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Statistical Thermodynamics Of Semiconductor Alloys

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Statistical Thermodynamics of Semiconductor Alloys

Statistical Thermodynamics of Semiconductor Alloys Book
Author : Vyacheslav A Elyukhin
Publisher : Elsevier
Release : 2015-10-23
ISBN : 0128039930
Language : En, Es, Fr & De

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Book Description :

Statistical Thermodynamics of Semiconductor Alloys is the consideration of thermodynamic properties and characteristics of crystalline semiconductor alloys by the methods of statistical thermodynamics. The topics presented in this book make it possible to solve such problems as calculation of a miscibility gap, a spinodal decomposition range, a short-range order, deformations of crystal structure, and description of the order-disorder transitions. Semiconductor alloys, including doped elemental semiconductors are the basic materials of solid-state electronics. Their structural stability and other characteristics are key to determining the reliability and lifetime of devices, making the investigation of stability conditions an important part of semiconductor physics, materials science, and engineering. This book is a guide to predicting and studying the thermodynamic properties and characteristics of the basic materials of solid-state electronics. Includes a complete and detailed consideration of the cluster variation method (CVM) Provides descriptions of spinodal decomposition ranges of crystalline alloys Presents a representation of thermodynamics characteristics and properties as a miscibility gap by using the different approximations of CVM Covers a unique, detailed consideration of the valence force field model with the complete collection of formulas

Statistical Thermodynamics of Alloys

Statistical Thermodynamics of Alloys Book
Author : N.A. Gokcen
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1468450530
Language : En, Es, Fr & De

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Book Description :

This book is intended for scientists, researchers, and graduate students interested in solutions in general, and solutions of metals in particular. Readers are assumed to have a good background in thermodynamics, presented in such books as those cited at the end of Chapter 1, "Thermo dynamic Background." The contents of the book are limited to the solutions of metals + metals, and metals + metalloids, but the results are also appli cable to numerous other types of solutions encountered by metallurgists, materials scientists, geologists, ceramists, and chemists. Attempts have been made to cover each topic in depth with numerical examples whenever necessary. Chapter 2 presents phase equilibria and phase diagrams as related to the thermodynamics of solutions. The emphasis is on the binary diagrams since the ternary diagrams can be understood in terms of the binary diagrams coupled with the phase rule, and the Gibbs energies of mixing. The cal culation of thermodynamic properties from the phase diagrams is not emphasized because such a procedure generally yields mediocre results. Nevertheless, the reader can readily obtain thermodynamic data from phase diagrams by reversing the detailed process of calculation of phase diagrams from thermodynamic data. Empirical rules on phase stability are given in this chapter for a brief and clear understanding of the physical and atomistic factors underlying the alloy phase formation.

Theoretical and Computational Methods in Mineral Physics

Theoretical and Computational Methods in Mineral Physics Book
Author : Renata M. Wentzcovitch,Lars Stixrude
Publisher : Walter de Gruyter GmbH & Co KG
Release : 2018-12-17
ISBN : 150150844X
Language : En, Es, Fr & De

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Book Description :

Volume 71 of Reviews in Mineralogy and Geochemistry represents an extensive review of the material presented by the invited speakers at a short course on Theoretical and Computational Methods in Mineral Physics held prior (December 10-12, 2009) to the Annual fall meeting of the American Geophysical Union in San Francisco, California. The meeting was held at the Doubletree Hotel & Executive Meeting Center in Berkeley, California. Contents: Density functional theory of electronic structure: a short course for mineralogists and geophysicists The Minnesota density functionals and their applications to problems in mineralogy and geochemistry Density-functional perturbation theory for quasi-harmonic calculations Thermodynamic properties and phase relations in mantle minerals investigated by first principles quasiharmonic theory First principles quasiharmonic thermoelasticity of mantle minerals An overview of quantum Monte Carlo methods Quantum Monte Carlo studies of transition metal oxides Accurate and efficient calculations on strongly correlated minerals with the LDA+U method: review and perspectives Spin-state crossover of iron in lower-mantle minerals: results of DFT+U investigations Simulating diffusion Modeling dislocations and plasticity of deep earth materials Theoretical methods for calculating the lattice thermal conductivity of minerals Evolutionary crystal structure prediction as a method for the discovery of minerals and materials Multi-Mbar phase transitions in minerals Computer simulations on phase transitions in ice Iron at Earth’s core conditions from first principles calculations First-principles molecular dynamics simulations of silicate melts: structural and dynamical properties Lattice dynamics from force-fields as a technique for mineral physics An efficient cluster expansion method for binary solid solutions: application to the halite-silvite, NaCl-KCl, system Large scale simulations Thermodynamics of the Earth’s mantle

