Photoluminescence from two-dimensional electrons in a magnetic field

C. H. Perry; A. Petrou; M. C. Smith; J. M. Worlock; R. L. Aggarwal

doi:10.1016/0022-2313(84)90337-5

Photoluminescence from two-dimensional electrons in a magnetic field

C. H. Perry
, A. Petrou
, M. C. Smith
, J. M. Worlock
, R. L. Aggarwal

Physics

Northeastern University
Telcordia Technologies
Massachusetts Institute of Technology

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

6 Scopus citations

Abstract

Photoluminescence spectroscopy in high magnetic fields has proved to be an informative tool for investigating the behaviour of two dimensional electrons in modulation-doped, n-type GaAs/Al_xGa_1-xAs multiple quantum well (MQW) heterostructures. Two kinds of field dependent excitations are observed: One corresponds to transitions from Landau levels in the conduction band to Landau levels in the valence band (band-to-band transitions with Δl = 0); the second involves conduction band to carbon acceptor (CB → A° and CB → A°^*) Landau transitions. At low temperatures, anomalies are observed in the l= 0 and l= 1 interband transitions which appear to be related to Fermi level-Landau level crossings.

Original language	English
Pages (from-to)	491-493
Number of pages	3
Journal	Journal of Luminescence
Volume	31-32
Issue number	PART 1
DOIs	https://doi.org/10.1016/0022-2313(84)90337-5
State	Published - Dec 1984

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title = "Photoluminescence from two-dimensional electrons in a magnetic field",

abstract = "Photoluminescence spectroscopy in high magnetic fields has proved to be an informative tool for investigating the behaviour of two dimensional electrons in modulation-doped, n-type GaAs/AlxGa1-xAs multiple quantum well (MQW) heterostructures. Two kinds of field dependent excitations are observed: One corresponds to transitions from Landau levels in the conduction band to Landau levels in the valence band (band-to-band transitions with Δl = 0); the second involves conduction band to carbon acceptor (CB → A° and CB → A°*) Landau transitions. At low temperatures, anomalies are observed in the l= 0 and l= 1 interband transitions which appear to be related to Fermi level-Landau level crossings.",

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year = "1984",

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doi = "10.1016/0022-2313(84)90337-5",

language = "English",

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T1 - Photoluminescence from two-dimensional electrons in a magnetic field

AU - Perry, C. H.

AU - Petrou, A.

AU - Smith, M. C.

AU - Worlock, J. M.

AU - Aggarwal, R. L.

PY - 1984/12

Y1 - 1984/12

N2 - Photoluminescence spectroscopy in high magnetic fields has proved to be an informative tool for investigating the behaviour of two dimensional electrons in modulation-doped, n-type GaAs/AlxGa1-xAs multiple quantum well (MQW) heterostructures. Two kinds of field dependent excitations are observed: One corresponds to transitions from Landau levels in the conduction band to Landau levels in the valence band (band-to-band transitions with Δl = 0); the second involves conduction band to carbon acceptor (CB → A° and CB → A°*) Landau transitions. At low temperatures, anomalies are observed in the l= 0 and l= 1 interband transitions which appear to be related to Fermi level-Landau level crossings.

AB - Photoluminescence spectroscopy in high magnetic fields has proved to be an informative tool for investigating the behaviour of two dimensional electrons in modulation-doped, n-type GaAs/AlxGa1-xAs multiple quantum well (MQW) heterostructures. Two kinds of field dependent excitations are observed: One corresponds to transitions from Landau levels in the conduction band to Landau levels in the valence band (band-to-band transitions with Δl = 0); the second involves conduction band to carbon acceptor (CB → A° and CB → A°*) Landau transitions. At low temperatures, anomalies are observed in the l= 0 and l= 1 interband transitions which appear to be related to Fermi level-Landau level crossings.

UR - https://www.scopus.com/pages/publications/0021589269

U2 - 10.1016/0022-2313(84)90337-5

DO - 10.1016/0022-2313(84)90337-5

M3 - Article

AN - SCOPUS:0021589269

SN - 0022-2313

VL - 31-32

SP - 491

EP - 493

JO - Journal of Luminescence

JF - Journal of Luminescence

IS - PART 1

ER -

Photoluminescence from two-dimensional electrons in a magnetic field

Abstract

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