Determine the lattice vectors a, b and c of the primitive unit cell for the face-centred cubic lattice in terms of cartesian unit vectors i, j and k. assume the cube has side length a. (b) prove that the cell bounded by your vectors is a primitive cell. (c) assume that there is a single spherical atom at each lattice point of the foc lattice, and that these atoms pack the volume as densely as possible (close-packed). determine the fraction of volume that is occupied by "atoms” in this structure. (note, this is called the packing fraction.)
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Physics, 22.06.2019 19:30
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Physics, 23.06.2019 06:00
2) the sun is wonderful source of energy. it is renewable and natural with few dangers. solar cells rely on the sun for energy. these cells would be more practical to use if they were
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Determine the lattice vectors a, b and c of the primitive unit cell for the face-centred cubic latti...
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