Multiscale Modeling

Multiscale Modeling Book
Author : Pedro Derosa,Tahir Cagin
Publisher : CRC Press
Release : 2010-12-09
ISBN : 1439810400
Language : En, Es, Fr & De

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Book Description :

While the relevant features and properties of nanosystems necessarily depend on nanoscopic details, their performance resides in the macroscopic world. To rationally develop and accurately predict performance of these systems we must tackle problems where multiple length and time scales are coupled. Rather than forcing a single modeling approach to

Applied Computational Materials Modeling

Applied Computational Materials Modeling Book
Author : Guillermo Bozzolo,Ronald D. Noebe,Phillip B. Abel
Publisher : Springer Science & Business Media
Release : 2007-12-19
ISBN : 0387345655
Language : En, Es, Fr & De

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Book Description :

The scope of this book is to identify and emphasize the successful link between computational materials modeling as a simulation and design tool and its synergistic application to experimental research and alloy development. The book provides a more balanced perspective of the role that computational modeling can play in every day research and development efforts. Each chapter describes one or more particular computational tool and how they are best used.

Handbook of Materials Modeling

Handbook of Materials Modeling Book
Author : Sidney Yip
Publisher : Springer Science & Business Media
Release : 2007-11-17
ISBN : 1402032862
Language : En, Es, Fr & De

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Book Description :

The first reference of its kind in the rapidly emerging field of computational approachs to materials research, this is a compendium of perspective-providing and topical articles written to inform students and non-specialists of the current status and capabilities of modelling and simulation. From the standpoint of methodology, the development follows a multiscale approach with emphasis on electronic-structure, atomistic, and mesoscale methods, as well as mathematical analysis and rate processes. Basic models are treated across traditional disciplines, not only in the discussion of methods but also in chapters on crystal defects, microstructure, fluids, polymers and soft matter. Written by authors who are actively participating in the current development, this collection of 150 articles has the breadth and depth to be a major contributor toward defining the field of computational materials. In addition, there are 40 commentaries by highly respected researchers, presenting various views that should interest the future generations of the community. Subject Editors: Martin Bazant, MIT; Bruce Boghosian, Tufts University; Richard Catlow, Royal Institution; Long-Qing Chen, Pennsylvania State University; William Curtin, Brown University; Tomas Diaz de la Rubia, Lawrence Livermore National Laboratory; Nicolas Hadjiconstantinou, MIT; Mark F. Horstemeyer, Mississippi State University; Efthimios Kaxiras, Harvard University; L. Mahadevan, Harvard University; Dimitrios Maroudas, University of Massachusetts; Nicola Marzari, MIT; Horia Metiu, University of California Santa Barbara; Gregory C. Rutledge, MIT; David J. Srolovitz, Princeton University; Bernhardt L. Trout, MIT; Dieter Wolf, Argonne National Laboratory.

