Incommensurate Crystallography

Hardcover | August 22, 2007

bySander van Smaalen

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For many years it was believed that translational symmetry would be the fundamental property of crystal structures of natural and synthetic compounds. It is now recognised that many compounds crystallise without translational symmetry of their atomic structures. "IncommensurateCrystallography" gives a comprehensive account of the superspace theory for the description of crystal structures and symmetries of these incommensurately modulated crystals and incommensurate composite crystals. It thus provides the necessary background for quantitative analysis of incommensuratecrystals by methods in Solid State Chemistry and Solid State Physics. The second half of "Incommensurate Crystallography" is devoted to crystallographic methods of structural analysis of incommensurate compounds. Thorough accounts are given of the diffraction by incommensurate crystals, the choiceof parameters in structure refinements, and the use of superspace in analysing crystal structures. The presentation of methods of structure determination includes modern methods like the Maximum Entropy Method and Charge Flipping.

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From the Publisher

For many years it was believed that translational symmetry would be the fundamental property of crystal structures of natural and synthetic compounds. It is now recognised that many compounds crystallise without translational symmetry of their atomic structures. "IncommensurateCrystallography" gives a comprehensive account of the super...

Professor Sander van Smaalen Laboratory of Crystallography University of Bayreuth Germany From 1976 until 1981 Sander van Smaalen studied Chemistry at the University of Utrecht. PhD studies at the University of Groningen were completed in December 1985 with a thesis on the superspace analysis of incommensurately modulated crysta...
Format:HardcoverDimensions:288 pages, 9.21 × 6.14 × 0.39 inPublished:August 22, 2007Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0198570821

ISBN - 13:9780198570820

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Table of Contents

1. Structure and diffraction of aperiodic crystals2. Modulated crystals in superspace3. Symmetry of modulated crystals4. Incommensurate composite crystals5. Superstructures and the commensurate approximation6. Quantitative description of the diffraction by aperiodic crystals7. Structure refinements8. Electron density in superspace9. Determination of the superspace group10. Methods of structure solution11. Systematic crystal chemistryAppendices

Editorial Reviews

`There is a need for a self-contained book on the structure analysis of incommensurate crystals. Potential readers of such a book would be all who are involved in structure analysis of aperiodic crystals plus solid state chemists and physicists.'Walter Steurer, Laboratory of Crystallography, ETH Zurich