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Aperiodic Crystals

By Ted Janssen

Aperiodic Crystals

By Ted Janssen

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Description
Until the 1970s all materials studied consisted of periodic arrays of unit cells, or were amorphous. A new class of solid state matter called aperiodic crystals has since been uncovered. It is a long range ordered structure, but without lattice periodicity. It is found in a wide range ofmaterials: organic and anorganic compounds, minerals (including a substantial portion of the earths crust), and metallic alloys, under various pressures and temperatures. Because of the lack of periodicity, the usual techniques for the study of structure and physical properties no longer work, andnew techniques have to be developed. This book deals with the characterisation of the structure, the structure determination and the study of the physical properties, especially dynamical and electronic properties of aperiodic crystals. The treatment is based on a description in a space with more dimensions than three, the so-calledsuperspace. This allows us to generalise the standard crystallography and to look differently at the dynamics. The three main classes of aperiodic crystals, modulated phases, incommensurate composites and quasicrystals are treated from a unified point of view, which stresses similarities of thevarious systems. The book assumes as a prerequisite a knowledge of the fundamental techniques of crystallography and the theory of condensed matter, and covers the literature at the forefront of the field. Since the first edition of this book in 2007, the field of aperiodic crystals has developed considerably, with the discovery of new materials and new structures. Progress has been made in structure determination, in the interpretation and understanding of the structural characteristics and in thecalculation of electrons and phonons. This new edition reflects these new developments, and it includes discussions of natural quasicrystals, incommensurate magnetic and multiferroic structures, photonic and mesoscopic quasicrystals. The second edition also includes a number of new exercises thatgive the reader an opportunityt to check their understanding of the material.
Product details
Binding:
Paperback
Edition:
2
Number of Pages:
552
Release Date:
2018-08-07
Publication Date:
2018-08-01
Publisher:
Oxford University Press(UK)
Languages:
Original: English
ISBN10:
0198824440
ISBN13:
9780198824442
GPSR Manufacturer Reference:
[email protected]
Weight:
828 g
Height:
156 cm
Width:
234 cm
Thickness:
29 cm
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