Virtual Labs

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Observation and interpretation of defect structure in cold rolled aluminium, copper and zinc

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The distance between diffraction spots in a SADP is inversely related to:

a: The wavelength of the incident electron beam Explanation

Explanation

b: The atomic number of the elements in the sample Explanation

Explanation

c: The real-space lattice spacing of the crystal Explanation

Explanation

d: The aperture size used in the TEM Explanation

Explanation

What does the presence of concentric rings in a SADP indicate?

a: A single crystalline structure Explanation

Explanation

b: An amorphous material Explanation

Explanation

c: A polycrystalline material Explanation

Explanation

d: A non-crystalline structure Explanation

Explanation

Which of the following statements is true about the effect of dislocations on TEM SADP?

a: Dislocations lead to the broadening of diffraction spots. Explanation

Explanation

b: Dislocations result in the formation of ring patterns. Explanation

Explanation

c: Dislocations do not affect the SADP. Explanation

Explanation

d: Dislocations cause spot splitting in the SADP. Explanation

Explanation

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