Carrier-phonon coupling in GaAs 1xBi x/GaAs quantum wells

A. Chernikov; V. Bornwasser; M. Koch; S. W. Koch; X. Lu; Shane Johnson; D. A. Beaton; T. Tiedje; S. Chatterjee

doi:10.1088/0268-1242/27/8/085012

Carrier-phonon coupling in GaAs _1xBi _x/GaAs quantum wells

A. Chernikov, V. Bornwasser, M. Koch, S. W. Koch, X. Lu, Shane Johnson, D. A. Beaton, T. Tiedje, S. Chatterjee

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The phonon-assisted emission of GaAs _{1 x}Bi _x quantum wells with Bi concentrations up to x=0.055 is investigated by continuous-wave photoluminescence as a function of lattice temperature and excitation density. Strong carrier-phonon coupling is observed manifesting itself in a Huang-Rhys factor of up to 0.3 depending on the lattice temperature and Bi content. Carriers bound to Bi-clusters are identified to be the origin of the efficient carrier-phonon scattering.

Original language	English (US)
Article number	085012
Journal	Semiconductor Science and Technology
Volume	27
Issue number	8
DOIs	https://doi.org/10.1088/0268-1242/27/8/085012
State	Published - Aug 2012

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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abstract = "The phonon-assisted emission of GaAs 1 xBi x quantum wells with Bi concentrations up to x=0.055 is investigated by continuous-wave photoluminescence as a function of lattice temperature and excitation density. Strong carrier-phonon coupling is observed manifesting itself in a Huang-Rhys factor of up to 0.3 depending on the lattice temperature and Bi content. Carriers bound to Bi-clusters are identified to be the origin of the efficient carrier-phonon scattering.",

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AU - Chernikov, A.

AU - Bornwasser, V.

AU - Koch, M.

AU - Koch, S. W.

AU - Lu, X.

AU - Johnson, Shane

AU - Beaton, D. A.

AU - Tiedje, T.

AU - Chatterjee, S.

PY - 2012/8

Y1 - 2012/8

N2 - The phonon-assisted emission of GaAs 1 xBi x quantum wells with Bi concentrations up to x=0.055 is investigated by continuous-wave photoluminescence as a function of lattice temperature and excitation density. Strong carrier-phonon coupling is observed manifesting itself in a Huang-Rhys factor of up to 0.3 depending on the lattice temperature and Bi content. Carriers bound to Bi-clusters are identified to be the origin of the efficient carrier-phonon scattering.

AB - The phonon-assisted emission of GaAs 1 xBi x quantum wells with Bi concentrations up to x=0.055 is investigated by continuous-wave photoluminescence as a function of lattice temperature and excitation density. Strong carrier-phonon coupling is observed manifesting itself in a Huang-Rhys factor of up to 0.3 depending on the lattice temperature and Bi content. Carriers bound to Bi-clusters are identified to be the origin of the efficient carrier-phonon scattering.

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JO - Semiconductor Science and Technology

JF - Semiconductor Science and Technology

IS - 8

M1 - 085012

ER -

Carrier-phonon coupling in GaAs _1xBi _x/GaAs quantum wells

Abstract

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