Chemistry under extreme conditions: Pressure evolution of chemical bonding and structure in dense solids
Abstract
Recent advances in high-pressure technologies and large-scale experimental and computational facilities have enabled scientists, at an unprecedented rate, to discover and predict novel states and materials under the extreme pressure-temperature conditions found in deep, giant-planet interiors. Based on a well-documented body of work in this field of high-pressure research, we elucidate the fundamental principles that govern the chemistry of dense solids under extreme conditions. These include: (i) the pressure-induced evolution of chemical bonding and structure of molecular solids to extended covalent solids, ionic solids and, ultimately, metallic solids, as pressure increases to the terapascal regime; (ii) novel properties and complex transition mechanisms, arising from the subtle balance between electron hybridization (bonding) and electrostatic interaction (packing) in densely packed solids; and (iii) new dense framework solids with high energy densities, and with tunable properties and stabilities under ambient conditions. Examples are taken primarily fromlow-Z molecular systems that have scientific implications for giant-planet models, condensed materials physics, and solid-state core-electron chemistry.
- Authors:
-
- Washington State Univ., Pullman, WA (United States). Inst. of Shock Physics, and Materials Science and Engineering
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Org.:
- National Science Foundation (NSF); USDOE National Nuclear Security Administration (NNSA); US Army Research Office (ARO); Defense Advanced Research Projects Agency (DARPA); USDOE Office of Science (SC), Basic Energy Sciences (BES); Agency for Defense Development (ADD)
- OSTI Identifier:
- 1598015
- Grant/Contract Number:
- DMR 1701360; NA0003342; W911NF-17-1-0468; W31P4Q-12-1-0009
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Matter and Radiation at Extremes
- Additional Journal Information:
- Journal Volume: 5; Journal Issue: 1; Journal ID: ISSN 2468-2047
- Publisher:
- China Academy of Engineering Physics (CAEP)/AIP Publishing
- Country of Publication:
- United States
- Language:
- ENGLISH
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Yoo, Choong-Shik. Chemistry under extreme conditions: Pressure evolution of chemical bonding and structure in dense solids. United States: N. p., 2020.
Web. doi:10.1063/1.5127897.
Yoo, Choong-Shik. Chemistry under extreme conditions: Pressure evolution of chemical bonding and structure in dense solids. United States. https://doi.org/10.1063/1.5127897
Yoo, Choong-Shik. Thu .
"Chemistry under extreme conditions: Pressure evolution of chemical bonding and structure in dense solids". United States. https://doi.org/10.1063/1.5127897. https://www.osti.gov/servlets/purl/1598015.
@article{osti_1598015,
title = {Chemistry under extreme conditions: Pressure evolution of chemical bonding and structure in dense solids},
author = {Yoo, Choong-Shik},
abstractNote = {Recent advances in high-pressure technologies and large-scale experimental and computational facilities have enabled scientists, at an unprecedented rate, to discover and predict novel states and materials under the extreme pressure-temperature conditions found in deep, giant-planet interiors. Based on a well-documented body of work in this field of high-pressure research, we elucidate the fundamental principles that govern the chemistry of dense solids under extreme conditions. These include: (i) the pressure-induced evolution of chemical bonding and structure of molecular solids to extended covalent solids, ionic solids and, ultimately, metallic solids, as pressure increases to the terapascal regime; (ii) novel properties and complex transition mechanisms, arising from the subtle balance between electron hybridization (bonding) and electrostatic interaction (packing) in densely packed solids; and (iii) new dense framework solids with high energy densities, and with tunable properties and stabilities under ambient conditions. Examples are taken primarily fromlow-Z molecular systems that have scientific implications for giant-planet models, condensed materials physics, and solid-state core-electron chemistry.},
doi = {10.1063/1.5127897},
journal = {Matter and Radiation at Extremes},
number = 1,
volume = 5,
place = {United States},
year = {2020},
month = {1}
}
Web of Science
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