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Books > Science & Mathematics > Physics > States of matter > Condensed matter physics (liquids & solids)
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Hybrid Phonons in Nanostructures (Hardcover)
Loot Price: R2,115
Discovery Miles 21 150
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Hybrid Phonons in Nanostructures (Hardcover)
Series: Series on Semiconductor Science and Technology, 20
Expected to ship within 12 - 17 working days
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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 have special properties associated with
electrons and lattice vibrations and their interaction. The result
of spatial confinement of electrons is indicated in the
nomenclature of nanostructures: quantum wells, quantum wires,
quantum dots. Confinement also has a profound effect on lattice
vibrations. The documentation 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 is given 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 the hybridization 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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