Long-range periodic arrangement of atoms/ions in a solid described by a Bravais lattice plus a basis. The 14 Bravais lattices span 7 crystal systems (cubic, tetragonal, orthorhombic, hexagonal, trigonal, monoclinic, triclinic).
Crystal structure
Related concepts
- Unit cell
- Crystal defect
- Amorphous solid
- Phonon
- X-ray diffraction pattern
- Sodium chloride (NaCl)
- Piezoelectric material
- X-ray diffraction pattern
- X-ray diffraction pattern
- Ceramic materials
- Quasicrystals (Shechtman)
- Hume–Rothery solubility rules
- Composite rule of mixtures
- High-entropy alloys (HEAs)
- Zeolites & molecular sieves
- Surface reconstruction
- Bragg diffraction: n λ = 2 d sin θ (Bragg & Bragg 1913)
- Madelung sum: M = Σ_shells (±n_k / r_k) for ionic-solid cohesive energy
- Born-Haber cycle: Hess's law applied to ionic-solid formation enthalpies
- Bragg: n=1, λ=d ⇒ sin θ = 1/2, θ = π/6 (canonical first-order reflection)