斜压锡的x射线衍射测量

IF 1.6 3区物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS High Energy Density Physics Pub Date : 2022-06-01 DOI:10.1016/j.hedp.2022.100996

EKR Floyd, JM Foster, P Graham, SD Rothman, DR McGonegle, R Penman, JG Turner

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引用次数: 0

摘要

x射线衍射测量已经在猎户座激光设备的锡斜坡上进行了压缩，压力范围在50 - 100 GPa之间。沿锡试样绝热线推断的密度与应力的关系与以往的流体静力学和准等熵数据一致，且锡在该压力区存在BCC相。在实验技术的限制下，我们在压缩锡样品中没有检测到应变的各向异性。

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X-ray diffraction measurements of ramp-compressed tin

X-ray diffraction measurements have been performed on tin ramp compressed at the Orion laser facility to pressures in the range 50 – 100 GPa. The relationship between density and stress that we infer along the adiabat of the tin sample is consistent with previous hydrostatic and quasi-isentropic data and the existence of the BCC phase of tin in this pressure region. Within the limitations of the experimental technique, we detect no anisotropy of strain in the compressed tin sample.

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来源期刊

High Energy Density Physics PHYSICS, FLUIDS & PLASMAS-

CiteScore

4.20

自引率

6.20%

发文量

审稿时长

6-12 weeks

期刊介绍： High Energy Density Physics is an international journal covering original experimental and related theoretical work studying the physics of matter and radiation under extreme conditions. ''High energy density'' is understood to be an energy density exceeding about 1011 J/m3. The editors and the publisher are committed to provide this fast-growing community with a dedicated high quality channel to distribute their original findings. Papers suitable for publication in this journal cover topics in both the warm and hot dense matter regimes, such as laboratory studies relevant to non-LTE kinetics at extreme conditions, planetary interiors, astrophysical phenomena, inertial fusion and includes studies of, for example, material properties and both stable and unstable hydrodynamics. Developments in associated theoretical areas, for example the modelling of strongly coupled, partially degenerate and relativistic plasmas, are also covered.