Proton irradiation effects on the intersubband transition in GaAs/AlGaAs multiple quantum wells with bulk or superlattice barriers

M. O. Manasreh; P. Ballet; J. B. Smathers; G. J. Salamo; Chennupati Jagadish

doi:10.1063/1.124436

Proton irradiation effects on the intersubband transition in GaAs/AlGaAs multiple quantum wells with bulk or superlattice barriers

M. O. Manasreh^*, P. Ballet, J. B. Smathers, G. J. Salamo, Chennupati Jagadish

^*Corresponding author for this work

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

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Abstract

The behavior of the optical absorption spectra of the intersubband transitions in GaAs/AlGaAs multiple quantum wells (MQW) under the influence of 1 MeV proton irradiation and doses ranging between 1.0×10¹⁴ and 5.0×10¹⁴ cm^-2 was studied. The total integrated area of the intersubband transitions are dramatically decreased as the irradiation dose is increased. This reduction was interpreted as being due to the trapping of the two-dimensional electron gas by the irradiation induced defects.

Original language	English
Pages (from-to)	525-527
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	4
DOIs	https://doi.org/10.1063/1.124436
Publication status	Published - 26 Jul 1999

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abstract = "The behavior of the optical absorption spectra of the intersubband transitions in GaAs/AlGaAs multiple quantum wells (MQW) under the influence of 1 MeV proton irradiation and doses ranging between 1.0×1014 and 5.0×1014 cm-2 was studied. The total integrated area of the intersubband transitions are dramatically decreased as the irradiation dose is increased. This reduction was interpreted as being due to the trapping of the two-dimensional electron gas by the irradiation induced defects.",

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AU - Manasreh, M. O.

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AU - Salamo, G. J.

AU - Jagadish, Chennupati

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N2 - The behavior of the optical absorption spectra of the intersubband transitions in GaAs/AlGaAs multiple quantum wells (MQW) under the influence of 1 MeV proton irradiation and doses ranging between 1.0×1014 and 5.0×1014 cm-2 was studied. The total integrated area of the intersubband transitions are dramatically decreased as the irradiation dose is increased. This reduction was interpreted as being due to the trapping of the two-dimensional electron gas by the irradiation induced defects.

AB - The behavior of the optical absorption spectra of the intersubband transitions in GaAs/AlGaAs multiple quantum wells (MQW) under the influence of 1 MeV proton irradiation and doses ranging between 1.0×1014 and 5.0×1014 cm-2 was studied. The total integrated area of the intersubband transitions are dramatically decreased as the irradiation dose is increased. This reduction was interpreted as being due to the trapping of the two-dimensional electron gas by the irradiation induced defects.

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Proton irradiation effects on the intersubband transition in GaAs/AlGaAs multiple quantum wells with bulk or superlattice barriers

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