Matter at Extreme States Stories
Washington, DC—Germanium may not be a household name like silicon, its group-mate on the periodic table, but it has great potential for use in next-generation electronics and energy technology...
Carnegie’s Geophysical Laboratory dedicated two and a half days this week to celebrating the legacy and vision of Marilyn Fogel, who spent 33 years there doing groundbreaking research and...
Washington, DC— Did you know that there are at least 17 crystalline forms of ice, many of them formed under extreme pressures, such as those found in the interiors of frozen planets? New work...
Washington, DC— New work from a team led by Carnegie’s Alexander Goncharov has created a new extremely incompressible carbon nitride compound. They say it could be the prototype for a...
Washington, D.C.—Scientists have looked for different ways to force hydrogen into a metallic state for decades. A metallic state of hydrogen is a holy grail for materials science because it...
Washington, DC— Hydrogen is the most-abundant element in the universe. It’s also the simplest—sporting only a single electron in each atom. But that simplicity is deceptive, because...
Washington, DC— Using laboratory techniques to mimic the conditions found deep inside the Earth, a team of Carnegie scientists led by Ho-Kwang “Dave” Mao has identified a form of...
Washington, DC— Earth's magnetic field shields us from deadly cosmic radiation, and without it, life as we know it could not exist here. The motion of liquid iron in the planet’s...
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The Geophysical Laboratory has made important advances in the growth of diamond by chemical vapor deposition (CVD). Methods have been developed to produce single-crystal diamond at low pressure having a broad range of properties.
Ronald Cohen primarily studies materials through first principles research—computational methods that begin with the most fundamental properties of a system, such as the nuclear charges of atoms, and then calculate what happens to a material under different conditions, such as pressure and...
Sally June Tracy applies cutting-edge experimental and analytical techniques to understand the fundamental physical behavior of materials at extreme conditions. She uses dynamic compression techniques with high-flux X-ray sources to probe the structural...
Timothy Strobel subjects materials to high-pressures to understand chemical processes and interactions, and to create new, advanced energy-related materials.
For instance, silicon is the second most abundant element in the Earth’s crust and a mainstay of the electronics industry. But...
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Washington, D.C. — Superconductivity is a rare physical state in which matter is able to conduct electricity—maintain a flow of electrons—without any resistance. This phenomenon can only be found in...
New research by Carnegie’s Olivier Gagné and collaborator Frank Hawthorne of the University of Manitoba categorizes the causes of structural asymmetry, some surprising, which underpin...
Washington, DC—Hydrogen is both the simplest and the most-abundant element in the universe, so studying it can teach scientists about the essence of matter. And yet there are still many hydrogen...
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