Doped by isovalent or heterovalent foreign impurities (F), II-VI semiconductor compounds enable control of optical and electronic properties, making them ideal in detectors, solar cells, and other precise device applications. For the reproducible manufacturing of the doped materials with predicted and desired properties, manufacturing technologists need knowledge of appropriate ternary system phase diagrams. A guide for technologists and researchers at industrial and national laboratories, Ternary Alloys Based on II-VI Semiconductor Compounds collects all available data on ternary II-VI-F semiconductor materials. It presents ternary phase diagrams for the systems and includes data about phase equilibriums on the cross sections. The book is also suitable for phase diagram researchers, inorganic chemists, and solid state physicists as well as students in materials science, engineering, physical chemistry, and physics. The authors classify all materials according to the periodic groups of their constituent atoms (i.e., possible combinations of Zn, Cd, and Hg with chalcogens S, Se, and Te) and additional components in the order of their group number. Each ternary system database description contains the diagram type, possible phase transformation and physical-chemical interaction of the components, equilibrium investigation methods, thermodynamic characteristics, and the sample preparation method. In some cases, the book illustrates the solid and liquid-phase equilibriums with vapor because of their importance to crystal growth using the vapor-liquid-solid technique. It also presents data on the homogeneity range as well as baric and temperature dependences of solubility impurities in the semiconductor lattice and the liquid phase.

Building on the success of T.J.T. Spanos's previous book The Thermophysics of Porous Media, The Physics of Composite and Porous Media explains non-linear field theory that describes how physical processes occur in the earth. It describes physical processes associated with the interaction of the various phases at the macroscale (the scale at which continuum equations are established) and how these interactions give rise to additional physical processes at the megascale (the scale orders of magnitude larger at which a continuum description may once again be established). Details are also given on how experimental, numerical and theoretical work on this subject fits together. This book will be of interest to graduate students and academic researchers working on understanding the physical process in the earth, in addition to those working in the oil and hydrogeology industries.

Nuclear magnetic resonance (NMR) is widely used across many fields of science because of the rich data it produces, and some of the most valuable data come from studies of nuclear spin relaxation in solution. The first edition of this book, published more than a decade ago, provided an accessible and cohesive treatment of the field. The present second edition is a significant update, covering important new developments in recent years. Collecting relaxation theory, experimental techniques, and illustrative applications into a single volume, this book clarifies the nature of the phenomenon, shows how to study it and explains why such studies are worthwhile. Coverage ranges from basic to rigorous theory and from simple to sophisticated experimental methods. Topics include cross-relaxation, multispin phenomena, relaxation studies of molecular dynamics and structure and special topics such as relaxation in systems with quadrupolar nuclei, in paramagnetic systems and in long-living spin states. Avoiding overly demanding mathematics, the authors explain spin relaxation in a manner that anyone with a familiarity with NMR can follow. The focus is on illustrating and explaining the physical nature of relaxation phenomena. Nuclear Spin Relaxation in Liquids: Theory, Experiments and Applications, 2nd Edition, provides useful supplementary reading for graduate students and is a valuable reference for NMR spectroscopists, whether in chemistry, physics or biochemistry.

This practical and unique textbook explains the core areas of molecular spectroscopy as a classical teacher would. The author carefully explores and explains each concept, walking side by side with the student through carefully constructed text, pedagogy, and derivations to ensure comprehension of the basics before approaching higher level topics. The author incorporates both electric resonance and magnetic resonance in the textbook. Uses boxes to explain more difficult topics and provides derivations to demonstrate "how and why". Includes coverage of electronic and NMR spectroscopy, both in sufficient detail. Discusses the density matrix method and its use in electronic spectroscopy before addressing it in NMR. Includes a chapter on Vibrational and Rotational Coherence Spectroscopy. Each chapter ends with problems with varying level of difficulty.

