X-FAST:一个多功能,高通量和用户友好的XUV女秒吸收光谱桌面仪器
Ryan Ash1, Zain Abhari1, Roberta Candela1
1Department of Physics, University of Wisconsin Madison, 1150 University Ave., Madison, Wisconsin 53706, USA.
The Review of scientific instruments
|July 18, 2023
概括
研究人员开发了用于超快光谱的X-FAST仪器. 它使用极端紫外线脉冲和一种新的冷却系统研究热敏薄膜.
科学领域:
- 超快速光谱法 超快速光谱法
- 材料科学是一种材料科学.
- 物理化学 物理化学
背景情况:
- 暂时吸收光谱需要先进的光源.
- 研究热敏材料需要专门的样本环境.
- 高波生成是产生极端紫外线 (XUV) 光的关键技术.
研究的目的:
- 介绍一下X-FAST (XUV五秒吸收光谱桌面) 仪器.
- 详细介绍其用于超快速光谱研究的能力.
- 在研究激光诱导相位过渡时展示其应用.
主要方法:
- 使用高波生成产生 femtosecond XUV脉冲 (40-72 eV).
- 使用光学脉冲进行短暂吸收测量.
- 实施气冷样品细胞用于热敏感薄膜.
主要成果:
- 提供了X-FAST仪器规格 (光学,真空,数据采集,冷却).
- 性能指标证明了系统的能力.
- 在Ni2MnGaHeusler薄膜中成功研究了超快激光诱导的相位过渡.
结论:
- X-FAST仪器是用于超快光谱的多功能桌面系统.
- 它的设计有助于研究热敏薄膜的动态.
- 该仪器可以详细研究材料中的短暂现象.
相关概念视频
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
258
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
258
UV–Vis Spectrometers
1.4K
The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
1.4K
Atomic Absorption Spectroscopy: Instrumentation
802
An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
The atomizer used in AAS can be either a flame atomizer or an...
The atomizer used in AAS can be either a flame atomizer or an...
802
Atomic Emission Spectroscopy: Instrumentation
536
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
536
Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview
2.8K
Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material, molecules absorb light depending on the energy required for...
2.8K
Atomic Fluorescence Spectroscopy
445
Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being excited by electromagnetic (EM) radiation. When these atoms absorb energy, they become excited and subsequently release energy as they return to their original state. This emitted light, or "fluorescence," is observed at a right angle to the incident beam. Both absorption and emission processes transpire at distinct wavelengths, which...
445


