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Ultrasonic Methods in Solid State Physics is devoted to studies of energy loss and velocity of ultrasonic waves which have a bearing on present-day problems in solid-state physics. The discussion is particularly concerned with the type of investigation that can be carried out in the megacycle range of frequencies from a few megacycles to kilomegacycles; it deals almost entirely with short-duration pulse methods rather than with standing-wave methods. The book opens with a chapter on a classical treatment of wave propagation in solids. This is followed by separate chapters on methods and techniques of ultrasonic pulse echo measurements, and the physics of ultrasonically measurable properties of solids. It is hoped that this book will provide the reader with the special background necessary to read critically the many research papers and special articles concerned with the use of ultrasonic methods in solid state physics. The book is intended to help the person beginning work in this field. At the same time, it will also be useful to those actively involved in such work. An attempt has been made to provide a fairly general and unified treatment suitable for graduate students and others without extensive experience.

Quantum Theory of the Solid State, Part A, describes the concepts and methods, and introduces some of the central problems of the quantum theory of solids. This work is intended to be a single intellectual unit, although for reasons of convenience it has been divided into two parts. Part A contains much of the formalism required for the theoretical study of solids; Part B is oriented toward more specific problems. The present volume includes phenomenological treatments of lattice vibrations and magnetic order; a discussion of symmetry groups; and a description of the properties of one-electron wave functions and the principal techniques for calculating energy levels. Fairly lengthy bibliographies have been included at the end of each chapter to assist readers in making their way through the more specialized periodical literature. This book should be suitable as a textbook for students who have completed a one-year course in quantum mechanics and have some familiarity with the experimental facts of solid state physics. It should also be useful as a reference work.

Solid State Physics, Part B

Solid State Physics

Solid State Physics, Part A

Theoretical Solid State Physics, Volume 1 focuses on the study of solid state physics. The volume first takes a look at the basic concepts and structures of solid state physics, including potential energies of solids, concept and classification of solids, and crystal structure. The book then explains single-electron approximation wherein the methods for calculating energy bands; electron in the field of crystal atoms; laws of motion of the electrons in solids; and electron statistics are discussed. The text describes general forms of solutions and relationships, including collective electron interactions, Hartree-Fock and Heitler-London methods, and electron-electron scattering. The volume also reviews the magnetic properties of solids. Paramagnetism and diamagnetism of free electrons, solids, and atoms; behavior of electrons in a magnetic field; and basic concepts of magnetism are discussed. The book also considers the dielectric properties of solids and dynamics of crystal lattices. The volume is a dependable source of data for readers interested in solid state physics.

Principles of Solid State Physics presents a unified treatment of the basic models used to describe the solid state phenomena. This book is divided into three parts. Part I considers mechanical or geometrical properties that are describable by a lattice of mass points. What happens if the electric charge and magnetic moment are to be associated with the lattice points is explained in Part II. Part III discusses the application of the band theory and imperfections in solids. This publication is recommended for a one-semester senior course in solid state physics for students majoring in physics, chemistry, and electrical engineering.

Theoretical Solid State Physics, Volume 2 deals with the electron-lattice interaction and the effect of lattice imperfections. Conductivity, semiconductors, and luminescence are discussed, with emphasis on the basic physical problems and the various phenomena derived from them. The theoretical basis of interaction between electrons and lattices is considered, along with basic concepts of conduction theory, scattering of electrons by imperfections, and radiationless transitions. This volume is comprised of 19 chapters and begins with an overview of the coupling of electrons and the crystal lattice in a solid, followed by a discussion on the conduction phenomena. The reader is then introduced to defects in the crystal lattice and their effects on the distribution and energy spectrum of the electrons as well as the frequency spectrum of the lattice vibrations. Subsequent chapters focus on semiconductors and their conductivity, thermoelectric effects, and effects in a magnetic field; radiative processes; and radiationless transitions. This book will be of interest to physicists and students of solid state physics.

Physical Acoustics: Principles and Methods, Volume IV, Part A: Applications to Quantum and Solid State Physics provides an introduction for the various applications of quantum mechanics to acoustics by describing several processes for which such considerations are essential. This book explores the magnetic fields applied to metals in the normal state, which have the effect of localizing the interaction between the acoustic waves and the electrons to specific parts of the Fermi surface. Organized into nine chapters, this volume starts with an overview of the transmission of sound waves in semiconducting crystals that are piezoelectric. This text then examines the reactions of nonpiezoelectric semiconductors with electrons through the deformation potential that changes the shape of the Fermi surface. Other chapters consider the amplification of acoustic waves in semiconductors by the application of an electric field. The final chapter examines how measurements can delineate the Fermi surface of monovalent metals. Physicists and engineers will find this book useful.

Solid State Phenomena explores the fundamentals of the structure and their influence on the properties of solids. This book is composed of five chapters that focus on the electrical and thermal conductivities of crystalline solids. Chapter 1 describes the nature of solids, particularly metals and crystalline materials. This chapter also presents a model to evaluate crystal structure, the forces between atom pairs, and the mechanism of plastic and elastic deformation. Chapter 2 demonstrates random vibrations of atoms in a solid using a one-dimensional array, while Chapter 3 examines the resistance of tungsten under various temperatures and measures its temperature coefficient of resistance. Chapter 4 surveys the increase in the number of conducting electrons in a solid when illuminated with light of sufficiently high photon energy to excite electrons out of filled valence bands. Chapter 5 considers the concept of diagmagnetism, paramagnetism, and ferromagnetism in solids.