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Forman, Richard A.; Piermarini, Gasper J.; Barnett, J. Dean; Block, Stanley

Pressure Measurement Made by the Utilization of Ruby Sharp-Line Luminescence

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  • Media type: E-Article
  • Title: Pressure Measurement Made by the Utilization of Ruby Sharp-Line Luminescence
  • Contributor: Forman, Richard A.; Piermarini, Gasper J.; Barnett, J. Dean; Block, Stanley
  • imprint: American Association for the Advancement of Science (AAAS), 1972
  • Published in: Science
  • Language: English
  • DOI: 10.1126/science.176.4032.284
  • ISSN: 0036-8075; 1095-9203
  • Origination:
  • Footnote:
  • Description: <jats:p> A rapid, convenient technique for precision pressure measurement in the diamond-anvil high-pressure cell, which makes use of the sharp-line (R-line) luminescence of ruby, has been developed. The observed shift is -0.77 ± 0.03 reciprocal centimeters per kilobar for R <jats:sub>1</jats:sub> and -0.84 ± 0.03 reciprocal centimeters per kilobar for R <jats:sub>2</jats:sub> to lower energy and is approximately linear in the range studied (to 22 kilobars). Line-broadening has been observed in some instances and has been tentatively identified with nonhydrostatic conditions surrounding the ruby sample. </jats:p>