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

Calculated superlattice and interface phonons of InAs/GaSb superlattices / A., Fasolino; MOLINARI, Elisa; J. C., Maan. - In: PHYSICAL REVIEW. B, CONDENSED MATTER. - ISSN 0163-1829. - STAMPA. - 33:(1986), pp. 8889-8891. [10.1103/PhysRevB.33.8889]

Calculated superlattice and interface phonons of InAs/GaSb superlattices

MOLINARI, Elisa;
1986

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
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Calculated superlattice and interface phonons of InAs/GaSb superlattices / A., Fasolino; MOLINARI, Elisa; J. C., Maan. - In: PHYSICAL REVIEW. B, CONDENSED MATTER. - ISSN 0163-1829. - STAMPA. - 33:(1986), pp. 8889-8891. [10.1103/PhysRevB.33.8889]
A., Fasolino; Molinari, Elisa; J. C., Maan
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/744527
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