These slides help out the student to know about the crystal structure of different types . which help them to understand how the basics concepts are related to each other.

3. Name:
Muhammad Anas
ROLL NO:
633891/56
SUBJECT:
Solid State Physics
Class:
BS Physics 7th sem evening
Presented to:
Sir Junaid

4. Topic:
Diamond cubic crystal
structure

5. Types of Cubical
Structures
 Simple Cubic Crystal
 Body Centred Cubic Structure (BCC)
 Face Centred Cubic Structure (FCC)

6. Simple Cubic Structure
 Coordination Number = 6
 Lattice Constant = a=2r
 Number of atoms per unit cell = 1
 Atomic packing Factor =52%

12. FACE CENTRED CUBIc STRUCTURE

18. DIAMOND STRUCTURE

25. Properties of Diamond
 Electrically neutral
 High band gap
 Covalently bonded
 Very hard in nature
 Non Bravias Lattice
 Occurs in both cubic and hexagonal
 Non primitive cell