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New High-pressure Polymorphs of Sodium Bromide and Sodium Iodide

Abstract

RECENTLY new high-pressure polymorphs were discovered for sodium chloride1 and sodium fluoride2. It is reasonable to expect the other sodium halides also to show polymorphism when subjected to elevated pressures. Bridgman3 failed to find any evidence for polymorphism in the sodium halides.

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References

  1. Evdokimova, V. V., and Vereshchagin, L. F., Fiz. Tverd. Tela, 4, 1965 (1962) [Transl. in Sov. Phys. Solid State, 4, 1438 (1962/3)].

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  2. Pistorius, C. W. F. T., Nature, 201, 1321 (1964).

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  3. Bridgman, P. W., Proc. Amer. Acad. Arts Sci., 72, 45 (1937).

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  4. Kennedy, G. C., and Newton, R. C., Solids under Pressure (McGraw-Hill Book Co., Inc., New York, 1963).

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PISTORIUS, C. New High-pressure Polymorphs of Sodium Bromide and Sodium Iodide. Nature 204, 467–468 (1964). https://doi.org/10.1038/204467a0

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