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Title: Transformation of shock-compressed graphite to hexagonal diamond in nanoseconds

Abstract

The graphite-to-diamond transformation under shock compression has been of broad scientific interest since 1961. The formation of hexagonal diamond (HD) is of particular interest because it is expected to be harder than cubic diamond and due to its use in terrestrial sciences as a marker at meteorite impact sites. However, the formation of diamond having a fully hexagonal structure continues to be questioned and remains unresolved. Using real-time (nanosecond), in situ x-ray diffraction measurements, we show unequivocally that highly oriented pyrolytic graphite, shock-compressed along the c axis to 50 GPa, transforms to highly oriented elastically strained HD with the (100)HD plane parallel to the graphite basal plane.

Authors:
ORCiD logo; ORCiD logo; ; ORCiD logo; ORCiD logo
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1408127
Resource Type:
Journal Article
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 3; Journal Issue: 10; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
ENGLISH
Subject:
36 MATERIALS SCIENCE

Citation Formats

Turneaure, Stefan J., Sharma, Surinder M., Volz, Travis J., Winey, J. M., and Gupta, Yogendra M. Transformation of shock-compressed graphite to hexagonal diamond in nanoseconds. United States: N. p., 2017. Web. doi:10.1126/sciadv.aao3561.
Turneaure, Stefan J., Sharma, Surinder M., Volz, Travis J., Winey, J. M., & Gupta, Yogendra M. Transformation of shock-compressed graphite to hexagonal diamond in nanoseconds. United States. https://doi.org/10.1126/sciadv.aao3561
Turneaure, Stefan J., Sharma, Surinder M., Volz, Travis J., Winey, J. M., and Gupta, Yogendra M. Sun . "Transformation of shock-compressed graphite to hexagonal diamond in nanoseconds". United States. https://doi.org/10.1126/sciadv.aao3561.
@article{osti_1408127,
title = {Transformation of shock-compressed graphite to hexagonal diamond in nanoseconds},
author = {Turneaure, Stefan J. and Sharma, Surinder M. and Volz, Travis J. and Winey, J. M. and Gupta, Yogendra M.},
abstractNote = {The graphite-to-diamond transformation under shock compression has been of broad scientific interest since 1961. The formation of hexagonal diamond (HD) is of particular interest because it is expected to be harder than cubic diamond and due to its use in terrestrial sciences as a marker at meteorite impact sites. However, the formation of diamond having a fully hexagonal structure continues to be questioned and remains unresolved. Using real-time (nanosecond), in situ x-ray diffraction measurements, we show unequivocally that highly oriented pyrolytic graphite, shock-compressed along the c axis to 50 GPa, transforms to highly oriented elastically strained HD with the (100)HD plane parallel to the graphite basal plane.},
doi = {10.1126/sciadv.aao3561},
url = {https://www.osti.gov/biblio/1408127}, journal = {Science Advances},
issn = {2375-2548},
number = 10,
volume = 3,
place = {United States},
year = {2017},
month = {10}
}

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    Works referencing / citing this record:

    Predicting superhard materials via a machine learning informed evolutionary structure search
    journal, September 2019


    Quantifying hexagonal stacking in diamond
    journal, July 2019


    Laboratory setup for rapid in situ powder X-ray diffraction elucidating Ni particle formation in supercritical methanol
    journal, July 2019


    Graphite to diamond transformation under shock compression: Role of orientational order
    journal, June 2019


    Nano-to-micro diamond formation by nanosecond pulsed laser annealing
    journal, September 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


    Nanosecond Melting and Recrystallization in Shock-Compressed Silicon
    journal, September 2018


    In situ observation of material flow in composite media under shock compression
    journal, July 2019


    Analysis of stacking disorder in ice I using pair distribution functions
    journal, July 2018