September 6th, 2016
Materials combining the hardness and strength of diamond with the higher thermal stability of cubic boron nitride (cBN) have broad potential value in science and engineering. Reacting nanodiamond with cBN at high pressures and high temperatures provides a pathway to such materials. CDAC partner Steve Jacobsen (Northwestern), along with...
July 5th, 2016
Depleted uranium and its alloys are important engineering materials due to their high density. It is well known that depleted uranium can be alloyed to improve several elastic and plastic related properties, to enhance corrosion resistance, and to allow flexible heat treatability. In recent experiments performed at HPCAT, CDAC Steering...
July 5th, 2016
Hydrogen is the most abundant element in the cosmos. It’s also the simplest, with only a single electron in each atom, and forms a transparent gas under ordinary conditions. But that simplicity is deceptive, for example, at the extreme pressures and temperatures found inside of giant planets. New work published in Physical Review Letters...
July 1st, 2016
Applied pressure is a powerful tool for studying rare earth systems with intermediate valence because their electronic states are sensitive to small changes in interatomic separation. Recent experiments at HPCAT using resonant x-ray emission spectroscopy have explored the pressure dependence of the f-electron occupancy in the Kondo...
July 1st, 2016
Hydrogen bonds are widely present in many substances and are responsible for defining the three-dimensional structures of proteins, the unusual physical properties of water and ice, and are found in many geologically significant minerals. The balance between hydrogen bonds and other kinds of interatomic forces can have significant...
Subscribe to Front page feed