Search Results for physical-properties-of-quasicrystals

This book provides an up-to-date description of the unusual physical properties of these new materials.

Author: Zbigniew M. Stadnik

Publisher: Springer Science & Business Media

ISBN: 9783642584343

Category: Science

Page: 443

View: 277

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Quasicrystals are a new form of the solid state which differ from the other two known forms, crystalline and amorphous, by possesing a new type of long-range translational order, called quasiperiodicty, and a noncrystallographic orientational order. This book provides an up-to-date description of the unusual physical properties of these new materials. Emphasis is placed on the experimental results, which are compared with those of the corresponding crystalline and amorphous systems and discussed in terms of modern theoretical models. Written by leading authorities in the field, the book will be of great use both to experienced workers in the field and to uninitiated graduate students.
2012-12-06 By Zbigniew M. Stadnik

The book provides an introduction to all aspects of the physics of quasicrystals. The chapters, each written by an expert in this field, cover quasiperiodic tilings and the modeling of the atomic structure of quasicrystals.

Author: J.-B. Suck

Publisher: Springer Science & Business Media

ISBN: 9783662050286

Category: Science

Page: 564

View: 740

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The book provides an introduction to all aspects of the physics of quasicrystals. The chapters, each written by an expert in this field, cover quasiperiodic tilings and the modeling of the atomic structure of quasicrystals. The electronic density of states and the calculation of the electronic structure play a key role in this introduction, as does an extensive discussion of the atomic dynamics. The study of defects in quasicrystals by high resolution electron microscopy and the computer simulations of defects and fracture in decorated tilings are important subjects for the application of these aperiodic crystals.
2013-04-17 By J.-B. Suck

This book provides a comprehensive and up-to-date review and presents most recent research results, achieved by a collaboration of physicists, chemists, material scientists and mathematicians within the Priority Programme "Quasicrystals: ...

Author: Hans-Rainer Trebin

Publisher: John Wiley & Sons

ISBN: 9783527606788

Category: Science

Page: 668

View: 988

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Quasicrystals form a new state of solid matter beside the crystalline and the amorphous. The positions of the atoms are ordered, but with noncrystallographic rotational symmetries and in a nonperiodic way. The new structure induces unusual physical properties, promising interesting applications. This book provides a comprehensive and up-to-date review and presents most recent research results, achieved by a collaboration of physicists, chemists, material scientists and mathematicians within the Priority Programme "Quasicrystals: Structure and Physical Properties" of the Deutsche Forschungsgemeinschaft (DFG). Starting from metallurgy, synthesis and characterization, the authors carry on with structure and mathematical modelling. On this basis electronic, magnetic, thermal, dynamic and mechanical properties are dealt with and finally surfaces and thin films.
2006-05-12 By Hans-Rainer Trebin

Author: Shin Takeuchi

Publisher:

ISBN: OCLC:35529421

Category: Quasicrystals

Page: 17

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1993 By Shin Takeuchi

Author: Christian Soltmann

Publisher:

ISBN: OCLC:85340687

Category:

Page: 131

View: 472

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Author: Peter Jeglič

Publisher:

ISBN: OCLC:455772150

Category:

Page: 98

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2004 By Peter Jeglič

Author: Matej Bobnar

Publisher:

ISBN: OCLC:814145337

Category:

Page: 125

View: 365

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2012 By Matej Bobnar

Especially, the production of the single i-quasicrystals has provided the opportunity for studying accurately the unusual physical properties due to quasiperiodic array of atoms. In addition to the quasicrystals a large amount of higher ...

Author: Goldman Alan I

Publisher: World Scientific

ISBN: 9789814546515

Category:

Page: 356

View: 533

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United States (US) has one of the deepest pools of potential investors of any country. It has more than 33 million total investors, both accredited and non-accredited. It has been reported that over 9 million US households qualify as accredited investors, with a net worth of over $1 million (exclusive of primary residence). It has also been reported that, in US, there are over 700,000 “angel investors” who are willing to invest their own money in ranges of $150,000 to $2 million. This book will describe three new methods of raising capital from US investors which have recently been approved. It also analyzes strategies for successfully implementing these finance methods.This book is intended for entrepreneurs (both US and international) who are thinking of growing their business with outside capital from US. It will be of importance for all start-up and middle-market companies who are in need of additional capital to grow their businesses.
1997-02-03 By Goldman Alan I

The second chapter is a short collection of papers describing some of the group theoretical properties of quasicrystals . Application of group theory is an underlying element in the analysis of physical properties , so group properties ...

