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Related Concept Videos

Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

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.
UV–Vis Spectroscopy: Molecular Electronic Transitions01:16

UV–Vis Spectroscopy: Molecular Electronic Transitions

In Ultraviolet–Visible (UV–Vis) spectroscopy, the absorption of electromagnetic radiation is used to probe the electronic structure of molecules. This technique provides insights into molecular electronic transitions, particularly the movement of electrons between different molecular orbitals. Radiation is absorbed if the energy of the electromagnetic radiation passing through the molecule is precisely equal to the energy difference between the excited and ground states. During this process,...
Atomic Fluorescence Spectroscopy01:29

Atomic Fluorescence Spectroscopy

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 are...
Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

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...
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

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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Updated: Jun 4, 2026

Molecular Beam Mass Spectrometry With Tunable Vacuum Ultraviolet (VUV) Synchrotron Radiation
09:53

Molecular Beam Mass Spectrometry With Tunable Vacuum Ultraviolet (VUV) Synchrotron Radiation

Published on: October 30, 2012

Synchrotron Mössbauer spectroscopy using high-speed shutters.

T S Toellner1, E E Alp, T Graber

  • 1Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA. toellner@anl.gov

Journal of Synchrotron Radiation
|February 22, 2011
PubMed
Summary

A novel fast microshuttering technique enhances Mössbauer spectroscopy using synchrotron radiation, enabling higher signal rates and purer photon beams for advanced X-ray measurements.

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Published on: October 30, 2012

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Area of Science:

  • Physics
  • Materials Science
  • Spectroscopy

Background:

  • Mössbauer spectroscopy traditionally requires high-resolution monochromators.
  • Synchrotron radiation offers unique properties for spectroscopy but faces challenges with scattering.
  • Existing methods limit signal rates and spectral purity.

Purpose of the Study:

  • To demonstrate a new method for Mössbauer spectroscopy using synchrotron radiation.
  • To improve signal rates and spectral purity of Mössbauer photons.
  • To enable new X-ray measurement opportunities with ultra-high energy resolution.

Main Methods:

  • Implementation of a high-speed periodic shutter near the focal spot of a microfocused X-ray beam.
  • Operation without a high-resolution monochromator.
  • Utilizing synchrotron radiation for Mössbauer spectroscopy.

Main Results:

  • Successful demonstration of the fast microshuttering technique.
  • Achieved orders of magnitude suppression of unwanted electronic charge scattering.
  • Measurement results proving the principle of the method.
  • Potential for a very pure beam of Mössbauer photons (E/ΔE ≃ 10(12)) with unprecedented spectral brightness.

Conclusions:

  • The fast microshuttering technique is a viable method for Mössbauer spectroscopy with synchrotron radiation.
  • This technique significantly enhances signal rates and spectral purity.
  • It opens new avenues for high-resolution X-ray measurements and Mössbauer spectroscopy in the energy domain.