Fundamentals of Electronic Devices

Most of the substances exist in the form of clusters or aggregates of atoms. Atoms readily combine

together to form molecules. This process of combination, called chemical bonding. A chemical

bond may be defined as a force that holds together the constituent atoms in a molecule. The chemical

bonding involves the union of two or more atoms through redistribution of electrons in their outer orbits

either by the process of transference of electrons from one atom to another or by the process of sharing of

electrons amongst themselves so that all the atoms acquire the stable noble gas configuration of

minimum energy. A bonded state is more stable than an unbonded state. If the combination of atoms,

takes place by the transference of electrons from one atom to another, the bonding is said to be ionic

and if it takes place by the mutual sharing of electrons between the atoms concerned, the bonding is said

to be covalent. In 1916 Kossel and Lewis succeeded independently formulating a satisfactory theory which

was based on the electronic conception of the atom. Therefore, this theory was named as the electronic

theory of valency.

Chapter 1 : Semiconductor Materials and Crystal Structure

Chapter 2 : Bonding Forces and Charge Carriers

Chapter 3 : Excess Carriers in Semiconductors

Chapter 4 : Junction Properties

Chapter 5 : Field-Effect Transistors

Chapter 6 : Bipolar Junction Transistors

Chapter 7 : Optoelectronic Devices and Materials

Chapter 8 : Negative Conductance Microwave Devices

Chapter 9 : Four Layer Power Devices