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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 63, Iss. 6 — Jun. 1, 1973
  • pp: 721–725

Infrared-absorption characteristics of the pyrochlore structure

Ronald A. McCauley  »View Author Affiliations


JOSA, Vol. 63, Issue 6, pp. 721-725 (1973)
http://dx.doi.org/10.1364/JOSA.63.000721


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Abstract

Seven T1u infrared active modes account for the pyrochlore structure. Decreasing A3+ cation size in the rare-earth zirconates increases disorder among the cations and the tendency to form the fluorite structure. There is a general trend of increasing absorption frequencies with smaller cell sizes for the higher-wave-number bands, whereas for the lower-wave-number bands there is a mass dependency. New assignments of lattice modes are made for the fifth and sixth highest bands.

Citation
Ronald A. McCauley, "Infrared-absorption characteristics of the pyrochlore structure," J. Opt. Soc. Am. 63, 721-725 (1973)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-63-6-721

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