997SM - FISICA DELLA MATERIA CONDENSATA I 2024, Sezione: 3. Lattice and crystalline structures (9, 14, 16, 21 (1h), 23 (1h), 28 (1h) Oct. 2024)

Introduction to lattice structures: Bravais lattices and crystalline structures in real space. Lattices with basis (generalities; examples about the conventional cells of the cubic lattices; other relevant examples: diamond, graphene, graphite). Packing fraction.

Other examples of Bravais lattices with basis: zincblende, rocksalt, wurzite (one slide). Wigner-Seitz cells.

Reciprocal lattices. Families of lattice planes. Miller indices.

Brillouin zone.

X-ray diffraction: Bragg and von Laue. Structure factor.

[Ashcroft & Mermin, Ch. 4, 5, 6]

Schema della sezione