Reports

Lead: X-ray Diffraction Study of a High-Pressure Polymorph

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Science  26 Sep 1969:
Vol. 165, Issue 3900, pp. 1352-1353
DOI: 10.1126/science.165.3900.1352

Abstract

An x-ray diffraction study of lead under pressure has shown that face-centered cubic structure transforms to the hexagonal close-packed structure at room temperature and a pressure of 130± 10 kilobars. The volume change for the transformation is -0.18± 0.06 cubic centimeter per mole.