High-pressure studies with x-rays using diamond anvil cells

IF 19 1区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Reports on Progress in Physics Pub Date : 2017-01-01 DOI:10.1088/1361-6633/80/1/016101
G. Shen, H. Mao
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引用次数: 109

Abstract

Pressure profoundly alters all states of matter. The symbiotic development of ultrahigh-pressure diamond anvil cells, to compress samples to sustainable multi-megabar pressures; and synchrotron x-ray techniques, to probe materials’ properties in situ, has enabled the exploration of rich high-pressure (HP) science. In this article, we first introduce the essential concept of diamond anvil cell technology, together with recent developments and its integration with other extreme environments. We then provide an overview of the latest developments in HP synchrotron techniques, their applications, and current problems, followed by a discussion of HP scientific studies using x-rays in the key multidisciplinary fields. These HP studies include: HP x-ray emission spectroscopy, which provides information on the filled electronic states of HP samples; HP x-ray Raman spectroscopy, which probes the HP chemical bonding changes of light elements; HP electronic inelastic x-ray scattering spectroscopy, which accesses high energy electronic phenomena, including electronic band structure, Fermi surface, excitons, plasmons, and their dispersions; HP resonant inelastic x-ray scattering spectroscopy, which probes shallow core excitations, multiplet structures, and spin-resolved electronic structure; HP nuclear resonant x-ray spectroscopy, which provides phonon densities of state and time-resolved Mössbauer information; HP x-ray imaging, which provides information on hierarchical structures, dynamic processes, and internal strains; HP x-ray diffraction, which determines the fundamental structures and densities of single-crystal, polycrystalline, nanocrystalline, and non-crystalline materials; and HP radial x-ray diffraction, which yields deviatoric, elastic and rheological information. Integrating these tools with hydrostatic or uniaxial pressure media, laser and resistive heating, and cryogenic cooling, has enabled investigations of the structural, vibrational, electronic, and magnetic properties of materials over a wide range of pressure-temperature conditions.
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用金刚石砧细胞进行x射线高压研究
压力深刻地改变了物质的所有状态。超高压金刚石砧胞的共生发育,将样品压缩到可持续的几兆巴压力;同步加速器x射线技术,在原位探测材料的性质,使探索丰富的高压(HP)科学成为可能。在本文中,我们首先介绍了金刚石砧细胞技术的基本概念,以及最近的发展和与其他极端环境的集成。然后,我们概述了HP同步加速器技术的最新发展、应用和当前存在的问题,然后讨论了HP在关键多学科领域中使用x射线的科学研究。这些HP研究包括:HP x射线发射光谱,提供HP样品的填充电子态信息;HP x射线拉曼光谱,用于探测轻元素HP化学键的变化;HP电子非弹性x射线散射光谱,研究高能电子现象,包括电子能带结构、费米表面、激子、等离子体及其色散;HP共振非弹性x射线散射光谱,用于探测浅核激发、多重结构和自旋分辨电子结构;HP核共振x射线光谱学,提供声子密度的状态和时间分辨Mössbauer信息;HP x射线成像,提供层次结构、动态过程和内部应变的信息;HP x射线衍射,用于确定单晶、多晶、纳米晶和非晶材料的基本结构和密度;HP径向x射线衍射,得到偏差、弹性和流变信息。将这些工具与静流体或单轴压力介质、激光和电阻加热以及低温冷却相结合,可以在广泛的压力-温度条件下研究材料的结构、振动、电子和磁性能。
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来源期刊
Reports on Progress in Physics
Reports on Progress in Physics 物理-物理:综合
CiteScore
31.90
自引率
0.00%
发文量
45
审稿时长
6-12 weeks
期刊介绍: Reports on Progress in Physics is a highly selective journal with a mission to publish ground-breaking new research and authoritative invited reviews of the highest quality and significance across all areas of physics and related areas. Articles must be essential reading for specialists, and likely to be of broader multidisciplinary interest with the expectation for long-term scientific impact and influence on the current state and/or future direction of a field.
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