Calculated superlattice and interface phonons of InAs/GaSb superlattices

descriptionPublicationkeyboard_double_arrow_right Article 15 Jun 1986 Italy English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 33, pages 8,889-8,891 (issn: 0163-1829,

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Authors: A. Fasolino; MOLINARI, Elisa; J. C. Maan;

doi: 10.1103/physrevb.33.8889

pmid: 9938317

handle: 11380/744527

Calculated superlattice and interface phonons of InAs/GaSb superlattices

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Abstract

The phonon spectrum of InAs/GaSb superlattices is calculated with a linear-chain model with interplanar force constants. Apart from confined and extended modes, as found also in GaAs/GaAlAs superlattices, this system shows new modes localized at the interface. These latter modes depend crucially on the nature (InSb or GaAs) of the interface and some of them do not coincide with any other possible superlattice mode. This fact would make them easily experimentally identifiable.

Country

Italy

Related Organizations

University of Modena and Reggio Emilia
Italy
Max Planck Society
Germany
International School for Advanced Studies
Italy

Keywords

Phono, superlattice

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