Transmission Electron Microscopy of Semiconductor Nanostructures

An Analysis of Composition and Strain State

Transmission Electron Microscopy of Semiconductor Nanostructures

An Analysis of Composition and Strain State

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This book provides tools well suited for the quantitative investigation of semiconductor electron microscopy. These tools allow for the accurate determination of the composition of ternary semiconductor nanostructures with a spatial resolution at near atomic scales. The book focuses on new methods including strain state analysis as well as evaluation of the composition via the lattice fringe analysis (CELFA) technique. The basics of these procedures as well as their advantages, drawbacks and sources of error are all discussed. The techniques are applied to quantum wells and dots in order to give insight into kinetic growth effects such as segregation and migration. In the first part of the book the fundamentals of transmission electron microscopy are provided. These are needed for an understanding of the digital image analysis techniques described in the second part of the book. There the reader will find information on different methods of composition determination. The third part of the book focuses on applications such as composition determination in InGaAs Stranski--Krastanov quantum dots. Finally it is shown how an improvement in the precision of the composition evaluation can be obtained by combining CELFA with electron holography. This is demonstrated for an AlAs/GaAs superlattice.

Theoretical Fundamentals of Transmission Electron Microscopy
Electron Diffraction
Image Formation
Digital Image Analysis
Strain State Analysis
Lattice Fringe Analysis
Applications
In0.6Ga0.4As/GaAs(001) SK Layers
InAs Quantum Dots
Electron Holography: AlAs/GaAs Superlattices
Outlook.
ISBN 978-3-662-14618-7
Artikelnummer 9783662146187
Medientyp Buch
Auflage Softcover reprint of the original 1st ed. 2003
Copyrightjahr 2013
Verlag Springer, Berlin
Umfang XII, 241 Seiten
Abbildungen XII, 241 p. 233 illus., 47 illus. in color.
Sprache Englisch