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Observations of confined acoustic phonons in silicon membranes

โœ Scribed by C. M. Sotomayor Torres; A. Zwick; F. Poinsotte; J. Groenen; M. Prunnila; J. Ahopelto; A. Mlayah; V. Paillard

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
196 KB
Volume
1
Category
Article
ISSN
1862-6351

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Modification of the lattice thermal cond
Modification of the lattice thermal conductivity in silicon quantum wires due to spatial confinement of acoustic phonons
โœ A. Khitun; A. Balandin; K.L. Wang ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 277 KB

Lattice thermal conductivity in silicon quantum wires is theoretically investigated. The bulk of heat in silicon structures is carried by acoustic phonons within a small region in the first Brillouin zone. Our formalism rigorously takes into account modification of these acoustic phonon modes and ph