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The contents of the unit cell

Dennis Sherwood and Jon Cooper

in Crystals, X-rays and Proteins: Comprehensive Protein Crystallography

Published in print:
2010
Published Online:
January 2011
ISBN:
9780199559046
eISBN:
9780191595028
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199559046.003.0009
Subject:
Physics, Crystallography: Physics

This chapter discusses the underlying principles X-ray scattering by a distribution of electrons. The theory is then extended to the diffraction of X-rays by an infinite lattice of molecular motifs ... More


Time-resolved X-ray diffraction

John M. Squire

in Current Methods in Muscle Physiology: Advantages, Problems and Limitations

Published in print:
1998
Published Online:
March 2012
ISBN:
9780198523970
eISBN:
9780191724480
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198523970.003.0010
Subject:
Neuroscience, Techniques

In order to follow in detail the structural changes involved in dynamic molecular events in muscle that are central to the production and regulation of force and movement it is necessary to use a ... More


Diffraction by a three‐dimensional lattice

Dennis Sherwood and Jon Cooper

in Crystals, X-rays and Proteins: Comprehensive Protein Crystallography

Published in print:
2010
Published Online:
January 2011
ISBN:
9780199559046
eISBN:
9780191595028
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199559046.003.0008
Subject:
Physics, Crystallography: Physics

This chapter describes the basis of X-ray diffraction by a three-dimensional crystal and introduces the Laue equations which describe the geometric conditions for constructive interference of X-rays ... More


Experimental aspects

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0009
Subject:
Physics, Crystallography: Physics

Diffraction and practical aspects in the diffraction pattern are described. The characteristics of the structural detail obtainable at different resolutions are then discussed along with implications ... 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


Diffraction

Jenny Pickworth Glusker and Kenneth N. Trueblood

in Crystal Structure Analysis: A Primer

Published in print:
2010
Published Online:
November 2020
ISBN:
9780199576340
eISBN:
9780191917905
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199576340.003.0011
Subject:
Chemistry, Crystallography: Chemistry

A common approach to crystal structure analysis by X-ray diffraction presented in texts that have been written for nonspecialists involves the Bragg equation, and a discussion in terms of ... More


The diffraction of light

Christopher Hammond

in The Basics of Crystallography and Diffraction

Published in print:
2015
Published Online:
August 2015
ISBN:
9780198738671
eISBN:
9780191801938
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198738671.003.0007
Subject:
Physics, Crystallography: Physics, Condensed Matter Physics / Materials

Chapter 7 starts by providing some simple observations of light diffraction—the reciprocal relation between the diffracting object and diffraction pattern. It then looks at the nature of light as ... More


Electron diffraction and its applications

Christopher Hammond

in The Basics of Crystallography and Diffraction

Published in print:
2015
Published Online:
August 2015
ISBN:
9780198738671
eISBN:
9780191801938
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198738671.003.0011
Subject:
Physics, Crystallography: Physics, Condensed Matter Physics / Materials

This chapter starts by looking at wave-particle character of electrons. It also explains the Ewald reflecting sphere construction for electron diffraction and provides an analysis of electron ... More


Autoindexing

Per-Erik Werner

in Structure Determination from Powder Diffraction Data

Published in print:
2006
Published Online:
January 2010
ISBN:
9780199205530
eISBN:
9780191718076
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199205530.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

Assigning hkl indices to the peaks in the powder diffraction pattern is the essential first stage of the data analysis for structure solution. This chapter begins by outlining the basic relationships ... More


On the Appearance of Crystalline Diffraction Patterns

Peter B. Moore

in Visualizing the Invisible: Imaging Techniques for the Structural Biologist

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199767090
eISBN:
9780190267841
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199767090.003.0005
Subject:
Biology, Biochemistry / Molecular Biology

This chapter begins by describing the other information gleaned from the diffraction patterns aside from recognizing the physical attributes of unit cell vectors provided in Chapter 4. It then ... More


Non-Stoichiometric Compounds Derived From Extended Defects

Koji Kosuge

in Chemistry of Non-stoichiometric Compounds

Published in print:
1994
Published Online:
November 2020
ISBN:
9780198555551
eISBN:
9780191916687
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198555551.003.0005
Subject:
Chemistry, Inorganic Chemistry

The non-stoichiometric compounds that we describe in this chapter are closely correlated with the classical non-stoichiometric compounds derived from point defects ... More


Periodicity, symmetry and crystallography

D. S. Sivia

in Elementary Scattering Theory: For X-ray and Neutron Users

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199228676
eISBN:
9780191775116
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199228676.003.0007
Subject:
Physics, Condensed Matter Physics / Materials, Crystallography: Physics

This chapter delves into the crystalline state – the one occupying the top position in the hierarchy of the phases of matter. A look at elastic scattering with a consideration of the crystalline ... More


Diffraction of Plane Electromagnetic Waves by a Cylinder

John A. Adam

in Rays, Waves, and Scattering: Topics in Classical Mathematical Physics

Published in print:
2017
Published Online:
May 2018
ISBN:
9780691148373
eISBN:
9781400885404
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691148373.003.0020
Subject:
Mathematics, Applied Mathematics

This chapter discusses the mathematics underlying the diffraction of plane electromagnetic waves by a cylinder. Radio signals may undergo diffraction. A signal that encounters an obstacle tends to ... More


Periodic systems: Crystal orbitals and lattice dynamics

ANGELO GAVEZZOTTI

in Molecular Aggregation: Structure analysis and molecular simulation of crystals and liquids

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198570806
eISBN:
9780191718779
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570806.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics

A molecular crystal is an array of molecular objects related by symmetry operations, including pure translation: a system endowed by periodic translational symmetry. This chapter considers atomic ... More


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