Metallic Alloys Experimental and Theoretical Perspectives

Metallic Alloys  Experimental and Theoretical Perspectives Book
Author : J.S. Faulkner,R.G. Jordan
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 9401110921
Language : En, Es, Fr & De

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Book Description :

The development of new materials is recognized as one of the major elements in the overall technological evolution that must go on in order to sustain and even improve the quality of life for citizens of all nations. There are many components to this development, but one is to achieve a better understanding of the properties of materials using the most sophisticated scientific tools that are available. As condensed matter physicists and materials scientists work toward this goal, they find that it is useful to divide their efforts and focus on specific areas, because certain analytical and theoretical techniques will be more useful for the study of one class of materials than another. One such area is the study of metals and metallic alloys, which are used in the manufacture of products as diverse as automobiles and space stations. Progress in this area has been very rapid in recent years, and the new developments come from many different countries. For these reasons the Advanced Research Workshop Programme in the NATO Scientific Affairs Division has seen fit to sponsor several meetings to bring together the researchers and students working in this field from the NATO countries and elsewhere. There have been a series of NATO-ASI's that have dealt with the results of research on the electronic structure of materials and the properties of metals, alloys, and interfaces. They are: "Electrons in finite and infinite structures" P. Phariseau and L.

Interatomic Potential and Structural Stability

Interatomic Potential and Structural Stability Book
Author : Kiyoyuki Terakura,Hisazumi Akai
Publisher : Springer Science & Business Media
Release : 2013-03-08
ISBN : 3642849687
Language : En, Es, Fr & De

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Book Description :

Structural stability is of fundamental importance in materials science. Up-to-date information on the theoretical aspects of phase stability of materials is contained in this volume. Most of the first-principles calculations are based on the local-density approximation (LDA). In contrast, this volume contains very recent results of "going beyond LDA", such as the density gradient expansion and the quantum Monte-Carlomethod. Following the recently introduced theoretical methods for the calculation of interatomic potentials, forces acting on atoms and total energies such as the Car-Parrinello, the effective-medium and the bond-ordermethod, attempts have been made to develop even more sophisticated methods such as the order-N method in electronic-structure calculations. The present status of these methods and their application to real systems are described. In addition, in order to study the phase stability atfinite temperatures, the microscopic calculations have to be combined with statistical treatment of the systems to describe, e.g. order-disorder transitions on the Si(001) surface or alloy phase diagrams. This book contains examples for this type of calculations.

CALPHAD and Alloy Thermodynamics

CALPHAD and Alloy Thermodynamics Book
Author : Patrice E. A. Turchi,Antonios Gonis,Robert David Shull
Publisher : Tms
Release : 2002
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

These proceedings emphasize all theoretical aspects of computational thermodynamics and kinetics and their impact on the science of alloys and materials design. The book offers an assesment of the CALPHAD (Calculation of Phase Diagrams) approach pioneered by Larry Kaufman.

Festk rper Probleme

Festk  rper Probleme Book
Author : H. J. Queisser
Publisher : Elsevier
Release : 2013-10-22
ISBN : 1483157679
Language : En, Es, Fr & De

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Book Description :

Festkorper Probleme XIII: Advances in Solid State Physics is a collection of papers from plenary lectures of the solid states division of the German Physical Society in Munster, on March 19-24, 1973. This collection deals with semiconductor physics, surface phenomena, and surface physics. One paper reviews the findings on experiments on the magnetic, optical, electrical, and structural properties of layer type crystals, particularly metal dichalcogenides. This book then discusses the van der Waals attraction using semi-classical methods to explain the correlation in different atoms. This discussion explains the application of the Schrodinger formalism and the Maxwell equations. One paper also reviews the energy distribution of electrons emitted from solids after ultraviolet radiation or monochromatic X-ray exposure. Another paper reviews the use of clean silicon surfaces associated with electron emitters showing ""negative electron affinity."" A paper then reviews the mechanism of charge-transfer devices, with emphasis on the physics of the transfer processes that happen in surface charge-coupled devices or bulk-charge-couple devices. This compendium will prove useful for materials physicists, scientists, and academicians in the field of advanced physics.

Physics Of Semiconductors Proceedings Of The 20th International Conference In 3 Volumes

Physics Of Semiconductors   Proceedings Of The 20th International Conference  In 3 Volumes  Book
Author : Anastassakis E M,Joannopoulos John D
Publisher : World Scientific
Release : 1990-11-29
ISBN : 9814583634
Language : En, Es, Fr & De

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Book Description :

Gathering top experts in the field, the 20th ICPS proceedings reviews the progress in all aspects of semiconductor physics. The proceedings will include state-of-the-art lectures with special emphasis on exciting new developments. It should serve as excellent material for researchers in this and related fields.

