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Noise in homogeneous semiconductors

Melvin Lax, Wei Cai, and Min Xu

in Random Processes in Physics and Finance

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198567769
eISBN:
9780191718359
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567769.003.0012
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter discusses noise in homogeneous semiconductors which can all be treated by the Lax–Onsager regression theorem. In a homogeneous sample, the density of free carriers of electrons can be ... More


Photochemistry and Excited-State Reactions of Oxides

Bruce C. Bunker and William H. Casey

in The Aqueous Chemistry of Oxides

Published in print:
2016
Published Online:
November 2020
ISBN:
9780199384259
eISBN:
9780197562987
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199384259.003.0020
Subject:
Chemistry, Inorganic Chemistry

The applied voltages that drive electrochemical processes (see Chapter 11) are only one of many energy sources that can be used to activate reactions in oxide molecules and materials. Another ... More


Introduction to k·p Theory

Igor Vurgaftman, Matthew P. Lumb, and Jerry R. Meyer

in Bands and Photons in III-V Semiconductor Quantum Structures

Published in print:
2020
Published Online:
January 2021
ISBN:
9780198767275
eISBN:
9780191821431
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198767275.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The so-called k·p theory provides an effective framework for modeling the band structures of III–V semiconductors. This approach starts with a handful of bands that are coupled in accordance with the ... More


Short-wavelength QCLs

Jérôme Faist

in Quantum Cascade Lasers

Published in print:
2013
Published Online:
May 2013
ISBN:
9780198528241
eISBN:
9780191755545
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528241.003.0008
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses short wavelength quantum cascade lasers covering conduction band discontinuity and performance, heterostructure materials, and strain-compensated InxGa1−xAs/AlyIn1−yAs/InP ... More


The Exciton Concept

Monique Combescot and Shiue-Yuan Shiau

in Excitons and Cooper Pairs: Two Composite Bosons in Many-Body Physics

Published in print:
2015
Published Online:
March 2016
ISBN:
9780198753735
eISBN:
9780191815287
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198753735.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

Chapter 2 introduces the concept of excitons. Excitons are spatially coherent excitations extending over a macroscopic volume. Such coherent excitations can result either from atomic excitation ... More


Introduction To Solids And Their Interfaces

Abraham Nitzan

in Chemical Dynamics in Condensed Phases: Relaxation, Transfer and Reactions in Condensed Molecular Systems

Published in print:
2006
Published Online:
November 2020
ISBN:
9780198529798
eISBN:
9780191916649
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198529798.003.0009
Subject:
Chemistry, Physical Chemistry

The study of dynamics of molecular processes in condensed phases necessarily involves properties of the condensed environment that surrounds the system under consideration. This chapter provides ... More


Homogeneous Semiconductors

J. B. Ketterson

in The Physics of Solids

Published in print:
2016
Published Online:
December 2016
ISBN:
9780198742906
eISBN:
9780191821523
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198742906.003.0022
Subject:
Physics, Condensed Matter Physics / Materials

A semiconductor can be regarded as an insulator with a narrow band gap, εg. Semiconductors may be divided into two classes: those for which the points in k-space corresponding to the highest occupied ... More


Space-charge waves

B. K. Ridley FRS

in Quantum Processes in Semiconductors

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199677214
eISBN:
9780191760624
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199677214.003.0013
Subject:
Physics, Condensed Matter Physics / Materials

Energy and momentum relaxation can be characterised by time constants that are often picoseconds or less. At times longer than this, the typically slower processes of trapping and recombination are ... More


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