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Ab initio structure solution

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/9780198515944.003.0006
Subject:
Physics, Condensed Matter Physics / Materials

This chapter describes general approaches to the ab initio solution of crystal structures from X-ray or neutron powder diffraction data. The steps in the process, unit cell determination and ... More


Direct methods of crystal-structure determination

Peter Main

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/9780199219469.003.0010
Subject:
Physics, Crystallography

Reflection phases are essential for crystal structure solution but are not available experimentally. They can be estimated from probability and other relationships derived from known or assumed ... More


Experimental Survey II: Narrow-Gap Semiconductors

Kamran Behnia

in Fundamentals of Thermoelectricity

Published in print:
2015
Published Online:
March 2015
ISBN:
9780199697663
eISBN:
9780191793462
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199697663.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

The subject of this chapter is the thermoelectric response in semiconductors, which are known to be good thermoelectric materials, because of their high thermoelectric figure of merit. It is recalled ... More


Introduction

Veljko Zlatić and René Monnier

in Modern Theory of Thermoelectricity

Published in print:
2014
Published Online:
June 2014
ISBN:
9780198705413
eISBN:
9780191774430
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198705413.003.0001
Subject:
Physics, Condensed Matter Physics / Materials

This introductory chapter describes the thermoelectric (Seebeck, Peltier, and Thomson) effects and discusses them in the context of environmental sustainability. The figure of merit and the power ... More


Solutions of the transport equations for inhomogeneous thermoelectrics

Veljko Zlatić and René Monnier

in Modern Theory of Thermoelectricity

Published in print:
2014
Published Online:
June 2014
ISBN:
9780198705413
eISBN:
9780191774430
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198705413.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter presents a model showing how, by varying the composition and/or nanostructure of a thermoelectric along its length, the figure of merit can, in principle, be optimized at every point. A ... More


Basic Concepts

Kamran Behnia

in Fundamentals of Thermoelectricity

Published in print:
2015
Published Online:
March 2015
ISBN:
9780199697663
eISBN:
9780191793462
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199697663.003.0001
Subject:
Physics, Condensed Matter Physics / Materials

The thermoelectric phenomena result from entanglement between heat and particle flows. It has a thermodynamic origin. It arises because energy and particle number are both conserved and the flow of ... More


Solutions of the transport equations for homogeneous thermoelectrics

Veljko Zlatić and René Monnier

in Modern Theory of Thermoelectricity

Published in print:
2014
Published Online:
June 2014
ISBN:
9780198705413
eISBN:
9780191774430
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198705413.003.0006
Subject:
Physics, Condensed Matter Physics / Materials

This chapter starts with a solution of the Domenicali equation, which embodies energy conservation in the steady state, for the simple case of constant material parameters σ, κ, and α. rom the ... More


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