This volume comprises the proceedings of a NATO Advanced Study In stitute held at Geilo, Norway, April 6 -16 1999. The ASI was the fifteenth in a series held biannually on topics related to cooperative phenomena and phase transitions, in this case applied to soft condensed matter and its configurations, dynamics and functionality. It addressed the current experimental and theoretical knowledge of the physical properties of soft condensed matter such as polymers, gels, complex fluids, colloids, granular materials and biomaterials. The main purpose of the lectures was to obtain basic understanding of important aspects in relating molecular configurations and dynamics to macroscopic properties and biological functionality. To our knowledge, the term Soft Condensed Matter was actually coined and used for the first time in 1989 at Geilo and some selected topics of soft matter were also given at Geilo in 1991, 1993 and 1995. A return to this subject 10 years after its instigation thus allowed a fresh look and a possibility for defining new directions for research.

Quantum Kinetic Equations; H. Spohn. Microscopic Derivation of Hydrodynamics with Phase Transition in a Plasma Model; G.L. Sewell. Ferromagnetism in Itinerant Electron Systems; H. Tasaki. Homogeneity in the Ground State of the Two-Dimensional Falicov-Kimabll Model; T. Kennedy. Diffusive Limit of the Asymmetric Simple Exclusion; R. Esposito, et al. Weak Coupling Limit; L.J. Landau. Limit Laws for Recurrence Times in Expanding Maps of an Interval; P. Collet. Stochastic Geometric Aspects of Some Quantum Spin Chains; B. Nachtergaele. The Species Totally Asymmetric Simple Exclusion Process; E.R. Speer. How to Reconstruct a Heat Bath; B. Kummerer. Interacting Particle Systems on Non-Commutative Spaces; T. Matsui. Non-Self-Averaging Effects in Sums of Random Variables, Spin Glasses, Random Maps, and Random Walks; B. Derrida. Quantum Adiabatic Evolution; A. Joye, C.E. Pfister. 48 additional articles. Index.

Soft condensed matter physics, which emerged as a distinct branch of physics in the 1990s, studies complex fluids: liquids in which structures with length scale between the molecular and the macroscopic exist. Polymers, liquid crystals, surfactant solutions, and colloids fall into this category. Physicists deal with properties of soft matter systems that are generic and largely independent of chemical details. They are especially fascinated by the way soft matter systems can harness Brownian motion to self-assemble into higher-order structures. Exploring the generic properties of soft matter offers insights into many fundamental questions that cut across a number of disciplines. Although many of these apply to materials and industrial applications, the focus of this volume is on their applications in molecular and cell biology based on the realization that biology is soft matter come alive. The chapters in Soft Condensed Matter Physics in Molecular and Cell Biology originated as lectures in the NATO Advanced Science Institute (ASI) and Scottish Universities Summer Schools in Physics with the same name; they represent the thinking of seventeen experts operating at the cutting edge of their respective fields. The book provides a thorough grounding in the fundamental physics of soft matter and then explores its application with regard to the three important classes of biomacromolecules: proteins, DNA, and lipids, as well as to aspects of the biology of cells. The final section of the book considers experimental techniques, covering single molecule force spectroscopy of proteins, the use of optical tweezers, along with X-ray, neutron, and light scattering from solutions. While this work presents fundamentals that make it a suitable text for graduate students in physics, it also offers valuable insights for established soft condensed matter physicists seeking to contribute to biology, and for biologists wanting to understand what the latest think

As nanotechnology has developed over the last two decades, some nanostructures, such as nanotubes, nanowires, and nanoparticles, have become very popular. However, recent research has led to the discovery of other, less-common nanoforms, which often serve as building blocks for more complex structures. In an effort to organize the field, the Handbook of Less-Common Nanostructures presents an informal classification based mainly on the less-common nanostructures. A small nanotechnological encyclopedia, this book: Describes a range of little-known nanostructures Offers a unifying vision of the synthesis of nanostructures and the generalization of rare nanoforms Includes downloadable resources with color versions of more than 100 nanostructures Explores the fabrication of rare nanostructures, including modern physical, chemical, and biological synthesis techniques The Handbook of Less-Common Nanostructures discusses a classification system not directly related to the dimensionality and chemical composition of nanostructure-forming compounds or composite. Instead, it is based mainly on the less-common nanostructures. Possessing unusual shapes and high surface areas, these structures are potentially very useful for catalytic, medical, electronic, and many other applications.

