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Experiments and problems to be done by the non-specialist to aid in his understanding of crystals.
"Crystal growth is the art and science of growing crystals to facilitate high-technology applications in lasers, semiconducting devices, computers, magnetic and optical devices, optical processors, and pharmaceuticals, among others. This Field Guide examines the basic phenomena and techniques of growing bulk single crystals from solution, melt, and vapors. Some techniques for growth in the microgravity environment of space are also addressed. Other topics include how to choose the right crystallization method (concentration gradient or thermal gradient) based on the physical and chemical properties of the system, and the best solvents, agents, and temperatures to produce high-quality crystals"--
This is the first-ever textbook on the fundamentals of nucleation, crystal growth and epitaxy. It has been written from a unified point of view and is thus a non-eclectic presentation of this interdisciplinary topic in materials science. The reader is required to possess some basic knowledge of mathematics and physics. All formulae and equations are accompanied by examples that are of technological importance. The book presents not only the fundamentals but also the state of the art in the subject. The second revised edition includes two separate chapters dealing with the effect of the Enrich-Schwoebel barrier for down-step diffusion, as well as the effect of surface active species, on the morphology of the growing surfaces. In addition, many other chapters are updated accordingly. Thus, it serves as a valuable reference book for both graduate students and researchers in materials science.
Images and text capture the astonishing beauty of the chemical processes that create snowflakes, bubbles, flames, and other wonders of nature. Chemistry is not just about microscopic atoms doing inscrutable things; it is the process that makes flowers and galaxies. We rely on it for bread-baking, vegetable-growing, and producing the materials of daily life. In stunning images and illuminating text, this book captures chemistry as it unfolds. Using such techniques as microphotography, time-lapse photography, and infrared thermal imaging, The Beauty of Chemistry shows us how chemistry underpins the formation of snowflakes, the science of champagne, the colors of flowers, and other wonders of nature and technology. We see the marvelous configurations of chemical gardens; the amazing transformations of evaporation, distillation, and precipitation; heat made visible; and more.
First book ever printed on growing crystals in a gel medium provides thorough descriptions of the procedure, its history and future potential. "Concise and readable."—Science. 42 illus. 1970 edition.
Over the years, many successful attempts have been chapters in this part describe the well-known processes made to describe the art and science of crystal growth, such as Czochralski, Kyropoulos, Bridgman, and o- and many review articles, monographs, symposium v- ing zone, and focus speci cally on recent advances in umes, and handbooks have been published to present improving these methodologies such as application of comprehensive reviews of the advances made in this magnetic elds, orientation of the growth axis, intro- eld. These publications are testament to the grow- duction of a pedestal, and shaped growth. They also ing interest in both bulk and thin- lm crystals because cover a wide range of materials from silicon and III–V of their electronic, optical, mechanical, microstructural, compounds to oxides and uorides. and other properties, and their diverse scienti c and The third part, Part C of the book, focuses on - technological applications. Indeed, most modern ad- lution growth. The various aspects of hydrothermal vances in semiconductor and optical devices would growth are discussed in two chapters, while three other not have been possible without the development of chapters present an overview of the nonlinear and laser many elemental, binary, ternary, and other compound crystals, KTP and KDP. The knowledge on the effect of crystals of varying properties and large sizes. The gravity on solution growth is presented through a c- literature devoted to basic understanding of growth parison of growth on Earth versus in a microgravity mechanisms, defect formation, and growth processes environment.
In the first contribution to this volume we read that the world-wide production of single crystal silicon amounts to some 2000 metric tons per year. Given the size of present-day silicon-crystals, this number is equivalent to 100000 silicon-crystals grown every year by either the Czochralski (80%) or the floating-zone (20%) technique. But, to the best of my knowledge, no coherent and comprehensive article has been written that deals with "the art and science", as well as the practical and technical aspects of growing silicon crystals by the Czochralski technique. The same could be said about the floating-zone technique were it not for the review article by W. Dietze, W. Keller and A. Miihlbauer which was published in the preceding Volume 5 ("Silicon") of this series (and for a monograph by two of the above authors published about the same time). As editor of this volume I am very glad to have succeeded in persuading two scien tists, W. Zulehner and D. Huber, of Wacker-Chemitronic GmbH - the world's largest producer of silicon-crystals - to write a comprehensive article about the practical and scientific aspects of growing silicon-crystals by the Czochralski method and about silicon wafer manufacture. I am sure that many scientists or engineers who work with silicon crystals -be it in the laboratory or in a production environment - will profit from the first article in this volume.
Side by Side has helped over 25 million students worldwide persist and succeed as language learners. Now, in this special edition for adult learners in standards-based programs, Side by Side Plus builds students' general language proficiency and prepares them for their life-skill roles in the community, family, school, and at work. Easy-to-use teacher support materials include hundreds of multilevel activities and a wealth of supplemental worksheets, achievement tests, and other resources to assure learner persistence and success. Outstanding Features: Picture dictionary lessons introduce unit vocabulary in a clear, easy-to-use format. The program's guided conversation methodology integrates grammar, vocabulary, and topics through real-life communication practice that is student-centered, interactive, and fun. Standards-based lessons in each unit develop the competencies included in CASAS, BEST Plus, EFF, SCANS, Model Standards, and other major curriculum frameworks and assessment systems. Teamwork, critical thinking, and community tasks promote cooperative learning, problem-solving, and civics connections. Diverse reading and writing activities include realia, narrative readings, and journal-writing to develop skills for daily life, self-expression, and academic advancement. Built-in assessment in each unit includes a check-up test and vocabulary and skill checklists enabling students to assess their progress. Side by Side Gazette magazine sections promote learner persistence through high-interest material that students can use in class or on their own, building a bridge between the classroom and the home. A Bonus Gazette Audio CD included with the text offers entertaining radio program-style recordings of Gazette activities. An all-in-one teacher support package (available separately) includes a Teacher's Guide with Multilevel Activity & Achievement Test Book and CD-ROM providing multilevel activities and an array of reproducible masters, worksheets, and tests. An Activity & Test Prep Workbook (available separately) offers all-skills practice, GrammarRaps, and unit achievement tests.
In the last decade or so the growth of single crystals has assumed enormous importance for both academic research, and technology (particu larly in the field of 'electronics'). The range of fields involved is great: from electro-optics to metal corrosion, from semiconductors to magnetic bubble materials-one can add to the list almost indefinitely. However, while the general principles of crystal growth can be applied aImost right across the board, it turns out that the precise way in which one can grow a particular crystal best varies considerably from material to material. This, of course, is to emphasise the obvious; nonetheless, except in specialised papers in the scientific litera ture , little attempt seems to have been made to deal in any detail with the causes of the difficulties in growing particular kinds of materials and with methods of circumventing them. These specialised papers may be inaccessible, and in any case cannot be, usually, very broad in scope or detailed in treatment simply because of the pressure to keep papers short. And unfortunately few specialised monographs seem to have been produced. These points and others similar emerged repeatedly in discussions with crystal growers from aU parts of the World and indicated that there was a need for a publication which would deal in detail with problems and techniques for specialised areas of crystal growth.