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Toward an international practical pressure scale: A proposal for an IPPS ruby gauge (IPPS-Ruby2020)

Shen, Guoyin and Wang, Yanbin and Dewaele, Agnes and Wu, Christine and Fratanduono, Dayne E. and Eggert, Jon and Klotz, Stefan and Dziubek, Kamil F. and Loubeyre, Paul and Fat’yanov, Oleg V. and Asimow, Paul D. and Mashimo, Tsutomu and Wentzcovitch, Renata M. M. (2020) Toward an international practical pressure scale: A proposal for an IPPS ruby gauge (IPPS-Ruby2020). High Pressure Research, 40 (3). pp. 299-314. ISSN 0895-7959. doi:10.1080/08957959.2020.1791107.

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At the 26th AIRAPT conference in 2017, a task group was formed to work on an International Practical Pressure Scale (IPPS). This report summarizes the activities of the task group toward an IPPS ruby gauge. We have selected three different approaches to establishing the relation between pressure (P) and ruby R1-line shift (Δλ) with three groups of optimal reference materials for applying these approaches. Using a polynomial form of the second order, the recommended ruby gauge (referred as Ruby2020) is expressed by: P[GPa] = 1.87(±0.01) × 10³ (Δλ/λ₀)[1+5.63(±0.03)(Δλ/λ₀)], where λ₀ is the wavelength of the R1-line near 694.25 nm at ambient condition. In June of 2020, the Executive Committee of AIRAPT endorsed the proposed Ruby2020. We encourage high-pressure practitioners to utilize Ruby2020 within its applicable pressure range (up to 150 GPa), so that pressure data can be directly compared across laboratories and amended consistently as better scales emerge in the future.

Item Type:Article
Related URLs:
URLURL TypeDescription
Shen, Guoyin0000-0001-5146-1147
Wang, Yanbin0000-0001-5716-3183
Dewaele, Agnes0000-0002-4194-4476
Fratanduono, Dayne E.0000-0003-0248-3627
Eggert, Jon0000-0001-5730-7108
Klotz, Stefan0000-0002-5682-4960
Dziubek, Kamil F.0000-0001-7577-4527
Loubeyre, Paul0000-0002-1778-3510
Fat’yanov, Oleg V.0000-0002-1127-2517
Asimow, Paul D.0000-0001-6025-8925
Mashimo, Tsutomu0000-0002-9231-4183
Wentzcovitch, Renata M. M.0000-0001-5663-9426
Additional Information:© 2020 Taylor and Francis. Received 27 Jun 2020, Accepted 30 Jun 2020, Published online: 23 Jul 2020. We thank the AIRAPT Executive Committee for the support of the IPPS task force activities. We thank Dr. Karl Syassen for his contribution to the establishment of Ruby2020. We also thank Drs. Steven Jacobsen and Thomas Duffy for useful discussions. GS acknowledges the support of HPCAT operations by Department of Energy (DOE)-NNSA's Office of Experimental Sciences. YW acknowledges the support of GeoSoilEnviroCARS, which is supported by the National Science Foundation – Earth Sciences (EAR – 1634415) and DOE-GeoSciences (DE-FG02-94ER14466). This work was supported by National Science Foundation: [Grant Number EAR –1634415]; Department of Energy - Department of Energy (DOE)-NNSA’s Office of Experimental Sciences; Department of Energy, Geosciences: [Grant Number DE-FG02-94ER14466]. No potential conflict of interest was reported by the author(s).
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02-94ER14466
Subject Keywords:International practical pressure scale, ruby gauge, equations of state
Issue or Number:3
Record Number:CaltechAUTHORS:20200806-065909934
Persistent URL:
Official Citation:Guoyin Shen, Yanbin Wang, Agnes Dewaele, Christine Wu, Dayne E. Fratanduono, Jon Eggert, Stefan Klotz, Kamil F. Dziubek, Paul Loubeyre, Oleg V. Fat’yanov, Paul D. Asimow, Tsutomu Mashimo, Renata M. M. Wentzcovitch & other members of the IPPS task group (2020) Toward an international practical pressure scale: A proposal for an IPPS ruby gauge (IPPS-Ruby2020), High Pressure Research, 40:3, 299-314, DOI: 10.1080/08957959.2020.1791107
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:104769
Deposited By: Tony Diaz
Deposited On:06 Aug 2020 15:45
Last Modified:16 Nov 2021 18:34

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