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Incommensurate Crystallography

Sander van Smaalen

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198570820
eISBN:
9780191718762
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570820.001.0001
Subject:
Physics, Crystallography: Physics

Aperiodic crystals are crystalline materials with atomic structures that lack translational symmetry. This book gives a comprehensive account of the superspace theory for the description of the ... More


Variations and Miscellaneous Works

William Kinderman

in Mozart's Piano Music

Published in print:
2006
Published Online:
May 2008
ISBN:
9780195100679
eISBN:
9780199868315
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195100679.003.0004
Subject:
Music, History, Western

This chapter considers all of Mozart's variations sets, beginning with his Eight Variations on a Dutch song, K. 24, and ending with late sets such as the “Duport” Variations, K. 573, and the Eight ... More


STRUCTURE

Ted Janssen, Gervais Chapuis, and Marc de Boissieu

in Aperiodic Crystals: From Modulated Phases to Quasicrystals

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198567776
eISBN:
9780191718335
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567776.003.0004
Subject:
Physics, Crystallography: Physics

This chapter discusses the methods for determining the structure of crystals. Topics covered include diffraction techniques, determination of modulated phases and composites, structure determination ... More


The Hanle effect and the theory of resonance fluorescence experiments

Alan Corney

in Atomic and Laser Spectroscopy

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.003.0015
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter provides an account of atomic resonance fluorescence and its depolarization by external magnetic fields, also known as the Hanle effect. Experiments in mercury vapour and their ... More


Optical double resonance experiments

Alan Corney

in Atomic and Laser Spectroscopy

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.003.0016
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter explains the excitation of atoms by polarized resonance radiation and their interaction with static and radio-frequency fields, known as optical double-resonance. The Brossel-Bitter ... More


STRUCTURE AND DIFFRACTION OF APERIODIC CRYSTALS

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/9780198570820.003.0001
Subject:
Physics, Crystallography: Physics

This chapter gives an introduction to the distinctive structural features of aperiodic crystals, including incommensurately modulated crystals, composite crystals, and quasicrystals. Atomic ... More


MODULATED CRYSTALS IN SUPERSPACE

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/9780198570820.003.0002
Subject:
Physics, Crystallography: Physics

This chapter introduces the superspace theory for the description of the crystal structures of incommensurately modulated crystals. Two alternative constructions of superspace are presented. In ... More


SYMMETRY OF MODULATED CRYSTALS

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/9780198570820.003.0003
Subject:
Physics, Crystallography: Physics

This chapter gives a comprehensive account of the symmetry of incommensurately modulated crystals. Diffraction symmetry is shown to be given by a crystallographic point group as it is known from the ... More


SUPERSTRUCTURES AND THE COMMENSURATE APPROXIMATION

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/9780198570820.003.0005
Subject:
Physics, Crystallography: Physics

This chapter develops the relation between crystal structures of aperiodic crystals and superstructures. Superstructures are described as commensurately modulated structures, and it is shown that ... More


Spherical-wave dynamical theory: Ii. Takagi’s theory

ANDRÉ AUTHIER

in Dynamical Theory of X-Ray Diffraction

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198528920
eISBN:
9780191713125
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528920.003.0011
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter describes Takagi's dynamical theory of the diffraction of incident spherical waves. It considers the crystal wave to be developed as a sum of modulated waves. The fundamental equations ... 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


Stellar Dynamos

Leon Mestel

in Stellar Magnetism

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

There now exists many illustrative models of laminar, kinematic dynamos that avoid Cowling's negative result. In Parker's kinematic model of a ‘self-exciting’, turbulent stellar dynamo, the toroidal ... More


The evolution of water-breathing respiratory faculties in craniotes

Steven F. Perry, Markus Lambertz, and Anke Schmitz

in Respiratory Biology of Animals: evolutionary and functional morphology

Published in print:
2019
Published Online:
November 2019
ISBN:
9780199238460
eISBN:
9780191864056
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199238460.003.0014
Subject:
Biology, Animal Biology, Developmental Biology

The major components of the respiratory faculty (gill structure, muscular ventilation, central heart and erythrocyte-containing blood, and pH-sensitive control of breathing) appear to have been ... More


First Movement: Etwas lebhaft und mit der innigsten Empfindung Allegretto, ma non troppo

Heinrich Schenker and John Rothgeb

in Piano Sonata in A Major, Op. 101: Beethoven's Last Piano Sonatas, An Edition with Elucidation, Volume 4

Published in print:
2015
Published Online:
September 2015
ISBN:
9780199914265
eISBN:
9780190243647
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199914265.003.0001
Subject:
Music, Theory, Analysis, Composition

The chapter gives an overview of the sonata form in which the first movement of Op. 101 is composed. The formal components are assembled in an unusually concentrated manner such that in the First ... More


Modified Growth Techniques

John Orton and Tom Foxon

in Molecular Beam Epitaxy: A Short History

Published in print:
2015
Published Online:
August 2015
ISBN:
9780199695829
eISBN:
9780191748844
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199695829.003.0005
Subject:
Physics, History of Physics

Modified MBE growth methods include gas source MBE, the use of modulated beams and the use of surfactant molecules. Gas source MBE replaces solid source effusion cells with gaseous sources controlled ... More


Steric Strain

I. David Brown

in The Chemical Bond in Inorganic Chemistry

Published in print:
2016
Published Online:
November 2016
ISBN:
9780198742951
eISBN:
9780191802935
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198742951.003.0011
Subject:
Physics, Crystallography: Physics, Condensed Matter Physics / Materials

Steric strain arises when the chemically predicted bond networks cannot be mapped into three-dimensional space (Section 11.1) without stretching or compressing the bonds. Strain is measured by the ... 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: Physics, 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: Physics, 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


Division Following the Home-Key Dominant

L. Poundie Burstein

in Journeys Through Galant Expositions

Published in print:
2020
Published Online:
October 2020
ISBN:
9780190083991
eISBN:
9780190084028
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190083991.003.0009
Subject:
Music, Theory, Analysis, Composition

In many Galant expositions, the punctuation sequence is demarcated by a single pronounced half-cadential break that follows a resting point on V of the home key. In many of these cases, the break ... More


Tonal-Formal Disjunction

Jason Yust

in Organized Time: Rhythm, Tonality, and Form

Published in print:
2018
Published Online:
May 2018
ISBN:
9780190696481
eISBN:
9780190696511
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190696481.003.0013
Subject:
Music, Theory, Analysis, Composition

This chapter classifies possible types of tonal–formal disjunction in sonata forms and gives a historical account of each technique in the works of Beethoven and Schubert, illustrated with a number ... More


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