Physical Chemistry of Semiconductor Materials and Processes

Physical Chemistry of Semiconductor Materials and Processes Book
Author : Sergio Pizzini
Publisher : John Wiley & Sons
Release : 2015-10-26
ISBN : 1118514572
Language : En, Es, Fr & De

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Book Description :

The development of semiconductor devices began a little more than a century ago, with the discovery of the electrical conductivity of ionic solids. Today, solid state technologies form the background of the society in which we live. The aim of this book is threefold: to present the background physical chemistry on which the technology of solid state devices is based; secondly, to describe specific issues such as the role of defects on the properties of solids, and the crucial influence of surface properties; and ultimately, to look at the physics and chemistry of growth processes, both at the bulk and thin–film level, together with some issues relating to the properties of nano–devices. Divided into five chapters, it covers: Thermodynamics of solids, including phases and their properties and structural order Point defects in semiconductors Extended defects in semiconductors and their interactions with point defects and impurities Growth of semiconductor materials Physical chemistry of semiconductor materials processing With applications across all solid state technologies,the book is useful for advanced students and researchers in materials science, physics, chemistry, electrical and electronic engineering. It is also useful for those in the semiconductor industry.

Superalloys Supercomposites and Superceramics

Superalloys  Supercomposites and Superceramics Book
Author : John K Tien
Publisher : Elsevier
Release : 2012-12-02
ISBN : 0323140386
Language : En, Es, Fr & De

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Book Description :

Superalloys, Supercomposites and Superceramics reviews the state of superalloy technology and some of the more salient aspects of alternative high temperature systems such as superceramics and supercomposites. Superalloy topics range from resource availability to advanced processing such as VIM, VAR, and VADAR, along with investment casting and single crystal growth, new superplastic forming techniques and powder metallurgy, structure property relationships, strengthening mechanisms, oxidation, hydrogen embrittlement, and phase predictions. This book is comprised of 22 chapters that explore key issues of high temperature materials in a synergistic manner. The first chapter reflects on the growth of the superalloy industry and its technology over the past 40 years. The discussion then turns to some of the trends in superalloy development, focusing on what is understood to be meant by the term strategic materials and the current status of resources and reserves in the United States. Particular attention is given to the supply sources and availability of strategic materials. The results achieved from the research program undertaken by NASA Lewis Research Center named Conservation Of Strategic Aerospace Materials (COSAM) are also presented. The chapters that follow explore alternative high temperature systems such as intermetallics, fiber reinforced superalloys, and the processing and high temperature properties of ceramics and carbon-carbon composites. This book will be a valuable resource for professionals and graduate students interested in learning about superalloys, supercomposites, and superceramics.

Metalorganic Vapor Phase Epitaxy MOVPE

Metalorganic Vapor Phase Epitaxy  MOVPE  Book
Author : Stuart Irvine,Peter Capper
Publisher : John Wiley & Sons
Release : 2019-10-07
ISBN : 1119313015
Language : En, Es, Fr & De

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Book Description :

Systematically discusses the growth method, material properties, and applications for key semiconductor materials MOVPE is a chemical vapor deposition technique that produces single or polycrystalline thin films. As one of the key epitaxial growth technologies, it produces layers that form the basis of many optoelectronic components including mobile phone components (GaAs), semiconductor lasers and LEDs (III-Vs, nitrides), optical communications (oxides), infrared detectors, photovoltaics (II-IV materials), etc. Featuring contributions by an international group of academics and industrialists, this book looks at the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring. It covers the most important materials from III-V and II-VI compounds to quantum dots and nanowires, including sulfides and selenides and oxides/ceramics. Sections in every chapter of Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications cover the growth of the particular materials system, the properties of the resultant material, and its applications. The book offers information on arsenides, phosphides, and antimonides; nitrides; lattice-mismatched growth; CdTe, MCT (mercury cadmium telluride); ZnO and related materials; equipment and safety; and more. It also offers a chapter that looks at the future of the technique. Covers, in order, the growth method, material properties, and applications for each material Includes chapters on the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring Looks at important materials such as III-V and II-VI compounds, quantum dots, and nanowires Provides topical and wide-ranging coverage from well-known authors in the field Part of the Materials for Electronic and Optoelectronic Applications series Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications is an excellent book for graduate students, researchers in academia and industry, as well as specialist courses at undergraduate/postgraduate level in the area of epitaxial growth (MOVPE/ MOCVD/ MBE).

