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Title: Evidence of shock-compressed stishovite above 300 GPa

Abstract

SiO 2 is one of the most fundamental constituents in planetary bodies, being an essential building block of major mineral phases in the crust and mantle of terrestrial planets (1–10 M E). Silica at depths greater than 300 km may be present in the form of the rutile-type, high pressure polymorph stishovite (P4 2/mnm) and its thermodynamic stability is of great interest for understanding the seismic and dynamic structure of planetary interiors. Previous studies on stishovite via static and dynamic (shock) compression techniques are contradictory and the observed differences in the lattice-level response is still not clearly understood. Here, laser-induced shock compression experiments at the LCLS- and SACLA XFEL light-sources elucidate the high-pressure behavior of stishovite on the lattice-level under in situ conditions on the Hugoniot to pressures above 300 GPa. We find stishovite is still (meta-)stable at these conditions, and does not undergo any phase transitions. This contradicts static experiments showing structural transformations to the CaCl 2, α-PbO 2 and pyrite-type structures. However, rate-limited kinetic hindrance may explain our observations. These results are important to our understanding into the validity of EOS data from nanosecond experiments for geophysical applications.

Authors:
 [1];  [1];  [2];  [3];  [4];  [2];  [4];  [4];  [5];  [6];  [7];  [8];  [4];  [7];  [1];  [9];  [10];  [11];  [6];  [12] more »;  [7];  [1];  [6];  [1];  [1] « less
  1. European X-ray Free-Electron Laser (XFEL), Schenefeld (Germany)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Photon Science
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. Sorbonne Univ., Paris (France). Inst. of Mineralogy, Materials Physics and Cosmochemistry
  6. RIKEN SPring-8 Center, Hyogo (Japan); Japan Synchrotron Radiation Research Institute, Hyogo (Japan)
  7. Osaka Univ. (Japan)
  8. RIKEN SPring-8 Center, Hyogo (Japan)
  9. Univ. of Rostock (Germany). Inst. für Physik
  10. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  11. Center for High-Pressure Science and Technology Advanced Research (HPSTAR), Shanghai (China)
  12. Carnegie Inst. of Washington, Washington, DC (United States). Earth and Planets Lab.
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); European Research Council (ERC); Japan Synchrotron Radiation Research Institute; Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT); Japan Society for the Promotion of Science (JSPS); German Federal Ministry of Education and Research (BMBF); National Science Foundation (NSF)
OSTI Identifier:
1647239
Grant/Contract Number:  
AC02-76SF00515; 670787-D-PLANETDIVE; 2019A8072; JPMXS0118067246; 19K2186; 16H02246; 05K16WC2; 05K13WC2; EAR-1644614
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; astronomy and planetary science; materials science; physics; planetary science

Citation Formats

Schoelmerich, Markus O., Tschentscher, Thomas, Bhat, Shrikant, Bolme, Cindy A., Cunningham, Eric, Farla, Robert, Galtier, Eric, Gleason, Arianna E., Harmand, Marion, Inubushi, Yuichi, Katagiri, Kento, Miyanishi, Kohei, Nagler, Bob, Ozaki, Norimasa, Preston, Thomas R., Redmer, Ronald, Smith, Ray F., Tobase, Tsubasa, Togashi, Tadashi, Tracy, Sally J., Umeda, Yuhei, Wollenweber, Lennart, Yabuuchi, Toshinori, Zastrau, Ulf, and Appel, Karen. Evidence of shock-compressed stishovite above 300 GPa. United States: N. p., 2020. Web. doi:10.1038/s41598-020-66340-y.
Schoelmerich, Markus O., Tschentscher, Thomas, Bhat, Shrikant, Bolme, Cindy A., Cunningham, Eric, Farla, Robert, Galtier, Eric, Gleason, Arianna E., Harmand, Marion, Inubushi, Yuichi, Katagiri, Kento, Miyanishi, Kohei, Nagler, Bob, Ozaki, Norimasa, Preston, Thomas R., Redmer, Ronald, Smith, Ray F., Tobase, Tsubasa, Togashi, Tadashi, Tracy, Sally J., Umeda, Yuhei, Wollenweber, Lennart, Yabuuchi, Toshinori, Zastrau, Ulf, & Appel, Karen. Evidence of shock-compressed stishovite above 300 GPa. United States. https://doi.org/10.1038/s41598-020-66340-y
Schoelmerich, Markus O., Tschentscher, Thomas, Bhat, Shrikant, Bolme, Cindy A., Cunningham, Eric, Farla, Robert, Galtier, Eric, Gleason, Arianna E., Harmand, Marion, Inubushi, Yuichi, Katagiri, Kento, Miyanishi, Kohei, Nagler, Bob, Ozaki, Norimasa, Preston, Thomas R., Redmer, Ronald, Smith, Ray F., Tobase, Tsubasa, Togashi, Tadashi, Tracy, Sally J., Umeda, Yuhei, Wollenweber, Lennart, Yabuuchi, Toshinori, Zastrau, Ulf, and Appel, Karen. Tue . "Evidence of shock-compressed stishovite above 300 GPa". United States. https://doi.org/10.1038/s41598-020-66340-y. https://www.osti.gov/servlets/purl/1647239.
@article{osti_1647239,
title = {Evidence of shock-compressed stishovite above 300 GPa},
author = {Schoelmerich, Markus O. and Tschentscher, Thomas and Bhat, Shrikant and Bolme, Cindy A. and Cunningham, Eric and Farla, Robert and Galtier, Eric and Gleason, Arianna E. and Harmand, Marion and Inubushi, Yuichi and Katagiri, Kento and Miyanishi, Kohei and Nagler, Bob and Ozaki, Norimasa and Preston, Thomas R. and Redmer, Ronald and Smith, Ray F. and Tobase, Tsubasa and Togashi, Tadashi and Tracy, Sally J. and Umeda, Yuhei and Wollenweber, Lennart and Yabuuchi, Toshinori and Zastrau, Ulf and Appel, Karen},
abstractNote = {SiO2 is one of the most fundamental constituents in planetary bodies, being an essential building block of major mineral phases in the crust and mantle of terrestrial planets (1–10 ME). Silica at depths greater than 300 km may be present in the form of the rutile-type, high pressure polymorph stishovite (P42/mnm) and its thermodynamic stability is of great interest for understanding the seismic and dynamic structure of planetary interiors. Previous studies on stishovite via static and dynamic (shock) compression techniques are contradictory and the observed differences in the lattice-level response is still not clearly understood. Here, laser-induced shock compression experiments at the LCLS- and SACLA XFEL light-sources elucidate the high-pressure behavior of stishovite on the lattice-level under in situ conditions on the Hugoniot to pressures above 300 GPa. We find stishovite is still (meta-)stable at these conditions, and does not undergo any phase transitions. This contradicts static experiments showing structural transformations to the CaCl2, α-PbO2 and pyrite-type structures. However, rate-limited kinetic hindrance may explain our observations. These results are important to our understanding into the validity of EOS data from nanosecond experiments for geophysical applications.},
doi = {10.1038/s41598-020-66340-y},
url = {https://www.osti.gov/biblio/1647239}, journal = {Scientific Reports},
issn = {2045-2322},
number = 1,
volume = 10,
place = {United States},
year = {2020},
month = {6}
}

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    Works referencing / citing this record:

    Evidence of shock-compressed stishovite above 300 GPa
    text, January 2020