Doped by isovalent or heterovalent foreign impurities, II-VI semiconductor compounds enable control of optical and electronic properties, making them ideal in detectors, solar cells, and other precise device applications. Quaternary alloys allow a simultaneous adjustment of band gap and lattice constant, increasing radiant efficiency at a wide range of wavelengths. Quaternary Alloys Based on II-VI Semiconductors consolidates data pertaining to diagrams of quaternary systems based on these semiconductor compounds. The book illustrates up-to-date experimental and theoretical information about phase relations based on II-VI semiconductor systems with four components. It critically evaluates many industrially significant systems presented in two-dimensional sections for the condensed phases. The author classifies all materials according to the periodic groups of their constituent atoms and additional components in the order of their group number. Each quaternary database description contains brief information on the diagram type, possible phase transformations and physical-chemical interactions of the components, thermodynamic characteristics, and methods for equilibrium investigation and sample preparation. Most of the phase diagrams are in their original form. For those with varying published data, the text includes several versions for comparison. This book provides invaluable data for technologists and researchers involved in developing and manufacturing II-VI semiconductors at industrial and national laboratories. It is also suitable for phase relations researchers, inorganic chemists, and semiconductor physicists as well as graduate students in materials science and engineering. Check out the companion books: Ternary Alloys Based on II-VI Semiconductor Compounds and

The demands of production, such as thin films in microelectronics, rely on consideration of factors influencing the interaction of dissimilar materials that make contact with their surfaces. Bond formation between surface layers of dissimilar condensed solids-termed adhesion-depends on the nature of the contacting bodies. Thus, it is necessary to determine the characteristics of adhesion interaction of different materials from both applied and fundamental perspectives of surface phenomena. Given the difficulty in obtaining reliable experimental values of the adhesion strength of coatings, the theoretical approach to determining adhesion characteristics becomes more important. Surface Physics: Theoretical Models and Experimental Methods presents straightforward and efficient approaches and methods developed by the authors that enable the calculation of surface and adhesion characteristics for a wide range of materials: metals, alloys, semiconductors, and complex compounds. The authors compare results from the proposed theories-developed within the framework of the electron density functional theory and dielectric formalism-to experimental data. The book begins with a discussion of the thermodynamics of surface phenomena and covers experimental and theoretical methods for studying surface characteristics of solids. Chapters describe calculations of surface and adhesion characteristics of metals using the density functional method. They also examine the calculation of adhesion characteristics of metals, semiconductors, and complex compounds based on dielectric formalism. In addition, the text covers dry friction, adsorption of metal atoms, and ferromagnetic films. The principles and methods presented in this book are useful in selecting optimum materials and coatings for various applications, including minimizing friction for increased efficiency of microelectronic components.

Spectroscopic Techniques and Hindered Molecular Motion presents a united, theoretical approach to studying classical local thermal motion of small molecules and molecular fragments in crystals by spectroscopic techniques. Mono- and polycrystalline case studies demonstrate performance validity. The book focuses on small molecules and molecular fragments, such as N2, HCl, CO2, CH4, H2O, NH4, BeF4, NH3, CH2, CH3, C6H6, SF6, and other symmetrical atomic formations, which exhibit local hindered motion in molecular condensed media: molecular and ionic crystals, molecular liquids, liquid crystals, polymeric solids, and biological objects. It reviews the state of studying the hindered molecular motion (HMM) phenomenon and the experimental works on the basis of the latest theoretical research. Case Studies Physical models of hindered molecular motion General solution of the stochastic problem for the hindered molecular motion in crystals Formulae of the angular autocorrelation function symmetrized on the crystallographic point symmetry groups Formulae of the spectral line shapes concerning the dielectric, infrared, Raman, nuclear magnetic relaxation, and neutron scattering spectroscopy in the presence of the hindered molecular motion Experimental probation of the theoretical outcomes Proton relaxation in three-atomic molecular fragments undergoing axial symmetry hindered motion Structural distortion in the ordered phase of crystalline ammonium chloride Organic compounds, polymers, pharmaceutical products, and biological systems consist of the molecular fragments, which possess rotational or conformational degrees of freedom or an atomic exchange within the fragme