Author: Paul J. Steinhardt

Publisher: World Scientific

ISBN: 9971502275

Category: Science

Page: 767

View: 292

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This book comprises an introductory lecture outlining the basic concepts and challenges in the field. This is followed by a collection of reprinted articles which are important in understanding the subject. The book will focus mainly on mathematical and physical foundations of the subject rather than experimental progress. By concentrating on theoretical topics, this volume has long-lasting as well as immediate value to physicists, crystallographers, metallurgists and mathematicians.

the modulation gives rise to what has been termed, a defect density wave (DDW) (55-57) of same periodicity and whose amplitude ... All these features have led T. Janssen (61) to define quasicrystals as "incommensurable solids without ...

Author: Ekhard K.H. Salje

Publisher: Springer Science & Business Media

ISBN: 9789400928916

Category: Science

Page: 707

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The role played by earth sciences in the scientific community has changed considerably during this century. Since the revolutionary discoveries of global processes such as plate tectonics, there has been an increasing awareness of just how fundamental many of the mechanisms which dominate in these processes depend on the physical properties of the materials of which the earth is made. One of the prime objectives of mineral sciences is now to understand and predict these properties in a truly quantitative manner. The macroscopic properties which are of most immediate interest in this context fall within the conventional definitions of thermodynamics, magnetism, elasticity, dielectric susceptibilities, conductivity etc. These properties reflect the microscopic contributions, at an atomistic level, of harmonic and anharmonic lattice vibrations, ionic and electronic transport as well as a great variety of ordering and clustering phenomena. The advances made by solid state physicists and chemists in defining the underlying phenomena lnvolved in the thermal evolution of materials have stimulated major new research initiatives within the Earth Sciences. Earth Scientists have combined to form active groups within the wider community of solid state and materials scientists working towards a better understanding of those physical processes which govern not only the behaviour of simple model compounds but also that of complex materials like minerals. Concomitant with this change in direction has come an increasing awareness of the need to use the typical working tools of other disciplines.
2012-12-06 By Ekhard K.H. Salje

Consequently, the unusual structure of quasicrystals should be connected with some unusual physical properties (for an overview see [17]). Indeed, structure sensitive properties such as electronic and thermal transport, for instance, ...

Author: Henryk Morawiec

Publisher: World Scientific

ISBN: 9789812387615

Category: Science

Page: 424

View: 922

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This book aims to propagate the newest achievements of applied crystallography among crystallographers, solid state physicists and materials scientists. It presents application of structural studies to materials used in industrial practice rather than those associated with the crystal structure determination only.The proceedings have been selected for coverage in: ? Materials Science Citation Index?? Index to Scientific & Technical Proceedings? (ISTP? / ISI Proceedings)? Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)? CC Proceedings ? Engineering & Physical Sciences
2004 By Henryk Morawiec

Author: Ehab M. Abdel-Rahman

Publisher:

ISBN: OCLC:44555420

Category: Quasicrystals

Page: 302

View: 481

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World Scientific, Singapore (1987) 13. Janot, C.: Quasicrystals: A Primer, Second Edition. Clarendon Press, Oxford (1994) 31. Stadnik, Z. M. (Ed.): Physical Properties of Quasicrystals. Springer-Verlag, Berlin Heidelberg (1999) 32.

