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Question A1
Explain briefly the difference between each of the following pairs of concepts in condensed matter
physics.
a) The lattice and the motif
b) The body-centred cubic and cesium chloride (CSCI) structures
c) The atomic form factors of a neutral Br atom and a Brion.
d) X-rays generated from a tube and from a synchrotron source
e) The Einstein and Debye models of heat capacity

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