NBS Special Publication

NBS Special Publication Book
Author : Anonim
Publisher : Unknown
Release : 1968
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download NBS Special Publication book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Statics and Dynamics of Alloy Phase Transformations

Statics and Dynamics of Alloy Phase Transformations Book
Author : Patrice E.A. Turchi,A. Gonis
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1461524768
Language : En, Es, Fr & De

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Book Description :

The study of phase transformations in substitutional alloys, including order disorder phenomena and structural transformations, plays a crucial role in understanding the physical and mechanical properties of materials, and in designing alloys with desired technologically important characteristics. Indeed, most of the physical properties, including equilibrium properties, transport, magnetic, vibrational as well as mechanical properties of alloys are often controlled by and are highly sensitive to the existence of ordered compounds and to the occurrence of structural transformations. Correspondingly, the alloy designer facing the task of processing new high-performance materials with properties that meet specific industrial applications must answer the following question: What is the crystalline structure and the atomic configuration that an alloy may exhibit at given temperature and concentration? Usually the answer is sought in the phase-diagram of a relevant system that is often determined experimentally and does not provide insight to the underlying mechanisms driving phase stability. Because of the rather tedious and highly risky nature of developing new materials through conventional metallurgical techniques, a great deal of effort has been expended in devising methods for understanding the mechanisms contrOlling phase transformations at the microscopic level. These efforts have been bolstered through the development of fully ab initio, accurate theoretical models, coupled with the advent of new experimental methods and of powerful supercomputer capabilities.

Guide to Programs

Guide to Programs Book
Author : National Science Foundation (U.S.)
Publisher : Unknown
Release : 1991
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Guide to Programs book written by National Science Foundation (U.S.), available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

U S Government Research Reports

U S  Government Research Reports Book
Author : Anonim
Publisher : Unknown
Release : 1964
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download U S Government Research Reports book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Structural and Phase Stability of Alloys

Structural and Phase Stability of Alloys Book
Author : J. L. Morán-López,F. Mejía-Lira,J. M. Sanchez
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1461533821
Language : En, Es, Fr & De

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Book Description :

This vohune contains the papers presented at the Adriatico Research Conference on Structural and Phase Stability of Alloys held in Trieste, Italy, in May 1991, under the auspices of the International Centre for Theoretical Physics. The conference brought together participants with a variety of interests in theoretical and experimental aspects of alloys from Argentina, Belgium, Bulgaria, Czechslovakia, France, Germany, Italy, Japan, Mexico, People's Republic of Congo,Portugal, Switzerland, United Kingdom, United States, U. S. S. R. , and Venezuela. The conference was purposely designed to succinctly cover experimental and the oretical aspects of magnetic and non-magnetic alloys, surfaces, thin films and nanos tructures. The Conference opened with an overview of a select class of advanced structural materials, with a potential in engineering applications, for which the con ventional "physics" approach, both theoretical and experimental, should have a sig nificant impact. A number of papers were dedicated to the use of phenomenological approaches for the description of thermodynamic bulk and surface properties. It was clear from these presentations that the phenomenological models and simulations in alloy theory have reached a high degree of sophistication. Although with somewhat limited predictive powers, the phenomenological models provide a valuable tool for the understanding of a variety of subtle phenomena such as short-range order, phase stability, kinetics and the thermodynamics of surfaces and antiphase boundaries, to name a few.

Metals Abstracts

Metals Abstracts Book
Author : Anonim
Publisher : Unknown
Release : 1994
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Metals Abstracts book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.