A teaching tool intended to complement existing books on the theory of materials science, metallurgy, and electron microscopy, this text focuses on metals and alloys. It visualizes key structural elements common to crystalline materials, including crystal lattice imperfections, along with the principles and steps involved in the microstructure development in metallic materials under external influences. Designed as an atlas, Microstructure of Metals and Alloys contains a collection of carefully selected original transmission electron microscope (TEM) micrographs taken by the authors. These images demonstrate typical crystal lattice defects, elements of the microstructure of metals and alloys, and the basic processes occurring to the crystal structure during plastic deformation, polygonization, recrystallization, and rapid solidification. The book is organized into six chapters. Each deals with a particular problem in the field of physical metallurgy, and begins with a description of the basic concept and terms. These descriptions enable readers to achieve a better understanding of the essential issues relevant to specific challenges. Providing comprehensive, illustrative coverage of the basic topics in materials science, this important work emphasizes fundamental principles over specific materials, in a manner that is fully consistent with the contemporary tendency in materials science teaching.

Kinetics and Thermodynamics of Fast Particles in Solids examines the kinetics and non-equilibrium statistical thermodynamics of fast charged particles moving in crystals in different modes. It follows a line of research very different from traditional ways of constructing a theory of radiation effects, which gives a purely mechanistic interpretation of particle motion. In contrast, this book takes into account the thermodynamic forces due to separation of the thermodynamic parameters of the subsystem of particles ("hot" atoms) on the parameters of the thermostat (electrons and lattice), in addition to covering the various mechanisms of collisions. Topics Include: Construction of a local kinetic equation of Boltzmann type for fast particles interacting with the conduction electrons and lattice vibrations, on the basis of the principles of Bogolyubov's kinetic theory Calculation of the equilibrium energy and angular distributions of fast particles at a depth of the order of coherence length, and the evolution of particle distribution with increasing depth of penetration of the beam Calculation of transverse quasi-temperature of channeled particles with the heating of the beam in the process of diffusion of particles in the space of transverse energies, as well as cooling the beam through a dissipative process Research in the framework of non-equilibrium thermodynamics of the relaxation kinetics of random particles, including the thermodynamics of positronium atoms moving in insulators under laser irradiation Analysis of the kinetics of hot carriers in semiconductors and thermalization of hot carriers, as well as the calculation of the statistical distribution of ejected atoms formed during the displacement cascade The book sets a new direction of the theory of radiation effects in solids-non-equilibrium statistical thermodynamics

One of the first books to cover advanced silicon-based technologies, Advanced Silicon and Semiconducting Silicon Alloy-Based Materials and Devices presents important directions for research into silicon, its alloy-based semiconducting devices, and its development in commercial applications. The first section deals with single/mono crystalline silicon, focusing on the effects of heavy doping; the structure and electronic properties of defects and their impact on devices; the MBE of silicon, silicon alloys, and metals; CVD techniques for silicon and silicon germanium; the material properties of silicon germanium strained layers; silicon germanium heterojunction bipolar applications; FETs, IR detectors, and resonant tunneling devices in silicon, silicon germanium, and d-doped silicon; and the fascinating properties of crystalline silicon carbide and its applications. The second section explores polycrystalline silicon. It examines large grain polysilicon substrates for solar cells; the properties, analysis, and modeling of polysilicon TFTs; the technology of polysilicon TFTs in LCD displays; and the use of polycrystalline silicon and its alloys in VLSI applications. With contributors from leading academic and industrial research centers, this book provides wide coverage of fabrication techniques, material properties, and device applications.

