Number of Lattice Points (Atoms) per Unit Cell  Practical Electron Microscopy and Database   An Online Book  

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This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.  
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The number of the lattice points per unit cell in 2D lattices can be given by,
Figure 3032a. Lattice points inside the unit cell and at the corners in 2D lattices. On the other hand, the number of the lattice points per unit cell in 3D lattices can be given by,
Figure 3032b. Lattice points inside the unit cell and at the corners in 3D lattices. Table 3032a lists the number of the lattice points per unit cell of some structures. Table 3032a. The number of the lattice points per unit cell of some structures.
Many simple crystals only have an atom per lattice point, for instance, listed in Table 3032b. Therefore, the number of atoms per unit cell equals the number of lattice points per unit cell. Table 3032b. The number of the atoms per unit cell of some structures.


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