X-ray Diffraction: Smallest Angle of Scattering

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SUMMARY

The discussion centers on calculating the smallest angle of scattering for a simple cubic crystal with a lattice constant of 2.83 x 10-10 m, using X-rays of wavelength 1.54 x 10-10 m. The relevant equation is 2dsinθ = nλ, where the smallest angle corresponds to the largest value of d, specifically d100 = a for cubic crystals. The calculated smallest angle of scattering is definitively 15.8 degrees.

PREREQUISITES
  • Understanding of Bragg's Law in X-ray diffraction
  • Familiarity with cubic crystal structures
  • Knowledge of lattice constants and their significance
  • Basic trigonometry for angle calculations
NEXT STEPS
  • Study Bragg's Law in detail, focusing on its applications in X-ray diffraction
  • Explore the properties of simple cubic crystals and their lattice structures
  • Learn about the significance of Miller indices in crystallography
  • Investigate advanced X-ray diffraction techniques and their applications in material science
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Students in materials science, physicists studying crystallography, and researchers involved in X-ray diffraction analysis will benefit from this discussion.

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Homework Statement



A powdered sample of a simle cubic crystal with a lattice constat of 2.83 x 10^-10 m scatters X-rays of wavelength 1.54 x 10^-10 m. What is the smallest angle of scattering that will be observed from this sample?

Homework Equations



2dsinθ = nλ


The Attempt at a Solution



I simply used the equation above to calculate θ, but I wasn't sure what they mean by smallest angle of scattering what's this?


Thanks.
 
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Is it 15.8 degrees?
 
The smallest angle corresponds to the largest value of d.
For cubic crystal this is d100=a.
 

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