The above figure shows the effect of thermal annealing on the X-ray diffraction pattern of a sample
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Question:
The above figure shows the effect of thermal annealing on the X-ray diffraction pattern of a sample of rutile (titanium dioxide) powder. Rutile has a tetragonal structure in space group P42/mnm. The Miller indices of the four reflections are indicated.
(a) What is the most likely cause of the changes in the appearance of the X-ray diffraction pattern upon thermal annealing?
(b) What possible conclusions can be drawn from the observation that the half widths of the (130) and (031) reflections of the unannealed sample are different?
Related Book For
Materials Science and Engineering An Introduction
ISBN: 978-0470419977
8th edition
Authors: William D. Callister Jr., David G. Rethwisch
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