(d) Describe how X-ray diffraction (XRD) is used to detect and quantify the degree of crystallinity in materials. [3 marks]
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X-ray diffraction (XRD) is a technique that utilizes X-rays to investigate the crystal structure of materials. Show more…
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(a) In an X-ray diffraction experiment, what causes the diffraction of the electromagnetic radiation? (b) Explain why X-ray diffraction results give a value of $103 \mathrm{pm}$ for the length of a localized 2 -centre 2-electron terminal B-H bond in the $\left[\mathrm{B}_{2} \mathrm{H}_{7}\right]^{-}$ ion (4.25) while the same bond is found to be $118 \mathrm{pm}$ in length from the results of a neutron diffraction experiment.
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