scholarly journals High-pressure x-ray scattering and computer simulation studies of density-induced polyamorphism in silicon

2007 ◽  
Vol 75 (22) ◽  
Author(s):  
Dominik Daisenberger ◽  
Mark Wilson ◽  
Paul F. McMillan ◽  
Raul Quesada Cabrera ◽  
Martin C. Wilding ◽  
...  
Keyword(s):  
Computer Simulation ◽  
High Pressure ◽  
Simulation Studies ◽  
X Ray ◽  
X Ray Scattering ◽  
Computer Simulation Studies ◽  
Ray Scattering

Raman and X-Ray Scattering Studies of High-Pressure Phases of Urea

2005 ◽  
Vol 109 (16) ◽  
pp. 8206-8215 ◽  
Author(s):  
F. J. Lamelas ◽  
Z. A. Dreger ◽  
Y. M. Gupta
Keyword(s):  
High Pressure ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Sound velocity measurements of hcp Fe-Si alloy at high pressure and high temperature by inelastic X-ray scattering

2018 ◽  
Vol 103 (1) ◽  
pp. 85-90 ◽  
Author(s):  
Takanori Sakairi ◽  
Tatsuya Sakamaki ◽  
Eiji Ohtani ◽  
Hiroshi Fukui ◽  
Seiji Kamada ◽  
...  
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Sound Velocity ◽  
Velocity Measurements ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

scholarly journals Sound velocity of Fe3C at high pressure and high temperature determined by inelastic X-ray scattering

2019 ◽  
Vol 351 (2-3) ◽  
pp. 190-196 ◽  
Author(s):  
Suguru Takahashi ◽  
Eiji Ohtani ◽  
Tatsuya Sakamaki ◽  
Seiji Kamada ◽  
Hiroshi Fukui ◽  
...  
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Sound Velocity ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

High-pressure developments for resonant X-ray scattering experiments at I16

2020 ◽  
Vol 27 (2) ◽  
pp. 351-359
Author(s):  
I. Povedano ◽  
A. Bombardi ◽  
D. G. Porter ◽  
M. Burt ◽  
S. Green ◽  
...  
Keyword(s):  
High Pressure ◽  
Low Temperature ◽  
The Body ◽  
X Ray ◽  
X Ray Scattering ◽  
Scattering Geometry ◽  
Diamond Anvil ◽  
Membrane Cell ◽  
Ray Scattering

An experimental setup to perform high-pressure resonant X-ray scattering (RXS) experiments at low temperature on I16 at Diamond Light Source is presented. The setup consists of a membrane-driven diamond anvil cell, a panoramic dome and an optical system that allows pressure to be measured in situ using the ruby fluorescence method. The membrane cell, inspired by the Merrill–Bassett design, presents an asymmetric layout in order to operate in a back-scattering geometry, with a panoramic aperture of 100° in the top and a bottom half dedicated to the regulation and measurement of pressure. It is specially designed to be mounted on the cold finger of a 4 K closed-cycle cryostat and actuated at low-temperature by pumping helium into the gas membrane. The main parts of the body are machined from a CuBe alloy (BERYLCO 25) and, when assembled, it presents an approximate height of 20–21 mm and fits into a 57 mm diameter. This system allows different materials to be probed using RXS in a range of temperatures between 30 and 300 K and has been tested up to 20 GPa using anvils with a culet diameter of 500 µm under quasi-cryogenic conditions. Detailed descriptions of different parts of the setup, operation and the developed methodology are provided here, along with some preliminary experimental results.

Polyamorphic Amorphous Silicon at High Pressure: Raman and Spatially Resolved X-ray Scattering and Molecular Dynamics Studies

2011 ◽  
Vol 115 (48) ◽  
pp. 14246-14255 ◽  
Author(s):  
Dominik Daisenberger ◽  
Thierry Deschamps ◽  
Bernard Champagnon ◽  
Mohamed Mezouar ◽  
Raúl Quesada Cabrera ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
High Pressure ◽  
Amorphous Silicon ◽  
X Ray ◽  
Spatially Resolved ◽  
X Ray Scattering ◽  
Ray Scattering

scholarly journals Cost-effective upgrade of a focusing system for inelastic X-ray scattering experiments under high pressure

2007 ◽  
Vol 15 (1) ◽  
pp. 50-54 ◽  
Author(s):  
Chi-Yi Huang ◽  
Yong Q. Cai ◽  
Nozomu Hiraoka ◽  
Cheng-Chi Chen ◽  
Shih-Chun Chung ◽  
...  
Keyword(s):  
High Pressure ◽  
Cost Effective ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering
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