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Title: 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:
 [1]
+ Show Author Affiliations
  1. 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. https://doi.org/10.1063/1.5127897.
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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
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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.
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@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}
}
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Conventional superconductivity at 203 kelvin at high pressures in the sulfur hydride system
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Melting and phase transitions of nitrogen under high pressures and temperatures
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Six-fold coordinated carbon dioxide VI
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Observation of the Wigner-Huntington transition to metallic hydrogen
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Compression of Ice to 210 Gigapascals: Infrared Evidence for a Symmetric Hydrogen-Bonded Phase
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Cryogenic loading of large volume presses for high-pressure experimentation and synthesis of novel materials
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Kinetics of a pressure-induced polymerization reaction of cyanogen
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Chemical and phase transformations of cyanogen at high pressures
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Modulated phases and proton centring in ice observed by X-ray diffraction up to 170?GPa
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N5+: A Novel Homoleptic Polynitrogen Ion as a High Energy Density Material
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H 2 O and D 2 mixtures under pressure: Spectroscopy and proton exchange kinetics
journal, November 2011

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Terapascal static pressure generation with ultrahigh yield strength nanodiamond
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Two- and three-dimensional extended solids and metallization of compressed XeF2
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High density amorphous ice at room temperature
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