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Related Concept Videos

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).
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....
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Atomic Emission Spectroscopy: Overview01:20

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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: Interference01:30

Atomic Emission Spectroscopy: Interference

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In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
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Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

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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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X-ray Imaging01:24

X-ray Imaging

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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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X-ray Diffraction of Biological Samples

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X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
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Related Experiment Video

Updated: Mar 24, 2026

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

Yuri Shvyd'ko1

  • 1Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA.

Physical Review Letters
|March 12, 2016
PubMed
Summary

X-ray echo spectroscopy offers a novel approach to inelastic x-ray scattering (IXS) with significantly enhanced spectral resolution and signal strength. This new technique overcomes limitations of traditional IXS methods, enabling detailed material analysis.

Area of Science:

  • Physics
  • Materials Science
  • Spectroscopy

Background:

  • Traditional inelastic x-ray scattering (IXS) faces limitations in spectral resolution and signal intensity.
  • Existing IXS probes often struggle with weak signals and insufficient resolution for detailed analysis.

Purpose of the Study:

  • Introduce X-ray echo spectroscopy as a superior alternative to traditional IXS.
  • Overcome the spectral resolution and weak signal limitations inherent in current IXS techniques.

Main Methods:

  • Utilizes a time-reversal dispersing system to refocus a defocused x-ray beam into an echo.
  • Employs Bragg diffracting crystals to disperse and refocus the x-ray beam.
  • The spatial distribution of the echo maps the inelastic scattering spectrum.

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Rapid Scan Electron Paramagnetic Resonance Opens New Avenues for Imaging Physiologically Important Parameters In Vivo
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Main Results:

  • Achieves ultrahigh spectral resolution (0.1-0.02 meV) with resolving power exceeding 10^8.
  • Demonstrates a signal enhancement of over 10^3 compared to conventional methods.
  • The spectral resolution is independent of x-ray monochromaticity, ensuring strong signals.

Conclusions:

  • X-ray echo spectroscopy provides a powerful new tool for high-resolution IXS.
  • The technique is versatile and applicable across various photon frequency domains.
  • Enables advanced material characterization through detailed inelastic scattering spectrum mapping.