Interface Phonons and Polaron Effect in Quantum Wires

The theory of large radius polaron in the quantum wire is developed. The interaction of charge particles with interface optical phonons as well as with optical phonons localized in the quantum wire is taken into account. The interface phonon contribution is shown to be dominant for narrow quantum wi...

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Bibliographic Details
Published in:Nanoscale research letters 2010-11, Vol.5 (11), p.1744-1748
Main Authors: Maslov, A. Yu, Proshina, O. V.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
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Summary:The theory of large radius polaron in the quantum wire is developed. The interaction of charge particles with interface optical phonons as well as with optical phonons localized in the quantum wire is taken into account. The interface phonon contribution is shown to be dominant for narrow quantum wires. The wave functions and polaron binding energy are found. It is determined that polaron binding energy depends on the electron mass inside the wire and on the polarization properties of the barrier material.
ISSN:1931-7573
1556-276X
DOI:10.1007/s11671-010-9704-0