Fundamentals of crystallography (GATE XE) — GATE Engineering Sciences…
Fundamentals of crystallography: Definitions of crystal, lattice and motif: Crystal=Lattice+Motif. Distinction between atoms and lattice points; Symmetry operations: Translations (required symmetry of crystals/lattices); Symmetry based definitions of 7 crystal systems; Unit cells: primitive and non-primitive cells; Fourteen Bravais lattices and their classification into crystal systems; Miller and Miller-Bravais indices of crystallographic planes and directions.
- Exam: GATE Engineering Sciences (XE)
- Section: XE2 Materials Science (35M, choose any two)