• Book Name: Electronic Properties of Materials – An Introduction for Engineers by Rolf E. Hummel
• Author: Rolf E. Hummel
• Pages: 323
• Size: 3 MB

Electronic Properties of Materials PDF

The present book on electrical, optical, magnetic and thermal properties of materials is in many aspects different from other introductory texts in solid state physics. First of all, this book is written for engineers, particularly materials and electrical engineers who want to gain a fundamental understanding of semiconductor devices, magnetic materials, lasers, alloys, etc.

Second, it stresses concepts rather than mathematical formalism, which should make the presentation relatively easy to understand. Thus, this book provides a thorough preparation for advanced texts, monographs, or specialized journal articles. Third, this book is not an encyclopedia. The selection of topics is restricted to material which is considered to be essential and which can be covered in a 15-week semester course. For those professors who want to teach a two-semester course, supplemental topics can be found which deepen the understanding. (These sections are marked by an asterisk [*].)

Fourth, the present text leaves the teaching of crystallography, X-ray diffraction, diffusion, lattice defects, etc., to those courses which specialize in these subjects. As a rule, engineering students learn this material at the beginning of their upper division curriculum. The reader is, however, reminded of some of these topics whenever the need arises. Fifth, this book is distinctly divided into five self-contained parts which may be read independently. All are based on the first part, entitled “Fundamentals of Electron Theory,” because the electron theory of materials is a basic tool with which most material properties can be understood. The modern electron theory of solids is relatively involved. It is, however, not my intent to train a student to become proficient in the entire field of quantum theory. This should be left to more specialized texts.

Electronic Properties of Materials PDF

Instead, the essential quantum mechanical concepts are introduced only to the extent to which they are needed for the understanding of materials science. Sixth, plenty of practical applications are presented in the text, as well as in the problem sections, so that the students may gain an understanding of many devices that are used every day. In other words, I tried to bridge the gap between physics and engineering. Finally, I gave the treatment of the optical properties of materials about equal coverage to that of the electrical properties. This is partly due to my personal inclinations and partly because it is felt that a more detailed description of the optical properties is needed since most other texts on solid state physics devote relatively little space on this topic.

It should be kept in mind that the optical properties have gained an increasing amount of attention in recent years because of their potential application in communication devices as well as their contributions to the understanding of the electronic structure of materials.

The philosophy and the substance of the present text emerged from lecture notes which I accumulated during more than twenty years of teaching. A preliminary version of Parts l and II appeared several years ago in the Journal of Educational Modules for Materials Science and Engineering (4, 1 (1982) and 4, 781 (1982)).

I sincerely hope that the students who read and work with this book will enjoy as much as I the journey through the fascinating field of the physical properties of materials.

Each work benefits greatly from the interaction between author and co 1- leagues or students. I am grateful in particular to Professor R.T. Delloff, who read the entire manuscript and who helped with his inquisitive mind to clarify many points in the presentation. Professor Ken Watson read the part dealing with magnetism and made many helpful suggestions. Other colleagues to whom I am indebted are Professor Fred Lindholm, Professor Terry Orlando, and Dr. Siegfried Hofmann. My daughter, Sirka Hummel, contributed with her skills as an artist. Last, but not least, I am obliged to my family, to faculty, and to the chairman of the Department of Materials Science and Engineering at the University of Florida for providing the harmonious atmosphere which is of utmost necessity for being creative.

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