Lecture on Introduction of Semiconductor at North South University as the undergraduate course (ETE411) ======================= Dr. Mashiur Rahman Assistant Professor Dept. of Electrical Engineering and Computer Science North South University, Dhaka, Bangladesh http://mashiur.biggani.org

1. Chapter 1 The Crystal Structure of Solids Lecture 2

3. SEMICONDUCTOR MATERIALS

5. TYPES OF SOLIDS Amorphous Polycrystalline Single Crystal Characterized by the size of an ordered region within the material. Ordered region is a spatial volume in which atoms or molecules have a regular geometric arrangement or periodicity.

9. Where p, q, and s are integers. Since the location of the origin is arbitrary, we will let p. q, and s be positive integers for simplicity.

10. Basic Crystal Structures

12. Exercise