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Science 5 April 1963:
Vol. 140. no. 3562, pp. 72 - 73
DOI: 10.1126/science.140.3562.72
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Articles

Crystal Structures of Titanium, Zirconium, and Hafnium at High Pressures

John C. Jamieson 1

1 Department of the Geophysical Sciences, University of Chicago, Chicago 37, Illinois

At high pressures, as determined by x-ray analysis, titanium and zirconium metal have a distorted, body-centered-cubic structure. This phase persists on pressure release. The normal hexagonal close-packed structures are recovered when the metals are heated. An electronic shift must occur in the transition. Hafnium metal showed no such transition.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
The Pressure Variable in Materials Research.
D. B. McWhan (1972)
Science 176, 751-758
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Beryllium: Effect of Ultra-High Pressure on Resistance.
A. R. Marder (1963)
Science 142, 664
   Abstract »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)