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Acoustic properties of cylindrical nanowires with the elastically dissimilar barriers

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dc.contributor.author NIKA, Denis L.
dc.contributor.author POKATILOV, Evgenii P.
dc.contributor.author BALANDIN, Alexander A.
dc.date.accessioned 2019-10-18T10:07:08Z
dc.date.available 2019-10-18T10:07:08Z
dc.date.issued 2005
dc.identifier.citation NIKA, Denis L., POKATILOV, Evgenii P., BALANDIN, Alexander A. Acoustic properties of cylindrical nanowires with the elastically dissimilar barriers. In: Microelectronics and Computer Science: proc. of the 4th intern. conf., September 15-17, 2005. Chişinău, 2005, vol. 1, pp. 40-43. ISBN 9975-66-038-X. en_US
dc.identifier.isbn 9975-66-038-X
dc.identifier.uri http://repository.utm.md/handle/5014/4831
dc.description.abstract We have theoretically investigated the effect of the coating made of the elastically dissimilar material on the acoustic phonon properties of semiconductor nanowires. It is shown that the acoustic impedance mismatch at the interface between the nanowire and the barrier coating affects dramatically the phonon spectra and group velocities in the nanowires. Coatings made of the materials with a small sound velocity (“acoustically slow”) lead to compression of the phonon energy spectrum and strong reduction of the phonon group velocities. The coatings made of the materials with a high sound velocity (“acoustically fast”) have an opposite effect. Our calculations reveal substantial re-distribution of the elastic deformations in coated nanowires, which results in modification of the phonon transport properties, and corresponding changes in thermal and electrical conduction. en_US
dc.language.iso en en_US
dc.publisher Technical University of Moldova en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject nanowires en_US
dc.subject acoustical phonons en_US
dc.subject coating en_US
dc.subject nanodevices en_US
dc.title Acoustic properties of cylindrical nanowires with the elastically dissimilar barriers en_US
dc.type Article en_US


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