Chapter 1 - Electron Theory PDF
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Uploaded by UnconditionalTropicalIsland8308
Politeknik Ungku Omar
Ts.Mohamad Azhar bin Hj.Saidin
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Summary
This document provides an overview of electron theory, with a specific focus on semiconductors and atomic structures. It details various aspects such as atomic structures, covalent bonding, and energy bands.
Full Transcript
DKM30152 CHAPTER 1 ELECTRON THEORY By Ts.Mohamad Azhar bin Hj.Saidin Introduction to Semiconductor - Chapter Outline : 1.1 Atomic Structures 1.2 Semiconductors, Conductors, and Insulators 1.3 Covalent Bonds 1.4 Conduction in Semiconductor 1.5 N-Type and P-Type...
DKM30152 CHAPTER 1 ELECTRON THEORY By Ts.Mohamad Azhar bin Hj.Saidin Introduction to Semiconductor - Chapter Outline : 1.1 Atomic Structures 1.2 Semiconductors, Conductors, and Insulators 1.3 Covalent Bonds 1.4 Conduction in Semiconductor 1.5 N-Type and P-Type Semiconductor 1.6 The Diode 1.7 Biasing the Diode 1.8 Voltage Current Characteristic of a Diode 1.9 Diode Models 1.10 Testing a Diode Introduction to Semiconductor - Chapter Objectives : Discuss basic operation of a diode Discuss the basic structure of atoms Discuss properties of insulators, conductors and semiconductors Discuss covalent bonding Describe the properties of both p and n type materials Discuss both forward and reverse biasing of a p-n junction 1.1 Atomic Structures History of Semiconductor 1.1 Atomic Structures Atomic number basic structure Electron shells ATOM Valence electron Free electron ionization 1.1 Atomic Structures smallest particle of an element contain 3 basic particles: Protons Neutrons (positive charge) (uncharged) Nucleus Electrons (core of atom) (negative charge) ATOM 1.1 Atomic Structures Atomic Number Element in periodic table are arranged according to atomic number Atomic number = number of protons in nucleus 1.1 Atomic Structures Electron Shells and Orbits - In an atom, the orbits are group into energy bands – shells - Diff. in energy level within a shell