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Changes in Lattice Constants of Cr2O3 near the Curie Temperature

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Abstract

IT has been pointed out1 that there is a correlation between magnetic and structure transition temperatures for certain antiferromagnetic materials. In the case of Cr2O3, with a Curie temperature of approximately 314° K., it was reported that the 42̄2 reflexion was resolved into a doublet below the Curie temperature. This communication presents additional information concerning the nature of the structure change responsible for the doublet formation mentioned above.

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References

  1. Greenwald, S., and Smart, J. S., Nature, 166, 523 (1950)

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  2. Néel, L., Ann. de Phys., 3, 137 (1948).

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  3. Smart, J. S., and Greenwald, S., [Phys. Rev., 82, 113 (1951).]

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  1. U.S. Naval Ordnance Laboratory, White Oak, Silver Spring, 19, Maryland

    SELMA GREENWALD

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  1. SELMA GREENWALD
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GREENWALD, S. Changes in Lattice Constants of Cr2O3 near the Curie Temperature. Nature 168, 379 (1951). https://doi.org/10.1038/168379a0

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