Low-temperature and high-pressure phase changes of room-temperature ionic liquids

2020 ◽  
Vol 300 ◽  
pp. 112340
Author(s):  
Hiroshi Abe ◽  
Hiroaki Kishimura ◽  
Takahiro Takekiyo ◽  
Tomonori Hanasaki ◽  
Yukihiro Yoshimura ◽  
...  
Keyword(s):  
High Pressure ◽  
Ionic Liquids ◽  
Low Temperature ◽  
Room Temperature ◽  
Phase Changes ◽  
High Pressure Phase ◽  
Room Temperature Ionic Liquids ◽  
Pressure Phase

Reversible pressure-induced structure changes in turbostratic BN–C solid solutions

2005 ◽  
Vol 61 (5) ◽  
pp. 498-503 ◽  
Author(s):  
Vladimir L. Solozhenko ◽  
Oleksandr O. Kurakevych
Keyword(s):  
High Pressure ◽  
Numerical Modeling ◽  
Solid Solutions ◽  
Room Temperature ◽  
Rietveld Analysis ◽  
High Pressure Phase ◽  
Structure Changes ◽  
Diffraction Patterns ◽  
Induced Structure ◽  
Pressure Phase

The results obtained by Rietveld analysis and numerical modeling of B–C–N layered clusters with various types of lattice defects explain the evolution of diffraction patterns of turbostratic graphite-like BN–C solid solutions which are experimentally observed at room temperature at pressures up to 30 GPa. Above 20 GPa a reversible diffusionless transformation of the initial turbostratic structure takes place, giving a high-pressure phase formed by close-packed buckled layers having a diamond-like structure.

High-Pressure Phase Behavior of Systems with Ionic Liquids:  Part V. The Binary System Carbon Dioxide + 1-Butyl-3-methylimidazolium Tetrafluoroborate

2005 ◽  
Vol 50 (1) ◽  
pp. 173-176 ◽  
Author(s):  
Maaike C. Kroon ◽  
Alireza Shariati ◽  
Marco Costantini ◽  
Jaap van Spronsen ◽  
Geert-Jan Witkamp ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
High Pressure ◽  
Ionic Liquids ◽  
Binary System ◽  
Phase Behavior ◽  
High Pressure Phase ◽  
High Pressure Phase Behavior ◽  
Pressure Phase
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