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Cet ouvrage est avant tout construit sur l'idée, assez personnelle aux auteurs, que c'est l'existence d'amas stables dans la structure qui force la quasipériodicité et explique les propriétés étranges de ces matériaux. Étudiants en 3e cycle sur la matière condensée, chercheurs non spécialistes, enseignants.
Quasicrystals. --- Quasi-crystals --- Condensed matter --- Crystals --- Quasicrystals
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This book focuses on current topics in quasicrystal science and research. Various themes are addressed, such as atomic structure, growth of quasicrystals, statistical physics and thermodynamics, magnetism, phasons, propagation of waves, surfaces and technological potential of quasicrystals. Insight into basics in physics and chemistry is also given, with examples from metallurgy, the surface of alloys, plasticity, etc., in order to point out the possible genuine aspects of quasicrystals and allow a better comparison with conventional alloys.
Quasicrystals. --- Crystals. --- Crystallography --- Powders --- Solids --- Quasi-crystals --- Condensed matter --- Crystals
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Solid state physics --- Quasicrystals --- 544.273.4 --- Quasi-crystals --- Condensed matter --- Crystals --- Quasicrystalline model (physical chemistry)
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This primer provides a descriptive approach to the subject of quasicrystals for those coming to it for the first time. The various practical, experimental, and theoretical topics are dealt with in an accessible style. The book is completed by problem sets and there is a computer program that generates a Penrose lattice.
Quasicrystals. --- Crystals. --- Crystallography --- Powders --- Solids --- Quasi-crystals --- Condensed matter --- Crystals --- 544.273.4 --- Quasicrystalline model (physical chemistry) --- Quasicrystals
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This book is aimed at researchers who are working in a field of quasicrystals to provide a reference to recent developments and ideas in the field and also at graduate students, who intend to study quasicrystals, to provide introduction of ideas. Topics in this book cover an entire field of quasicrystals, both experimental and theoretical, including new developments: the state of the art in quasicrystallography, new families of quasicrystals, phasons in aperiodic solids, ab initio studies on stability mechanism, quantum transport phenomena, elastic/plastic properties and surface of quasicrysta
Chemical and physical cristallography --- Quasicrystals. --- Matter --- Properties. --- Physical properties of matter --- Properties of matter --- Mechanics --- Diffusion --- Quasi-crystals --- Condensed matter --- Crystals
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The aim of this book is to acquaint the reader with what the author regards as the most basic characteristics of quasicrystals structure, formation and stability, properties in relationship with the applications of quasicrystalline materials.Quasicrystals are fascinating substances that form a family of specific structures with strange physical and mechanical properties as compared to those of metallic alloys. This, on the one hand, is stimulating intensive research to understand the most basic properties of quasicrystals in the frame of a generalized crystallography. On the other hand
Quasicrystals. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Quasi-crystals --- Condensed matter --- Crystals --- Quasicrystals --- 544.273.4 --- Quasicrystalline model (physical chemistry)
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Quasicrystals. --- Soft condensed matter. --- Matter, Soft (Condensed matter) --- Matter, Soft condensed --- Soft matter (Condensed matter) --- Condensed matter --- Complex fluids --- Quasi-crystals --- Crystals
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Quasicrystals are non-periodic solids that were discovered in 1982 by Dan Shechtman, Nobel Prize Laureate in Chemistry 2011. The underlying mathematics, known as the theory of aperiodic order, is the subject of this comprehensive multi-volume series. This first volume provides a graduate-level introduction to the many facets of this relatively new area of mathematics. Special attention is given to methods from algebra, discrete geometry and harmonic analysis, while the main focus is on topics motivated by physics and crystallography. In particular, the authors provide a systematic exposition of the mathematical theory of kinematic diffraction. Numerous illustrations and worked-out examples help the reader to bridge the gap between theory and application. The authors also point to more advanced topics to show how the theory interacts with other areas of pure and applied mathematics.
Aperiodicity --- Crystallography, Mathematical --- Aperiodic tilings --- Quasicrystals --- Pavage (mathématiques) --- Quasicristaux --- Mathematics --- Mathématiques --- Mathématiques. --- Aperiodic tilings. --- Quasi-crystals --- Condensed matter --- Crystals --- Aperiodic point sets --- Sets, Aperiodic point --- Discrete geometry --- Point set theory --- Tiling (Mathematics) --- Mathematics.
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This book describes the discovery of quasicrystals (icosahedral and decagonal) in an extraterrestrial rock from the Koryak Mountains of Far Eastern Russia. After a decade-long search for a natural quasicrystal, this discovery opened a new avenue in mineralogy and crystallography that could lead to further discoveries in geoscience, astronomy, condensed matter physics, and materials engineering. For the first time, minerals have been discovered that violate the symmetry restrictions of conventional crystallography. The natural occurrence of such crystals was unexpected, involving previously unknown processes. The fact that the quasicrystals were found in a meteorite formed in the earliest moments of the solar system means these processes have been active for over 4.5 billion years and have influenced the composition of the first objects to condense around the Sun. Finding quasicrystals formed in these extreme environments also informed the longstanding debate concerning the stability and robustness of quasicrystals. Recent shock experiments lend support to the hypothesis that the extraterrestrial quasicrystals formed as a result of hypervelocity impacts between objects in the early Solar system, and that they are probably less rare in the Milky Way. .
Mineralogy. --- Crystallography. --- Planetology. --- Geology. --- Materials science. --- Crystallography and Scattering Methods. --- Materials Science, general. --- Material science --- Physical sciences --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Planetary sciences --- Planetology --- Leptology --- Mineralogy --- Physical geology --- Crystallography --- Minerals --- Quasicrystals. --- Quasi-crystals --- Condensed matter --- Crystals
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Solid state physics --- Metal crystals --- Quasicrystals --- Symmetry (Physics) --- Cristaux métalliques --- Quasicristaux --- Symétrie (Physique) --- Metal crystals. --- Quasicrystals. --- 548.12 --- 544.273.4 --- #WSCH:AAS2 --- Invariance principles (Physics) --- Symmetry (Chemistry) --- Conservation laws (Physics) --- Physics --- Quasi-crystals --- Condensed matter --- Crystals --- Physical metallurgy --- Theory of symmetry. Theory of original forms in general --- Quasicrystalline model (physical chemistry) --- 548.12 Theory of symmetry. Theory of original forms in general
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