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Polymorphism, Principally of the Elements, up to 50,000 kg/cm2

P. W. Bridgman

  • Research Laboratory of Physics, Harvard University

Phys. Rev. 48, 893 – Published 1 December, 1935

DOI: https://doi.org/10.1103/PhysRev.48.893

Abstract

A new technique is described by which pressures of 50,000 kg/cm2 and more may be applied to solids, and the parameters of any transitions measured. A systematic examination has been made for polymorphism of many of the elements in the new pressure range. New modifications are found for Bi, Hg, Tl, Te, Ga, and I2, and the transition parameters measured. A beginning has been made of a systematic study of polymorphism of compounds, and results obtained for KCl, KBr, and KI, which assume at about 20,000 kg/cm2 presumably the CsCl type of structure.

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