Hybrid Phonons in Nanostructures

Hardcover | March 2, 2017

byBrian K. Ridley

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The book provides a technical account of the basic physics of nanostructures, which are the foundation of the hardware found in all manner of computers. It will be of interest to semiconductor physicists and electronic engineers and advanced research students. Crystalline nanostructures havespecial properties associated with electrons and lattice vibrations and their interaction. The result of spatial confinement of electrons is indicated in the nomenclature of nonostructures: quantum wells, quantum wires, quantum dots. Confinement also has a profound effect on lattice vibrations. Thedocumentation of the confinement of acoustic modes goes back to Lord Rayleigh's work in the late nineteenth century, but no such documentation exists for optical modes. It is only comparatively recently that any theory of the elastic properties of optical modes exists, and a comprehensive account isgiven in this book. A model of the lattice dynamics of the diamond lattice is given that reveals the quantitative distinction between acoustic and optical modes and the difference of connection rules that must apply at an interface. The presence of interfaces in nanostructures forces thehybridization of longitudinally and transversely polarized modes, along with, in polar material, electromagnetic modes. Hybrid acoustic and optical modes are described, with an emphasis on polar-optical phonons and their interaction with electrons. Scattering rates in single heterostructures,quantum wells and quantum wires are described and the anharmonic interaction in quantum dots discussed. A description is given of the effects of dynamic screening of hybrid polar modes and the production of hot phonons.

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The book provides a technical account of the basic physics of nanostructures, which are the foundation of the hardware found in all manner of computers. It will be of interest to semiconductor physicists and electronic engineers and advanced research students. Crystalline nanostructures havespecial properties associated with electrons ...

Brian K. Ridley gained his B.Sc. in physics from University of Durham in 1953, and later his Ph.D. on colour centres in the alkali halides in 1957. He worked at the Mullard Research Laboratory, Redhill, 1956-1964; before moving to the Department of Physics at the University of Essex, 1964-present. He has been a Full Professor from 1984...

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Format:HardcoverDimensions:176 pages, 9.21 × 6.14 × 0.98 inPublished:March 2, 2017Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0198788363

ISBN - 13:9780198788362

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Table of Contents

Part 1: Basics1. Acoustic Modes2. Optical Modes3. Polar Modes in Zinc Blende4. Boundary Conditions5. Scalar and Vector FieldsPart 2: Hybrid Modes in Nanostructures6. Hybrid Modes in a Non-Polar Slab7. Single Heterostructure8. Quantum Well9. Quantum Wire10. Quantum DotPart 3: Electron-Phonon Interaction11. General Remarks12. Electrons13. Scattering Rate in Single Heterostructure14. Scattering Rate in a Quantum Well15. Scattering Rate in a Quantum Wire16. The Electron-Phonon Interactiong in a Quantum Dot17. Coupled Modes18. Hot Phonon Lifetime