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A new high temperature modification of face-centered cubic Y2O3

  • S. Katagiri (a1), N. Ishizawa (a1) and F. Marumo (a2)

Abstract

A new high temperature form of Y2O3 has been synthesized at 2220 °C by a laser beam heating technique. The new form has a face-centered cubic structure with a = 5.2644(3)Å, Z = 2, Dx = 5.14 g/cm3, and is considered to have a fluorite-type structure containing disordered oxygen vacancies.

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References

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Foex, M. and Traverse, J.-P. (1966). Rev. Int. Hautes Temp. Refract. 3, 429453.
Ishizawa, N. (1993). Report of RLEM, Tokyo Inst. Tech. No. 18, in press.
Lejus, A. M., and Collongues, R. (1980). Current Topics in Materials Science Volume 4, edited by Kaldis, E., North-Holland, Amsterdam, pp. 481577
Paton, M. G., and Maslen, E. N. (1965). Acta Cryst. 19, 307310.
Sakurai, T. (1967). “Universal program for crystallographic computation,” Cryst. Soc. Japan.

A new high temperature modification of face-centered cubic Y2O3

  • S. Katagiri (a1), N. Ishizawa (a1) and F. Marumo (a2)

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