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Unformatted text preview: plane of the bcc crystal structure and c) the (0001) plane of the hcp crystal structure. PROBLEM 8: An unknown cubic crystalline substance has been subjected to an X-ray diffraction experiment, using radiation of wavelength 1.54 Å. The following data has been obtained. Diffraction Peak Diffraction Angle, 2 θ #1 43.8 #2 50.8 #3 74.4 #4 90.4 Assuming that i) the order of reflection (n) is 1 for all diffraction peaks, independent of the h,k,l indices of the planes. ii) the lattice parameter is 3.5801 Å determine a) The h,k,l indices for each diffraction peak. b) Whether the crystal structure of this material is fcc or bcc....
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- Spring '08
- MEYERS
- diffraction peak, hexagonal crystal structure
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