Engineering Physics Chapter 7

Crystal Structures

This chapter is important for Engineering Physics exam preparation because it combines core crystallography theory with direct formula-based problems.

Why Study This Chapter

• useful for Miller indices, lattice parameters, and inter-planar spacing
• important for Bragg's law and crystal structure numericals
• helps in preparing NaCl structure, diamond structure, and packing factor questions

Topics Covered

• 7.1 Introduction
• 7.2 Space Lattice
• 7.2.1 Bravais Lattice
• 7.2.2 Unit Cell
• 7.2.3 Primitive Cell
• 7.2.4 Lattice Parameters
• 7.3 Crystal Systems
• 7.4 Direction and Planes in a Crystal
• 7.4.1 Directions in a Crystal
• 7.4.2 Planes in a Crystal and Miller Indices
• 7.4.3 Expression for Inter-planar Spacing
• 7.5 Co-ordination Number
• 7.6 Atomic Packing Factor
• 7.7 Bragg's Law
• Solved Problems
• Exercises

Related Study Links

• Open Full Engineering Physics Subject Note
• Go to Chapter 6: Optical Fibers and Superconductivity
• Go to Chapter 8: Material Science