软x射线光谱学用真空兼容亚微米液体平面喷射装置。

IF 1.7 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION

Review of Scientific Instruments Pub Date : 2025-09-01 DOI:10.1063/5.0271492

Takashige Fujiwara, Katsumi Midorikawa

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引用次数: 0

摘要

我们开发了一种真空兼容的液体平面喷射装置，可为软x射线光谱提供稳定的亚微米片材。可互换的PEEKsil微射流（φ 25-100 μm）碰撞形成叶片状射流，在~ 0.1 Pa下可重复运行超过6小时。步进电机驱动的高性能液相色谱泵，走走停停的流量控制和防结冰撇油器/捕集器可以快速重新启动，而无需排气真空。光谱干涉测量证实了0.7 μm （φ 25 μm）和1-2 μm（标准φ 50 μm设置）的射流厚度。该装置的开放式设计简化了对准，并支持传输和掠入射反射模式。该仪器为超快液相光谱和表面敏感测量提供了一个强大的，用户友好的平台。

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Vacuum-compatible sub-micrometer liquid flat-jet apparatus for soft x-ray spectroscopy.

We have developed a vacuum-compatible liquid flat-jet apparatus that delivers stable, sub-micrometer sheets for soft-x-ray spectroscopy. Interchangeable PEEKsil microjets (ϕ 25-100 μm) collide to form a leaf-like jet that runs reproducibly for more than 6 h at ∼0.1 Pa. A stepper-motor-driven high-performance liquid chromatography pump, stop-and-go flow control, and anti-icing skimmer/catcher enable rapid restart without venting the vacuum. Spectral interferometry confirms jet thicknesses of 0.7 μm (ϕ 25 μm) and 1-2 μm for the standard ϕ 50 μm setup. The open design of the apparatus simplifies alignment and supports both transmission and grazing-incidence reflection modes. This apparatus provides a robust, user-friendly platform for ultrafast liquid-phase spectroscopy and surface-sensitive measurements.

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来源期刊

Review of Scientific Instruments 工程技术-物理：应用

CiteScore

3.00

自引率

12.50%

发文量

758

审稿时长

2.6 months

期刊介绍： Review of Scientific Instruments, is committed to the publication of advances in scientific instruments, apparatuses, and techniques. RSI seeks to meet the needs of engineers and scientists in physics, chemistry, and the life sciences.