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

IF 1.2 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

High Pressure Research Pub Date : 2020-07-02 DOI:10.1080/08957959.2020.1791107

Guoyin Shen, Yanbin Wang, A. Dewaele, Christine Wu, D. Fratanduono, J. Eggert, S. Klotz, K. Dziubek, P. Loubeyre, O. V. Fat’yanov, P. Asimow, T. Mashimo, R. Wentzcovitch

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引用次数: 114

Abstract

ABSTRACT 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: , 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.

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迈向国际实用压力表：IPPS红宝石压力计（IPPS-Ruby2020）的建议

在2017年第26届AIRAPT会议上，成立了一个国际实用压力标(IPPS)工作组。本报告总结了工作组为实现IPPS红宝石标准所开展的活动。我们选择了三种不同的方法来建立压力(P)和红宝石r1线位移(Δλ)之间的关系，并使用三组最佳参考材料来应用这些方法。采用二阶多项式形式，将推荐的红宝石量规(Ruby2020)表示为:，其中λ0为环境条件下r1线694.25 nm附近的波长。2020年6月，AIRAPT执行委员会批准了Ruby2020提案。我们鼓励高压从业者在其适用的压力范围内(高达150 GPa)使用Ruby2020，这样压力数据可以直接在实验室之间进行比较，并在未来出现更好的刻度时不断修改。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

High Pressure Research 物理-物理：综合

CiteScore

3.80

自引率

5.00%

发文量

审稿时长

2 months

期刊介绍： High Pressure Research is the leading journal for research in high pressure science and technology. The journal publishes original full-length papers and short research reports of new developments, as well as timely review articles. It provides an important forum for the presentation of experimental and theoretical advances in high pressure science in subjects such as: condensed matter physics and chemistry geophysics and planetary physics synthesis of new materials chemical kinetics under high pressure industrial applications shockwaves in condensed matter instrumentation and techniques the application of pressure to food / biomaterials Theoretical papers of exceptionally high quality are also accepted.