4 papers · 1 filter
Amorphous High Density Plutonium
J. K. Katz, A. Rollett, R. J. Hemley
Metastable aluminum-alloyed -plutonium shrinks rapidly and pure -plutonium swells rapidly at 4 K. At ambient temperature alloyed -plutonium swells about as fa…
Interface-dependent Phase Transitions and Ultrafast Hydrogen Superionic Diffusion of H2O Ice
Pengfei Hou, Yumiao Tian, Zifeng Liu +5
High-pressure experiments using diamond anvils have revealed novel properties and phase behavior of H2O under extreme conditions. When contained in diamond-anvil cells, the H2O sam…
Novel Transformations of PbTiO3 with Pressure and Temperature
Husam Farraj, Stefano Racioppi, Gaston Garbarino +8
We investigated the behavior of lead titanate (PbTiO3) up to 100 GPa, both at room temperature and upon laser heating, using synchrotron X ray diffraction combined with density fun…
Stability and Structure of Binary Metal Hydrides under Pressure, Electrochemical Potential and Combined Pressure-Electrochemistry
Mgcini Keith Phuthi, Pin-Wen Guan, Russell J. Hemley +1
Metal hydrides can be tuned to have a diverse range of properties and find applications in hydrogen storage and superconductivity. Finding methods to control the synthesis of hydri…