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Volume 1 of Point Defects in Solids has as its major emphasis defects in ionic solids. Volume 2 now extends this emphasis to semiconductors. The first four chapters treat in some detail the creation, kinetic behavior, inter actions, and physical properties of both simple and composite defects in a variety of semiconducting systems. Also included, as in Vol. 1, are chapters on special topics, namely phonon-defect interactions and defects in organic crystals. Defect behavior in semiconductors has been a subject of considerable interest since the discovery some twenty-five years ago that fast neutron irradiation profoundly affected the electrical characteristics of germanium and silicon. Present-day interest has been stimulated by such semiconductor applications as solar cell power plants for space stations and satellites and semiconductor particle and y-ray detectors, since in both radiation damage can cause serious deterioration. Of even greater practical concern is the need to understand particle damage in order to capitalize upon the develop ing technique of ion implantation as a means of device fabrication. Although the periodic international conferences on radiation effects in semiconductors have served the valuable function of summarizing the extensive work being done in this field, these proceedings are much too detailed and lack the background discussion needed to make them useful to the novice.

Volume 1 of Point Defects in Solids has as its major emphasis defects in ionic solids. Volume 2 now extends this emphasis to semiconductors. The first four chapters treat in some detail the creation, kinetic behavior, inter actions, and physical properties of both simple and composite defects in a variety of semiconducting systems. Also included, as in Vol. 1, are chapters on special topics, namely phonon-defect interactions and defects in organic crystals. Defect behavior in semiconductors has been a subject of considerable interest since the discovery some twenty-five years ago that fast neutron irradiation profoundly affected the electrical characteristics of germanium and silicon. Present-day interest has been stimulated by such semiconductor applications as solar cell power plants for space stations and satellites and semiconductor particle and y-ray detectors, since in both radiation damage can cause serious deterioration. Of even greater practical concern is the need to understand particle damage in order to capitalize upon the develop ing technique of ion implantation as a means of device fabrication. Although the periodic international conferences on radiation effects in semiconductors have served the valuable function of summarizing the extensive work being done in this field, these proceedings are much too detailed and lack the background discussion needed to make them useful to the novice.

The latest edition of Pediatric Dermatology, edited by Lawrence A. Schachner, MD and Ronald C. Hansen, MD brings you the detailed guidance you need to effectively diagnose and treat pediatric skin conditions. Review topics from keratinization to stem cell therapy, and gain expert guidance from international contributors. - Refer to full-color photographs that accurately capture the appearance of a wide range of skin disorders. - Access many new tables and therapeutic algorithms for at-a-glance guidance. - Easily access the full text online plus a downloadable image library at www.expertconsult.com. - Recognize distinguishing factors in skin lesions with 40% new and improved clinical photographs. - Find extended coverage of topics like genodermatoses and disorders of keratinization, review excellent information on skin neoplasms in children, new systemic therapies, and viral disorders, and explore new concepts in autoinflammatory disorders and Kawasaki's disease. - Read up on best practices and stay at the forefront of your profession with new perspectives from a host of international contributors like new Associate Editor Antonio Torrello, who co-edits the Pediatric Dermatology journal.

• This collection of research articles emphasizes topics of interest to classroom teachers. • The 38 research articles illustrate: •survey research •quantitative content analysis •correlational research •true experimental research •quasi-experimental research •pre-experimental research •single-subject research/behavior analysis •causal-comparative research •program evaluation •qualitative research •combined qualitative/quantitative research •meta-analysis • The lines in each article are numbered sequentially, making it easy to refer to specific parts of the article during classroom discussions. • The availability of a single source of research articles is convenient and helps you avoid copyright infringement problems. • Factual Questions at the end of each article allow students to check their comprehension. • Questions for discussion stimulate classroom discussions of research methods. • After answering the questions, students rate the quality of each article using 13 basic criteria. More detailed criteria in the Appendix may also be applied. • Ideal for courses in which the primary goal is to learn how to evaluate research. • Twenty-one different journals are represented in the 38 articles in this collection. Students see the diversity of educational research since the journals vary in their standards for publication. • New to this edition: Thirteen new articles keep this popular research reader up-to-date.

Crystal defects can no longer be thought of as a scientific curiosity, but must be considered an important aspect of solid-state science. This is largely because many of the more interesting properties of crystalline solids are disproportionately dominated by effects due to a tiny concentration of imperfections in an otherwise perfect lattice. The physics of such lattice defects is not only of significance in a great variety of applications, but is also interesting in its own right. Thus, an extensive science of point defects and dislocations has been constructed during the past two and a half decades. Stimulated by the technological and scientific interest in plasticity, there have appeared in recent years rather a large number of books dealing with dislocations; in the case of point defects, however, only very few broad and extensive treatments have been published. Thus, there are few compre hensive, tutorial sources for the scientist or engineer whose research ac tivities are affected by point defect phenomena, or who might wish to enter the field. It is partially to fill this need that the present treatise aims.