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X-ray investigation of hexagonal crystal structures / Debye-Scherrer powder method

X-ray investigation of hexagonal crystal structures / Debye-Scherrer powder method

Item no.: P2541501

Experiment Type: Teacher Experiment, Laboratory Experiment

Difficulty Expenditure of Time print
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Principle

A polycrystalline zirconium foil is irradiated with X-rays. The resulting Debye-Scherrer reflections are photographed and then evaluated.

Tasks

  1. Take Debye-Scherrer photographs of the zirconium sample.
  2. Evaluate the Debye-Scherrer rings and assign them to the corresponding lattice planes.
  3. Determine the lattice constants of the sample material.
  4. Determine the number of atoms in a unit cell of the sample.

What you can learn about

  • Crystal lattices
  • crystal systems
  • reciprocal lattice
  • Miller indices
  • structure amplitude
  • atomic form factor
  • Bragg scattering

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