The ruby pressure standard to 150 GPa

A determination of the ruby high-pressure scale is presented using all available appropriate measurements including our own. Calibration data extend to 150 GPa . A careful consideration of shock-wave-reduced isotherms is given, including corrections for material strength. The data are fitted to the...

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Bibliographic Details
Published in:Journal of applied physics 2005-12, Vol.98 (11), p.114905-114905-9
Main Authors: Chijioke, Akobuije D., Nellis, W. J., Soldatov, A., Silvera, Isaac F.
Format: Article
Language:English
Subjects:
CALIBRATION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CORRECTIONS
EQUATIONS
Fysik
ISOTHERMS
PRESSURE MEASUREMENT
PRESSURE RANGE GIGA PA
RUBY
SHOCK WAVES
WAVELENGTHS
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Summary:A determination of the ruby high-pressure scale is presented using all available appropriate measurements including our own. Calibration data extend to 150 GPa . A careful consideration of shock-wave-reduced isotherms is given, including corrections for material strength. The data are fitted to the calibration equation P = ( A ∕ B ) [ ( λ ∕ λ 0 ) B − 1 ] (GPa), with A = 1876 ± 6.7 , B = 10.71 ± 0.14 , and λ is the peak wavelength of the ruby R 1 line.
ISSN:0021-8979
1089-7550
1089-7550
DOI:10.1063/1.2135877