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Advanced Ferroelectricity

Robert Blinc

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199570942
eISBN:
9780191728631
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199570942.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

The field of ferroelectricity has greatly expanded and changed recently. In addition to classical organic and inorganic ferroelectrics as well as composite ferroelectrics new fields and materials ... More


SYSTEMATIC CRYSTAL CHEMISTRY

Sander Van Smaalen

in Incommensurate Crystallography

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198570820
eISBN:
9780191718762
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570820.003.0011
Subject:
Physics, Crystallography

This chapter gives an overview of compounds with incommensurate crystal structures. Superspace is an excellent tool for crystal chemical considerations, as it is demonstrated for selected classes of ... More


Magnetic structures

Erich H. Kisi and Christopher J. Howard

in Applications of Neutron Powder Diffraction

Published in print:
2008
Published Online:
January 2009
ISBN:
9780198515944
eISBN:
9780191705663
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198515944.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter opens with a brief description of the very wide variety of magnetically ordered structures, both commensurate (with crystal structure) and incommensurate. The concepts of magnetic ... More


Analysis of extended inorganic structures

John Evans

in Crystal Structure Analysis: Principles and Practice

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199219469
eISBN:
9780191722516
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199219469.003.0014
Subject:
Physics, Crystallography

Extended (polymeric) inorganic structures present different problems to crystallographers than molecular structures. The samples are often tiny crystals, atomic scattering powers vary widely, and ... More


Lattice-induced strain

I. David Brown

in The Chemical Bond in Inorganic Chemistry: The Bond Valence Model

Published in print:
2006
Published Online:
January 2010
ISBN:
9780199298815
eISBN:
9780191708879
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199298815.003.0012
Subject:
Physics, Crystallography

Once the bond network is known, ideal bond lengths can be calculated from the theoretical bond valences described in Chapter 3, but these cannot always be embedded in three-dimensional space without ... More


Incommensurate systems

Robert Blinc

in Advanced Ferroelectricity

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199570942
eISBN:
9780191728631
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199570942.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

Incommensurate systems show long‐range order, but lack translational periodicity. They cannot be described within the three‐dimensional lattice space groups. In these systems a local atomic property ... More


Aperiodic Crystals: From Modulated Phases to Quasicrystals: Structure and Properties

Ted Janssen, Gervais Chapuis, and Marc de Boissieu

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198824442
eISBN:
9780191863288
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198824442.001.0001
Subject:
Physics, Crystallography, Condensed Matter Physics / Materials

Until the 1970s all materials studied consisted of periodic arrays of unit cells, or were amorphous. In the following decades a new class of solid state matter, called aperiodic crystals, has been ... More


Introduction

Ted Janssen, Gervais Chapuis, and Marc de Boissieu

in Aperiodic Crystals: From Modulated Phases to Quasicrystals: Structure and Properties

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198824442
eISBN:
9780191863288
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198824442.003.0001
Subject:
Physics, Crystallography, Condensed Matter Physics / Materials

First a general description of the concept of crystalline structures is presented with some historical background information. The classical approach of periodic structures is presented along with ... More


Structure

Ted Janssen, Gervais Chapuis, and Marc de Boissieu

in Aperiodic Crystals: From Modulated Phases to Quasicrystals: Structure and Properties

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198824442
eISBN:
9780191863288
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198824442.003.0004
Subject:
Physics, Crystallography, Condensed Matter Physics / Materials

This chapter discusses the X-ray and neutron diffraction methods used to study the atomic structures of aperiodic crystals, addressing indexing diffraction patterns, superspace, ab initio methods, ... More


Other topics

Ted Janssen, Gervais Chapuis, and Marc de Boissieu

in Aperiodic Crystals: From Modulated Phases to Quasicrystals: Structure and Properties

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198824442
eISBN:
9780191863288
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198824442.003.0007
Subject:
Physics, Crystallography, Condensed Matter Physics / Materials

The law of rational indices to describe crystal faces was one of the most fundamental law of crystallography and is strongly linked to the three-dimensional periodicity of solids. This chapter ... More


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