Transmission Electron Microscopy of Semiconductor Nanostructures
An Analysis of Composition and Strain State
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Beschreibung
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.
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.
Up-to-date overview No related/competitive literature on the market Covers fundamentals and current topics of TEM Highly important technology for future production of nanostructures Includes supplementary material: sn.pub/extras
Autor*in
Andreas Rosenauer
Themen in »Transmission Electron Microscopy of Semiconductor Nanostructures«
Composition determination Quantum dots and quantum wells Segregation Ternary semiconductor nanostructures electron microscopy holography microscopy transmission electron microscopy