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Theory

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Procedure

Simulation

Posttest

References

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Determination of Precise Lattice Parameter of FCC and BCC phases using X-ray diffraction

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1) Wavelength of Cu Kα is:?

a: 1.5406 Å Explanation

Explanation

b: 2.5406 Å Explanation

Explanation

c: 3.5406 Å Explanation

Explanation

d: 4.5406 Å Explanation

Explanation

2) The Nelson-Riley function is used for :

a: Peak shape analysis Explanation

Explanation

b: Correcting systematic errors in lattice parameter determination Explanation

Explanation

c: Identifying amorphous phases Explanation

Explanation

d: Calculating crystallite size Explanation

Explanation

3) The precise determination of lattice parameters requires :

a: Low-resolution diffraction data° Explanation

Explanation

b: High-resolution diffraction data and peak fitting techniques Explanation

Explanation

c: Ignoring instrumental corrections Explanation

Explanation

d: Using only the strongest diffraction peaks Explanation

Explanation

4) When determining lattice parameters from powder diffraction, which step improves accuracy?

a: Using a wide range of diffraction angles and applying extrapolation methods Explanation

Explanation

b: Using only low-angle peaks for calculations Explanation

Explanation

c: Ignoring systematic errors Explanation

Explanation

d: Using unindexed peaks in the diffraction pattern Explanation

Explanation

5) Using a wide range of diffraction angles and applying extrapolation methods?

a: Sample displacement in the diffractometer Explanation

Explanation

b: Instrumental broadening Explanation

Explanation

c: Thermal expansion of the sample Explanation

Explanation

d: All of the above Explanation

Explanation

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