Crystal Structure of Solids

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Presentation transcript:

Crystal Structure of Solids Types of Solids amorphous polycrystalline single crystal

Crystal Structure of Solids Basic crystal structures simple cubic body-centered face-centered

Crystal Structure of Solids Miller Indices Method Formed by taking the reciprocal of the intercept in the respective dimension Example 1 (1/3,1/2,1/1) or (236)

Crystal Structure of Solids Miller Indices Example 2 100 110 111

Crystal Structure of Solids Surface Density of Atoms in a Plane Method Divide number of atoms (making sure to divide by total planes contributed to) by area of plane Example Density = 2/(a1a121/2) Note: a1 is known as the lattice constant

Crystal Structure of Solids Diamond Structure of Silicon Tetrahedral structure

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