Despite the large quantity of phenomenological information concerning the bulk properties of nematic phase liquid crystals, little is understood about the origin of the surface energy, particularly the surface, interfacial, and anchoring properties of liquid crystals that affect the performance of liquid crystal devices. Self-contained and unique, Adsorption Phenomena and Anchoring Energy in Nematic Liquid Crystals provides an account of new and established results spanning three decades of research into the problems of anchoring energy and adsorption phenomena in liquid crystals. The book contains a detailed discussion of the origin and possible sources of anchoring energy in nematic liquid crystals, emphasizing the dielectric contribution to the anchoring energy in particular. Beginning with fundamental surface and anchoring properties of liquid crystals and the definition of the nematic phase, the authors explain how selective ion adsorption, dielectric energy density, thickness dependence, and bias voltage dependence influence the uniform alignment of liquid crystals and affect the performance of liquid crystal devices. They also discuss fundamental equations regulating the adsorption phenomenon and the dynamic aspects of ion adsorption phenomenon in liquid crystalline systems. Adsorption Phenomena and Anchoring Energy in Nematic Liquid Crystals serves as an excellent source of reference for graduates and researchers working in liquid crystals, complex fluids, condensed matter physics, statistical physics, chemical engineering, and electronic engineering, as well as providing a useful general introduction to and background information on the nematic liquid crystal phase.

Many courses on modern quantum field theory focus on the formulation and application of field theory, leaving topics related to symmetry underdeveloped. This leads to students often having an incomplete understanding of symmetries. Filling this gap, Symmetries and Symmetry Breaking in Field Theory sheds light on various aspects of symmetry in field theory. The book presents a broad selection of important topics, including constraint theory, generalized Pauli-Villars regularization, the measure approach to anomalies, zeta function regularization, and anomalous gauge theories. The author explains how some classical symmetries are broken by anomalies and how other symmetries of the theory are spontaneously broken. He discusses all of the ideas in as simple a way as possible.

Ferroic materials are important, not only because of the improved understanding of condensed matter, but also because of their present and potential device applications. This book presents a unified description of ferroic materials at an introductory level, with the unifying factor being the occurrence of nondisruptive phase transitions in crystals that alter point-group symmetry. The book also aims to further systemitize the subject of ferroic materials, employing some formal, carefully worded, definitions and classification schemes. The basic physical principles leading to the wide-ranging applications of ferroic materials are also explained, while placing extra emphasis on the utilitarian role of symmetry in materials science.

The relationship between liquids and gases engaged the attention of a number of distinguished scientists in the mid 19th Century. In a definitive paper published in 1869, Thomas Andrews described experiments he performed on carbon dioxide and from which he concluded that a critical temperature exists below which liquids and gases are distinct phases of matter, but above which they merge into a single fluid phase. During the years which followed, other natural phenomena were discovered to which the same critical point description can be applied - such as ferromagnetism and solutions. This book provides an historical account of theoretical explanations of critical phenomena which ultimately led to a major triumph of statistical mechanics in the 20th Century - with the award of the Nobel Prize for Physics

Systems with competing energy scales are widespread and exhibit rich and subtle behaviour, although their systematic study is a relatively recent activity. This text presents lectures given at a NATO Advanced Study Institute reviewing the current knowledge and understanding of the subject, particularly with regard to phase transitions and dynamics, at an advanced tutorial level. Both general and specific aspects are considered, with competitions having several origins; differences in intrinsic interactions, interplay between intrinsic and extrinsic effects, such as geometry and disorder; irreversibility and non-equilibration. Among the specific physical application areas are supercooled liquids and glasses, high-temperature superconductors, flux or vortex pinning and motion, charge density waves, domain growth and coarsening, and electron solidification.

Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics introduces the general principles of diffusion in the subsurface environment and discusses the implications for the fate and transport of contaminants in soils and groundwater. Emphasis is placed on sorption/desorption and the dissolution kinetics of organic contaminants, both of which are limited by the slow speed of molecular diffusion. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics compiles methods for calculating the diffusion coefficients of organic compounds (in aqueous solution or vapor phase) in natural porous media. The author uses analytical solutions of Fick's 2nd law and some simple numerical models to model diffusive transport under various initial and boundary conditions. A number of these models may be solved using spreadsheets. The book examines sorption/desorption rates of organic compounds in various soils and aquifer materials, and also examines the dissolution kinetics of nonaqueous phase liquids in aquifers, in both the trapped residual phase and in pools. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics concludes with a discussion of the impact of slow diffusion processes on soil and groundwater decontamination and the implications of these processes for groundwater risk assessment.