Journal
PHYSICS OF PLASMAS
Volume 17, Issue 5, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3358144
Keywords
impedance matching; plasma diagnostics; plasma shock waves
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The equation of state (EOS) of polystyrene and polypropylene were measured using laser-driven shock waves with pressures from 1 to 10 Mbar. Precision data resulting from the use of alpha-quartz as an impedance-matching (IM) standard tightly constrains the EOS of these hydrocarbons, even with the inclusion of systematic errors inherent to IM. The temperature at these high pressures was measured, which, combined with kinematic measurements, provide a complete shock EOS. Both hydrocarbons were observed to reach similar compressions and temperatures as a function of pressure. The materials were observed to transition from transparent insulators to reflecting conductors at pressures of 1 to 2 Mbar. (C) 2010 American Institute of Physics. [doi:10.1063/1.3358144]
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