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Title: Ultrahigh-pressure polyamorphism in GeO 2 glass with coordination number >6

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America

Research Organization:
Carnegie Inst. of Science, Argonne, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
DOE Contract Number:
FG02-99ER45775; NA0001974; AC02-06CH11357; EAR-1128799; FG02-94ER14466; EAR-1214376
OSTI ID:
1249225
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Vol. 113, Issue 13; ISSN 0027-8424
Publisher:
National Academy of Sciences, Washington, DC (United States)
Country of Publication:
United States
Language:
ENGLISH

References (32)

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Intermediate-range order in vitreous SiO 2 and GeO 2 journal January 2005
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Polyhedral units and network connectivity in GeO 2 glass at high pressure: An X-ray total scattering investigation journal August 2014
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Density-driven structural transformations in network forming glasses: a high-pressure neutron diffraction study of GeO 2 glass up to 17.5 GPa journal September 2012
Pressure generation in a 6-8-2 type multi-anvil system: a performance test for third-stage anvils with various diamonds journal September 2008
Spectroscopic Evidence for Ultrahigh-Pressure Polymorphism in SiO 2 Glass journal January 2010
Toward comprehensive studies of liquids at high pressures and high temperatures: Combined structure, elastic wave velocity, and viscosity measurements in the Paris–Edinburgh cell journal March 2014
Electrical resistance of αFe2O3 under ultrahigh static pressure journal October 1980
α PbO 2 -type high-pressure polymorph of GeO 2 journal April 2003
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Atomistic modeling of multiple amorphous-amorphous transitions in SiO 2 and GeO 2 glasses at megabar pressures journal April 2011
High-pressure structural transformation of SiO 2 glass up to 100 GPa journal November 2010
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High-pressure form of pyrite-type germanium dioxide journal July 2003
Radial Density Functions for Liquid Mercury and Lead journal May 1965
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Cited By (19)

Corium lavas: structure and properties of molten UO2-ZrO2 under meltdown conditions journal February 2018
Spectroscopic features of ultrahigh-pressure impact glasses of the Kara astrobleme journal May 2018
CO3+1 network formation in ultra-high pressure carbonate liquids journal October 2019
Experimental and theoretical studies on the elasticity of tungsten to 13 GPa journal August 2018
Contributed Review: Culet diameter and the achievable pressure of a diamond anvil cell: Implications for the upper pressure limit of a diamond anvil cell journal November 2018
Beyond sixfold coordinated Si in SiO 2 glass at ultrahigh pressures journal September 2017
Pressure-induced structural change in MgSiO 3 glass at pressures near the Earth’s core–mantle boundary journal February 2018
Amorphous boron oxide at megabar pressures via inelastic X-ray scattering journal May 2018
Opposed type double stage cell for Mbar pressure experiment with large sample volume journal January 2020
High-pressure studies with x-rays using diamond anvil cells journal November 2016
Pressure-induced densification of vitreous silica: Insight from elastic properties journal September 2019
Density of amorphous Ge O 2 to 133 GPa with possible pyritelike structure and stiffness at high pressure journal December 2019
Amorphous tantala and its relationship with the molten state journal April 2018
Persistent Octahedral Coordination in Amorphous GeO 2 Up to 100 GPa by K β X-Ray Emission Spectroscopy journal February 2019
Density of amorphous $GeO_{2}$ to 133 GPa with possible pyritelike structure and stiffness at high pressure text January 2019
Pressure-induced densification of vitreous silica: insight from elastic properties text January 2019
Compressed glassy carbon maintaining graphite-like structure with linkage formation between graphene layers journal May 2019
Mysterious long-living ultrahigh-pressure or secondary impact crisis journal February 2020
Water makes glass elastically stiffer under high-pressure text January 2018

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