Synchrotron Radiation Test

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Synchrotron Radiation Test

Synchrotron radiation is the electromagnetic radiation emitted by charged particles with a speed close to the speed of light when they move along an arc-shaped orbit in a magnetic field. It is called "synchrotron radiation" or "synchrotron radiation". Synchrotron radiation is a pulsed light source with excellent performance such as continuous spectrum from far infrared to X-ray, high intensity, high collimation, high polarization, and precise control of characteristics. It can be used to carry out many scientific researches that other light sources cannot achieve.

The application of synchrotron radiation in materials science is very extensive, mainly in the following aspects:

  1. Synchrotron radiation X-ray photoelectron spectroscopy (PES)
  2. It can analyze the element and valence state, and determine the energy band dispersion relationship.

  3. Spin-resolved photoelectron energy spectrum
  4. It not only can analyze the emission angle and energy of photoelectrons, but also can study the spin state of ferromagnet valence state. As a source of spin-polarized electrons, it studies the phase transition and surface magnetization of magnetism.

  5. Synchrotron radiation X-ray absorption spectrum
  6. It can directly provide information on the energy band structure of the unoccupied state of electrons in a solid, as well as electronic structure information such as electron orbit hybridization, charge transfer, electron orbit and spin interaction.

  7. Small-angle scattering of synchrotron X-rays
  8. It can detect the fluctuation of electron density in the sample, and study the size, shape and distribution of defects and particles in the sample.

  9. Synchrotron radiation X-ray reflection
  10. It is a good tool for non-destructive study of thin films. Based on the total reflection of the surface and the interface, the following information can be obtained: the electron density depth profile of the sample surface, the thickness of the film, the roughness of the surface and the interface, the single-layer film, and the multiple Information such as the density of the layer film. It can be applied to amorphous, crystalline and liquid. Using a stronger synchronous light source, better experimental data can be obtained.

  11. Synchrotron radiation XRD and grazing incidence diffraction
  12. Utilizing extraordinary characteristics such as high brightness and small divergence, it can do many XRD tasks that conventional X-ray diffractometers cannot do. It has important applications for studying the nucleation and growth mechanism of some nanocrystals, and the phase transition process of materials .

  13. Analysis of synchrotron X-ray topography
  14. Using the dynamic principle of X-ray propagation and diffraction in the crystal, according to the diffraction contrast change and extinction law of the perfect part and the imperfect part of the crystal, the crystal microstructure defects are studied. It can visually make non-destructive overall internal observation of larger crystals and their devices.

  15. Synchrotron radiation X-ray fluorescence analysis
  16. It can be used to identify trace elements.

Matexcel can provide you with synchrotron radiation testing services, please tell us your needs in detail, and we will customize a personalized test plan for you.

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