Author: Yuri Magarshak

Publisher: Springer Science & Business Media

ISBN: 9789048125234

Category: Technology & Engineering

Page: 416

View: 952

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Even though there is no generally accepted definition of nanotechnologies to be defined as distinct discipline there is an emerging consensus that their advent and development is a growing in importance factor of the contemporary and future technological civilization. One of these most fundamental issues we are confronted with is the compatibility with life itself. From single cell organisms to humans, carbon is a key building block of all molecular structures of life. In contrast the man created electronic industry to build on other elements, of which silicon is the most common. Both carbon and silicon create molecular chains, although different in their internal structure. All life is built from carbon-based chains. As long as the man built technological products do not directly interfere with the physiology of life the associated risks from them are relatively easy to identify. They are primarily in the environmental pollution and the possibility of upsetting the natural balance of biocoenosis, on a planetary scale. The basic life functions are still not directly subverted. We can use TV, computers, drive cars and use other technological utilities without fear of direct interference with our cellular functions. This is in particular because all these technological utilities are many orders of magnitude larger than typical scales of biological activity. Most of biological activity, from fermentative catalysis to DNA replication takes place on nanoscale. The situation is radically different when the technological goals are building nanoscale size products. All biological processes take place on nanoscale.
2009-05-21 By Yuri Magarshak

This book deals with the phenomenological theory of first-order structural phase transitions, with a special emphasis on reconstructive transformations in which a group-subgroup relationship between the symmetries of the phases is absent.

Author: Pierre Tol‚dano

Publisher: World Scientific

ISBN: 9810223641

Category: Science

Page: 397

View: 107

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This book deals with the phenomenological theory of first-order structural phase transitions, with a special emphasis on reconstructive transformations in which a group-subgroup relationship between the symmetries of the phases is absent. It starts with a unified presentation of the current approach to first-order phase transitions, using the more recent results of the Landau theory of phase transitions and of the theory of singularities. A general theory of reconstructive phase transitions is then formulated, in which the structures surrounding a transition are expressed in terms of density-waves, providing a natural definition of the transition order-parameters, and a description of the corresponding phase diagrams and relevant physical properties. The applicability of the theory is illustrated by a large number of concrete examples pertaining to the various classes of reconstructive transitions: allotropic transformations of the elements, displacive and order-disorder transformations in metals, alloys and related structures, crystal-quasicrystal transformations.

Unexpected physical properties The high resistivity of the high structural quality i-phases is one of their most salient properties. Considering these alloys are made entirely of metallic elements, with about 60–70 at.

Author: F. Axel

Publisher: Springer Science & Business Media

ISBN: 9783662042533

Category: Mathematics

Page: 375

View: 103

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This book is a collection of part of the written versions of the Physics Courses given at the Winter School "Order, Chance and Risk: Aperiodic Phenomena from Solid State to Finance" held at the Les Houches Center for Physics, between February 23 and March 6, 1998. The School gathered lecturers and participants from all over the world. On a thematic level, the content of the school can be viewed both as a continuation (aperiodic phenomena in solid state physics) and an extension (mathematical aspects of fmance and economy) of the previous "Beyond Quasicrystals", also held at Les Houches, March 7-18 1994 and published in the same ·series. One of its important goals was to promote in-depth concrete scientific exchanges between theoretical physicists, experimental physicists and mathematicians on the one hand, and on the other hand practitioners of the economico-fmancial sphere and specialists of financial mathematics. Therefore, besides the mathematical tools and concepts at work in theoretical descriptions, relevant experimental data were also presented together with methods allowing their interpretation. As a result of this choice, the School was stimulated by experimentalists and fmancial market operators who joined the theoretical physicists and mathematicians at the conference. The present volume deals with the theoretical and experimental studies on aperiodic solids with long range order, incommensurate phases, quasicrystals, glasses, and more complex systems (fractal, chaotic), while a second volume to appear in the same series is devoted to the finance and economy facet.
2013-06-29 By F. Axel

In: Stadnik ZM (ed) Physical properties of quasicrystals. Springer-Verlag Janot C (1994) Quasicrystals: a primer. Oxford University Press, Oxford Janssen T, Chapuis G, de Boissieu M (2007) Aperiodic crystals: from modulated phases to ...

