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Chemistry LibreTexts

6: Solids

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  • Page ID
    83470
  • Closest Packed Structures. Unit cell, hexagonal, cubic and body-centred packing of spheres, NaCl, CsCl, CaF2, ZnS, SiO2  polymorphism in metals, alloys, bonding in metals and semiconductors, band theory, ionic lattices. Defects in lattices, electrical conductivity in ionic solids, colour pigments, chemical vapour deposition to form silicon for semiconductors. Supplementary material: Manufacture of integrated circuits, photovoltaic cells and light emitting diodes.

    Notes: We do not deal with hexagonal closest packing. Cubic closest packing is the same as a face centered cubic structure.