Comparison of Interstitial Sites in the Metallic Lattices

The number of the interstitial sites and their radius r relative to the atomic radius R for the three lattice systems are given in Table 4.1. Even though the bcc lattice seems more open 

Structure Atoms per Unit Cell Number of Tetrahedral Sites Tetrahedral Sites r/R Number of Octahedral Sites Octahedral Sites r/R 

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