Author: Luca Bindi

Publisher: Springer Nature

ISBN: 9783030456771

Category: Science

Page: 89

View: 598

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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.
2020-04-20 By Luca Bindi

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.

Author: Christian Janot

Publisher: Oxford University Press

ISBN: 9780199657407

Category: Science

Page: 409

View: 937

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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.
2012-10-18 By Christian Janot

Since the establishment of a new class of material 'the quasicrystal' in 1984, physical properties of quasicrystals have attracted much attention by solid-state physicists and materials scientists. The mechanical property is one of them ...

Author:

Publisher: Elsevier

ISBN: 0080555977

Category: Science

Page: 374

View: 634

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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 quasicrystals. · Comprehensive reviews by experts in the field · Complete reference of original papers and new topics · Intelligible introduction of quasicrystals by experts
2007-12-17 By

J. K. Woodworth, J. C. Terrance, and M. M. Hoffmann, 2006. Using nuclear magnetic resonance spectroscopy for measuring ternary phase diagrams. Journal of Chemical Education, 83, 1064. Quasicrystals Special issue on quasicrystals.

Author: Mary Anne White

Publisher: CRC Press

ISBN: 9781439895320

Category: Technology & Engineering

Page: 469

View: 897

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Designed for advanced undergraduate students, Physical Properties of Materials, Second Edition establishes the principles that control the optical, thermal, electronic, magnetic, and mechanical properties of materials. Using an atomic and molecular approach, this introduction to materials science offers students a wide-ranging survey of the field and a basis to understand future materials. The author incorporates comments on applications of materials science, extensive references to the contemporary and classic literature, and problems at the end of each chapter. In addition, unique tutorials allow students to apply the principles to understand applications, such as photocopying, magnetic devices, fiber optics, and more. This fully revised and updated second edition presents a discussion of materials sustainability, a description of crystalline structures, and discussion of current and recent developments, including graphene, carbon nanotubes, nanocomposites, magnetocaloric effect, and spintronics. Along with a new capstone tutorial on the materials science of cymbals, this edition contains more than 60 new end-of-chapter problems, bringing the total to 300 problems. Web Resource The book’s companion website (www.physicalpropertiesofmaterials.com) provides updates to the further reading sections, links to relevant movies and podcasts for each chapter, video demonstrations, and additional problems. It also offers sources of demonstration materials for lectures and PowerPoint slides of figures from the book. More information can be found on a recent press release describing the book and the website.
2011-06-28 By Mary Anne White

References Dubois, J.M. (1998) Introduction to Quasicrystals, Springer Verlag, Berlin, 392 p. Takeuchi, S. (1994) Physical properties of quasicrystals - an experimental review, Mater. Sci. Forum 150&151, 35-52.

Author: Marie-Isabelle Baraton

Publisher: Springer Science & Business Media

ISBN: 9789401007023

Category: Technology & Engineering

Page: 317

View: 706

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The NATO Advanced Study Institute on "Functional Gradient Materials and Surface Layers Prepared by Fine Particles Technology" was held in Kiev (Ukraine) on June 18- 28, 2000 where more than 90 participants, ranging from Ph.D. students to experienced senior scientists, met and exchanged ideas. This meeting was aimed at stimulating the research work across traditional disciplinary lines by bringing together scientists from diverse research areas related to functional gradient materials and surface layers. It also intended to give opportunities for initiating collaborative works between scientists from NATO and Partner countries and to trigger fruitful and exciting discussions between experienced and young researchers. In this respect, this NATO-ASI has been quite successful. The term of functional gradient materials which originates from Japan in the 1980's describes a class of engineering materials with spatially inhomogeneous microstructures and properties (MRS Bulletin, 1995,20, N°l). These materials can be successfully utilized in various applications like electronic devices, optical films, anti wear and anti-corrosion coatings, thermal barrier coatings, biomaterials, to name only a few. Although these functional gradient materials are not fundamentally new, the use of nanoparticles in their fabrication and in surface layers as well has greatly improved their performances to meet challenging requirements for industrial applications.
2012-12-06 By Marie-Isabelle Baraton

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