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Related Concept Videos

Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

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Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
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Atomic Emission Spectroscopy: Lab01:29

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AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
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Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

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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.
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Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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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).
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Atomic Spectroscopy: Absorption, Emission, and Fluorescence01:23

Atomic Spectroscopy: Absorption, Emission, and Fluorescence

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Atomic spectroscopy is a vital tool in elemental analysis, both qualitatively and quantitatively. It can be broadly divided into optical spectroscopy, mass spectroscopy, and X-ray spectroscopy methods. The optical spectroscopic methods are atomic absorption spectroscopy (AAS), atomic emission spectroscopy (AES), and atomic fluorescence spectroscopy (AFS). The first step in all three methods is atomization, where the solid, liquid, or solution-phase samples are converted into gas-phase atoms and...
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Scanning Electron Microscopy01:07

Scanning Electron Microscopy

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A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
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Updated: Jun 28, 2025

Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
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Stimulated X-ray emission spectroscopy.

Uwe Bergmann1

  • 1Department of Physics, University of Wisconsin-Madison, Madison, WI, USA. ubergmann@wisc.edu.

Photosynthesis Research
|April 15, 2024
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Summary
This summary is machine-generated.

Stimulated X-ray emission spectroscopy (S-XES) offers new insights into electronic structures. This technique, enabled by X-ray free-electron lasers (XFELs), could advance ultrafast X-ray sources.

Keywords:
ManganeseStimulated X-ray emission ּּּ Electronic structureX-ray free-electron laserX-ray laserX-ray spectroscopy

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Area of Science:

  • Atomic and Molecular Physics
  • Materials Science
  • Spectroscopy

Background:

  • Characterizing electronic structure is crucial for understanding materials.
  • Existing spectroscopy techniques have limitations in probing certain systems.
  • Ultrafast X-ray sources are essential for advanced material analysis.

Purpose of the Study:

  • To introduce and describe stimulated X-ray emission spectroscopy (S-XES).
  • To highlight the potential of S-XES for electronic structure characterization.
  • To explore the application of S-XES in dilute systems.

Main Methods:

  • Utilizing X-ray free-electron lasers (XFELs) for intense femtosecond X-ray pulses.
  • Generating population inversion of core-hole excited states.
  • Observing stimulated X-ray emission.

Main Results:

  • S-XES provides spectral information currently not reachable by other methods.
  • The technique is feasible for dilute systems, such as the Mn4Ca cluster in photosystem II.
  • Potential for developing advanced ultrafast X-ray sources.

Conclusions:

  • S-XES is a powerful emerging technique for electronic structure analysis.
  • XFELs are key enablers for S-XES.
  • S-XES has broad applications in chemistry, physics, and biology.