TY - JOUR
T1 - Transformations in the medium-range order of fused silica under high pressure
AU - Dávila, Lílian P.
AU - Caturla, Maria José
AU - Kubota, Alison
AU - Sadigh, Babak
AU - Díaz de la Rubia, Tomás
AU - Shackelford, James F.
AU - Risbud, Subhash H.
AU - Garofalini, Stephen H.
N1 - Funding Information:
This work was performed under the auspices of the U.S. Department of Energy, Lawrence Livermore National Laboratory under Contract No. W-7405-Eng-48. Funding was provided by the Department of Energy Office of Basic Energy Sciences. One of the authors (M. J. C.) thanks the Spanish MCYT for support through the Ramon y Cajal program. Thanks to E. Bringa for useful discussions.
PY - 2003
Y1 - 2003
N2 - Molecular dynamics simulations of fused silica at shock pressures reproduce the experimental equation of state of this material and explain its characteristic shape. We demonstrate that shock waves modify the medium-range order of this amorphous system, producing changes that are only clearly revealed by its ring size distribution. The ring size distribution remains practically unchanged during elastic compression but varies continuously after the transition to the plastic regime.
AB - Molecular dynamics simulations of fused silica at shock pressures reproduce the experimental equation of state of this material and explain its characteristic shape. We demonstrate that shock waves modify the medium-range order of this amorphous system, producing changes that are only clearly revealed by its ring size distribution. The ring size distribution remains practically unchanged during elastic compression but varies continuously after the transition to the plastic regime.
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U2 - 10.1103/PhysRevLett.91.205501
DO - 10.1103/PhysRevLett.91.205501
M3 - Article
AN - SCOPUS:0348107283
VL - 91
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 20
ER -