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Nanosecond X-ray diffraction of shock-compressed superionic water ice

Journal Article · · Nature (London)
 [1];  [1];  [2];  [1];  [1];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Rochester, Rochester, NY (United States)
Since Bridgman’s discovery of five solid water (H2O) ice phases in 1912, studies on the extraordinary polymorphism of H2O have documented more than seventeen crystalline and several amorphous ice structures, as well as rich metastability and kinetic effects. Here, this unique behaviour is due in part to the geometrical frustration of the weak intermolecular hydrogen bonds and the sizeable quantum motion of the light hydrogen ions (protons). Particularly intriguing is the prediction that H2O becomes superionic—with liquid-like protons diffusing through the solid lattice of oxygen—when subjected to extreme pressures exceeding 100 gigapascals and high temperatures above 2,000 kelvin.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1568026
Report Number(s):
LLNL-JRNL--740026; 892369
Journal Information:
Nature (London), Journal Name: Nature (London) Journal Issue: 7755 Vol. 569; ISSN 0028-0836
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Laser-driven shock compression of “synthetic planetary mixtures” of water, ethanol, and ammonia journal July 2019
X-ray free electron laser heating of water and gold at high static pressure text January 2021
Phase Transition of Ice at High Pressures and Low Temperatures journal January 2020
Why Does Ice Float? Not So Complicated preprint January 2020
Superionic State in Alumina Produced by Nonthermal Melting journal January 2020
Multiple superionic states in helium–water compounds journal July 2019
On a new nitrogen s X hydrate from ice XVII journal September 2019
Two basic vibrational modes of hydrogen bonds in ice XIII journal November 2019
Formation of hot ice caused by carbon nanobrushes journal August 2019
Optimized x-ray sources for x-ray diffraction measurements at the Omega Laser Facility journal December 2019
Gaseous “nanoprobes” for detecting gas-trapping environments in macroscopic films of vapor-deposited amorphous ice journal October 2019
Measurement of multiple physical parameters of dense gaseous hydrogen-deuterium mixture under double-shock compression: Evaluating theoretical models from multiple views journal December 2019
Water and methane stay together at extreme pressures journal August 2019
Anomalous hydrogen dynamics of the ice VII–VIII transition revealed by high-pressure neutron diffraction journal March 2020
Ab initio study of metallic aluminum hydrides at high pressures journal November 2019
Multiple superionic states in helium–water compounds text January 2019
Stability-Ranking of Crystalline Ice Polymorphs Using Density-Functional Theory journal January 2020

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