Carbon: A New Crystalline Phase
- 17 May 1963
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 140 (3568) , 817-819
- https://doi.org/10.1126/science.140.3568.817
Abstract
The electrical resistance of single crystal graphite shows a very sharp increase at above 150 kilobars, accompanied by a drifting upward with time. The behavior is typical of a first-order phase transition, and is irreversible. X-rays on the material after removal from the cell show lines of a new material with a structure which can be indexed as a cubic lattice with a unit cell edge of 5.545 angstroms. The density of the new phase is estimated at 2.80 grams per cubic centimeter.Keywords
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