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; …

High-resolution inelastic X-ray scattering I: Context, spectrometers, samples, and superconductors

AQR Baron - Synchrotron Light Sources and Free-Electron Lasers …, 2020 - Springer
This chapter reviews nonresonant, meV-resolution inelastic x-ray scattering (IXS), as applied
to the measurement of atomic dynamics of crystalline materials. It, in conjunction with a …

High pressure synthesis of a hexagonal close-packed phase of the high-entropy alloy CrMnFeCoNi

CL Tracy, S Park, DR Rittman, SJ Zinkle, H Bei… - Nature …, 2017 - nature.com
High-entropy alloys, near-equiatomic solid solutions of five or more elements, represent a
new strategy for the design of materials with properties superior to those of conventional …

A Coupled Nanoindentation/SEM‐EDS Study on Low Water/Cement Ratio Portland Cement Paste: Evidence for C–S–H/Ca(OH)2 Nanocomposites

JJ Chen, L Sorelli, M Vandamme… - Journal of the …, 2010 - Wiley Online Library
A low water/cement ratio (w/c= 0.20) hydrated Portland cement paste was analyzed by grid‐
indentation coupled with ex situ scanning electron microscope‐energy‐dispersive X‐ray …

The effect of the nanogranular nature of shale on their poroelastic behavior

JA Ortega, FJ Ulm, Y Abousleiman - Acta Geotechnica, 2007 - Springer
Natural composite materials are highly heterogeneous porous materials, with porosities that
manifest themselves at scales much below the macroscale of engineering applications. A …

Composition of the Earth's inner core from high-pressure sound velocity measurements in Fe–Ni–Si alloys

D Antonangeli, J Siebert, J Badro, DL Farber… - Earth and Planetary …, 2010 - Elsevier
We performed room-temperature sound velocity and density measurements on a
polycrystalline alloy, Fe0. 89Ni0. 04Si0. 07, in the hexagonal close-packed (hcp) phase up …

Spin crossover in ferropericlase at high pressure: A seismologically transparent transition?

D Antonangeli, J Siebert, CM Aracne, DL Farber… - Science, 2011 - science.org
Seismic discontinuities in Earth typically arise from structural, chemical, or temperature
variations with increasing depth. The pressure-induced iron spin state transition in the lower …

[图书][B] The nanogranular origin of concrete creep: a nanoindentation investigation of microstructure and fundamental properties of calcium-silicate-hydrates

M Vandamme, FJ Ulm - 2008 - navier-lab.fr
With an annual per capita consumption of one cubic meter, concrete is the most
manufactured material on Earth. But concrete subject to sustained load creeps, like chewing …

High‐pressure behavior of iron carbide (Fe7C3) at inner core conditions

M Mookherjee, Y Nakajima… - Journal of …, 2011 - Wiley Online Library
Carbon is a plausible light element candidate in the Earth's core owing to its cosmic
abundance and its chemical affinity for iron. Recent experimental studies on Fe‐C phase …

Sound velocity in iron carbide (Fe3C) at high pressure: Implications for the carbon content of the Earth's inner core

G Fiquet, J Badro, E Gregoryanz, Y Fei… - Physics of the Earth and …, 2009 - Elsevier
We measured compressional sound velocities of Fe3C cohenite at high pressure by
inelastic X-ray scattering (IXS). We show that Fe3C follows Birch's law for the longitudinal …