High-pressure studies with x-rays using diamond anvil cells

G Shen, HK Mao - Reports on progress in Physics, 2016 - iopscience.iop.org
Pressure profoundly alters all states of matter. The symbiotic development of ultrahigh-
pressure diamond anvil cells, to compress samples to sustainable multi-megabar pressures; …

Hydrogen in the deep Earth

Q Williams, RJ Hemley - Annual Review of Earth and Planetary …, 2001 - annualreviews.org
▪ Abstract The mechanisms of exchange of hydrogen between the deep interior and surface
of Earth, as well as the means of retention and possible abundance of hydrogen deep within …

Equation of state and shear strength at multimegabar pressures: Magnesium oxide to 227 GPa

TS Duffy, RJ Hemley, H Mao - Physical Review Letters, 1995 - APS
The equation of state, elasticity, and shear strength of magnesium oxide were examined to
227 GPa using synchrotron x-ray diffraction in a diamond anvil cell. Static compression …

In situ X-ray observations of the coesite-stishovite transition: reversed phase boundary and kinetics

J Zhang, B Li, W Utsumi, RC Liebermann - Physics and Chemistry of …, 1996 - Springer
Using a DIA-type, cubic-anvil, high-pressure apparatus (SAM-85) in conjunction with in situ
X-ray diffraction, we have investigated phase relations between coesite and stishovite up to …

Evaluation of the hydrostaticity of a helium-pressure medium with powder X-ray diffraction techniques

K Takemura - Journal of applied physics, 2001 - pubs.aip.org
Helium is the best hydrostatic pressure-transmitting medium. It solidifies at about 11.5 GPa
at room temperature. 1 Even after solidification solid helium seems to be soft enough to …

Deformation of polycrystalline MgO at pressures of the lower mantle

S Merkel, HR Wenk, J Shu, G Shen… - Journal of …, 2002 - Wiley Online Library
Room temperature investigations on the shear strength, elastic moduli, elastic anisotropy,
and deformation mechanisms of MgO (periclase) are performed in situ up to pressures of 47 …

Lattice strains in gold and rhenium under nonhydrostatic compression to 37 GPa

TS Duffy, G Shen, DL Heinz, J Shu, Y Ma, HK Mao… - Physical Review B, 1999 - APS
Using energy-dispersive x-ray diffraction techniques together with the theory describing
lattice strains under nonhydrostatic compression, the behavior of a layered sample of gold …

Dislocations and plastic deformation in MgO crystals: a review

J Amodeo, S Merkel, C Tromas, P Carrez… - Crystals, 2018 - mdpi.com
This review paper focuses on dislocations and plastic deformation in magnesium oxide
crystals. MgO is an archetype ionic ceramic with refractory properties which is of interest in …

Pressure-induced H bonding: Neutron diffraction study of brucite, Mg(OD)2, to 9.3 GPa

JB Parise, K Leinenweber… - American …, 1994 - pubs.geoscienceworld.org
The structure of deuterated brucite has been refined using Rietveld analysis of neutron
powder diffraction data collected in an opposed-anvil high-pressure (Paris-Edinburgh) cell …

Thermal equations of state of the , , and phases of zirconium

Y Zhao, J Zhang, C Pantea, J Qian, LL Daemen… - Physical Review B …, 2005 - APS
We have conducted synchrotron x-ray diffraction studies on high purity zirconium metal at
pressures (P) up to 17 GPa and temperatures (T) up to 973 K. Unit cell volumes (V) were …