February 21st, 2017
Cementite is the most common carbide compound in steels and has also been proposed as a host for the light element in Earth’s core. Because the material is metastable at ambient pressure and temperature, its synthesis is challenging, and high pressure techniques are required. As a result, key thermodynamic properties, particularly the...
February 16th, 2017
A new paper reports the discovery and characterization of a new iron-rich high-pressure mineral named for CDAC Director Russell J. Hemley in recognition of his distinguished contributions to high-pressure research and mineral physics. The new mineral is the iron-rich analogue of akimotoite, a mineral with MgSiO3 ...
February 14th, 2017
In a recent article in The Washington Post, CDAC Director Russell Hemley weighs in on the extraordinary properties of diamond that make it so important in new scientific and technological applications. “Forget the ring:  Lab-grown diamond’s are a scientist’s best friend,” published on the front page of the Post’s...
December 5th, 2016
BaReH9 is the most hydrogen-rich inorganic salt discovered thus far, and is of great interest in the study of superconductivity in dense hydrides and also the metallization of hydrogen at high pressure. The unusual composition of this material suggests that investigation of its high pressure properties should offer a number of important...
December 1st, 2016
Boron Carbide exhibits a number of important material properties, among them extreme hardness approaching that of diamond, and a very high melting point. However, it is the low density of the material that makes it attractive for applications requiring high mechanical strength and light weight. Its properties are due to the unique...
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