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Title: Nanosecond formation of diamond and lonsdaleite by shock compression of graphite

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms10970· OSTI ID:1249384
 [1];  [2];  [2];  [3];  [4];  [5];  [5];  [2];  [5];  [2];  [1];  [6];  [2];  [2];  [2];  [7];  [2];  [8];  [2];  [6] more »;  [1];  [2];  [5] « less
  1. Univ. of California, Berkeley, CA (United States)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Univ. of Warwick, Coventry (United Kingdom)
  4. Max-Planck-Institut fur Physik Komplexer Systeme, Dresden (Germany); Institute of Radiation Physics, Dresden (Germany)
  5. Technische Univ. Darmstadt, Darmstadt (Germany)
  6. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  7. Univ. of Oxford, Oxford (United Kingdom)
  8. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany)

The shock-induced transition from graphite to diamond has been of great scientific and technological interest since the discovery of microscopic diamonds in remnants of explosively driven graphite. Furthermore, shock synthesis of diamond and lonsdaleite, a speculative hexagonal carbon polymorph with unique hardness, is expected to happen during violent meteor impacts. Here, we show unprecedented in situ X-ray diffraction measurements of diamond formation on nanosecond timescales by shock compression of pyrolytic as well as polycrystalline graphite to pressures from 19 GPa up to 228 GPa. While we observe the transition to diamond starting at 50 GPa for both pyrolytic and polycrystalline graphite, we also record the direct formation of lonsdaleite above 170 GPa for pyrolytic samples only. In conclusion, our experiment provides new insights into the processes of the shock-induced transition from graphite to diamond and uniquely resolves the dynamics that explain the main natural occurrence of the lonsdaleite crystal structure being close to meteor impact sites.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-76SF00515; AC52-07NA27344
OSTI ID:
1249384
Alternate ID(s):
OSTI ID: 1252606
Report Number(s):
SLAC-REPRINT-2016-009; LLNL-JRNL-665618; ncomms10970
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 128 works
Citation information provided by
Web of Science

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Density response to short-pulse excitation in gold journal March 2019
Comprehensive analysis of nanodiamond evidence relating to the Younger Dryas Impact Hypothesis: THE NANODIAMOND EVIDENCE journal December 2016
Theoretical Investigation of Phase Transitions of Graphite and Cubic 3C Diamond Into Hexagonal 2H Diamond Under High Pressures journal February 2019
A strong diffusive ion mode in dense ionized matter predicted by Langevin dynamics journal January 2017
Phase transition lowering in dynamically compressed silicon journal September 2018
Making spectral shape measurements in inverse Compton scattering a tool for advanced diagnostic applications journal January 2018
Femtosecond diffraction studies of solid and liquid phase changes in shock-compressed bismuth journal November 2018
Quantifying hexagonal stacking in diamond journal July 2019
Nanocrystalline hexagonal diamond formed from glassy carbon journal November 2016
Comment on “Incipient plasticity of diamond during nanoindentation” by C. Xu, C. Liu and H. Wang, RSC Advances , 2017, 7 , 36093 journal January 2018
Metal halide perovskites under compression journal January 2019
Tracking the density evolution in counter-propagating shock waves using imaging X-ray scattering journal July 2016
High-pressure chemistry of hydrocarbons relevant to planetary interiors and inertial confinement fusion journal May 2018
Application of Al-Cu-W-Ta graded density impactors in dynamic ramp compression experiments journal April 2019
Graphite to diamond transformation under shock compression: Role of orientational order journal June 2019
Stabilizing the metastable superhard material wurtzite boron nitride by three-dimensional networks of planar defects journal May 2019
Ab initio dielectric response function of diamond and other relevant high pressure phases of carbon journal November 2019
Structural studies of carbons by neutron and x-ray scattering journal November 2018
Mechanochemical formation of heterogeneous diamond structures during rapid uniaxial compression in graphite journal May 2018
Melting temperature of diamond and cubic boron nitride at 15 gigapascals journal November 2019
Analysis of stacking disorder in ice I using pair distribution functions journal July 2018
An experimental platform using high-power, high-intensity optical lasers with the hard X-ray free-electron laser at SACLA journal February 2019
Transformation of shock-compressed graphite to hexagonal diamond in nanoseconds journal October 2017
Evidence for Crystalline Structure in Dynamically-Compressed Polyethylene up to 200 GPa text January 2019
Short-wavelength free-electron laser sources and science: a review text January 2017
Simultaneous 8.2 keV phase-contrast imaging and 24.6 keV X-ray diffraction from shock-compressed matter at the LCLS text January 2018
Building an Optical Free-Electron Laser in the Traveling-Wave Thomson-Scattering Geometry journal January 2019
Ion-beam-driven Planetary Physics Research at FAIR journal October 2018
Simultaneous 8.2 keV phase-contrast imaging and 24.6 keV X-ray diffraction from shock-compressed matter at the LCLS journal May 2018
Evidence for Crystalline Structure in Dynamically-Compressed Polyethylene up to 200 GPa journal March 2019
Tracking the density evolution in counter-propagating shock waves using imaging X-ray scattering text January 2016
Short-wavelength free-electron laser sources and science: a review journal October 2017
Stress Writing Textured Graphite Conducting Wires/Patterns in Insulating Amorphous Carbon Matrix as Interconnects journal August 2017
Ab initio path integral Monte Carlo approach to the momentum distribution of the uniform electron gas at finite temperature without fixed nodes journal May 2021