRefGoogle Scholar
10Gasgnier, M., Osterero, J., and Petit, A., J. Alloys Compd. 275, 41 (1998).CrossRefGoogle Scholar
11Kimura, T., Takizawa, H., Uheda, K., Endo, T., and Shimada, M., J. Am. Ceram. Soc. 81, 2961 (1998).CrossRefGoogle Scholar
12Ramesh, P.D., Roy, R., and Agrawal, D.K., Mater. Res. Bull (in press).Google Scholar
13Carter, R.E., J. Chem. Phys. 34, 2010 (1961).CrossRefGoogle Scholar