Specific volume measurements of Cu, Mo, Pd, and Ag and calibration of the ruby <i>R</i>1 fluorescence pressure gauge from 0.06 to 1 Mbar

  • H. K. Mao
    Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. 20008
  • P. M. Bell
    Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. 20008
  • J. W. Shaner
    Lawrence Livermore Laboratory, University of California, Livermore, California 94550
  • D. J. Steinberg
    Lawrence Livermore Laboratory, University of California, Livermore, California 94550

抄録

<jats:p>The wavelength shift with pressure of the ruby R1 fluorescence line (Δλ) has been calibrated in the diamond-window pressure cell from 0.06 to 1 Mbar. This was done by simultaneously making specific volume measurements of four metals (Cu, Mo, Ag, and Pd) and referring these results to isothermal equations of state derived from shock-wave experiments. The result is P (Mbar) = (19.04/5) {[(λ0+Δλ)/λ0]5−1}, where λ0 is the wavelength measured at 1 bar.</jats:p>

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