Calibration of ruby and matlockite luminescence lines from the melting of mercury: constraints on the initial slopes
Journal Article
·
· High Pressure Research
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sorbonne Univ., Paris (France)
We have measured the luminescence shifts of the ruby’s R1- and R2-lines and the line of 5D0 → 7F0 from Sm2+:SrFCl corresponding to the melting pressure of mercury that is recommended by the AIRAPT task force as an International Practical Pressure Scale (IPPS). The linear coefficients of the pressure dependence of the R1-, R2-lines, and the luminescence line of Sm2+:SrFCl are determined to be 0.3722 ± 0.002, 0.3796 ± 0.002, and 1.123 ± 0.002 nm/GPa, respectively. The results not only put tight constraints on the initial slopes of ruby and Sm2+:SrFCl gauges, but also link the luminescence-based pressure gauges to the more fundamental primary piston gauges.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- Institut de Mineralogie de Physique des Materiaux et de Cosmochimie (IMPMC); National Science Foundation (NSF) - Directorate for Geosciences Division of Earth Sciences (GEO/EAR); USDOE National Nuclear Security Administration (NNSA). Office of Experimental Sciences; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; University of Paderborn
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1787864
- Journal Information:
- High Pressure Research, Journal Name: High Pressure Research Journal Issue: 2 Vol. 41; ISSN 0895-7959
- Publisher:
- Taylor & FrancisCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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