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Monochromatisation of copper X-rays

Monochromatisation of copper X-rays

Item no.: P2540601
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Principle

The X-rays that are generated by an X-ray tube are polychromatic. Numerous experiments (e.g. Debye-Scherrer experiments concerning crystal structures), however, require monochromatic X-radiation, which can be generated by filtering the X-rays with monocrystals or with the aid of metal foils.

Tasks

  1. Record the intensity of the X-rays emitted by the copper anode as a function of the Bragg angle, using a LiF monocrystal as analyzer. The energy values of the characteristic copper lines are to be calculated.
  2. Use the LiF monocrystal to filter out a characteristic line and record the appertaining monochromatization graphically.
  3. Record  the intensity of the X-rays emitted by the copper anode as a function of the Bragg angle, using a LiF monocrystal as analyzer and a nickel filter.

What you can learn about

  • Bremsstrahlung
  • characteristic radiation
  • energy levels
  • absorption
  • absorption edges
  • interference
  • diffraction
  • Bragg scattering.

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