Overflow of a dipolar exciton trap at high magnetic fields
We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from...
Ausführliche Beschreibung
Autor*in: |
Dietl, S. [verfasserIn] |
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Englisch |
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2017transfer abstract |
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9 |
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Enthalten in: A two-stage gap safe screening rule for multi-label optimal margin distribution machine - Ma, Mengdan ELSEVIER, 2022, an interdisciplinary journal on the science and technology of nanostructures, Oxford [u.a.] |
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Übergeordnetes Werk: |
volume:108 ; year:2017 ; pages:42-50 ; extent:9 |
Links: |
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DOI / URN: |
10.1016/j.spmi.2016.12.046 |
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Katalog-ID: |
ELV025391429 |
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520 | |a We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. | ||
520 | |a We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. | ||
650 | 7 | |a Dipolar excitons |2 Elsevier | |
650 | 7 | |a Electrostatic trap |2 Elsevier | |
650 | 7 | |a High exciton density |2 Elsevier | |
650 | 7 | |a Magnetic field |2 Elsevier | |
700 | 1 | |a Kowalik-Seidl, K. |4 oth | |
700 | 1 | |a Schuh, D. |4 oth | |
700 | 1 | |a Wegscheider, W. |4 oth | |
700 | 1 | |a Holleitner, A.W. |4 oth | |
700 | 1 | |a Wurstbauer, U. |4 oth | |
773 | 0 | 8 | |i Enthalten in |n Elsevier Science, Academic Press |a Ma, Mengdan ELSEVIER |t A two-stage gap safe screening rule for multi-label optimal margin distribution machine |d 2022 |d an interdisciplinary journal on the science and technology of nanostructures |g Oxford [u.a.] |w (DE-627)ELV008997705 |
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10.1016/j.spmi.2016.12.046 doi GBVA2017013000021.pica (DE-627)ELV025391429 (ELSEVIER)S0749-6036(16)31495-1 DE-627 ger DE-627 rakwb eng 530 530 DE-600 004 VZ 50.23 bkl 54.72 bkl Dietl, S. verfasserin aut Overflow of a dipolar exciton trap at high magnetic fields 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. Dipolar excitons Elsevier Electrostatic trap Elsevier High exciton density Elsevier Magnetic field Elsevier Kowalik-Seidl, K. oth Schuh, D. oth Wegscheider, W. oth Holleitner, A.W. oth Wurstbauer, U. oth Enthalten in Elsevier Science, Academic Press Ma, Mengdan ELSEVIER A two-stage gap safe screening rule for multi-label optimal margin distribution machine 2022 an interdisciplinary journal on the science and technology of nanostructures Oxford [u.a.] (DE-627)ELV008997705 volume:108 year:2017 pages:42-50 extent:9 https://doi.org/10.1016/j.spmi.2016.12.046 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.23 Regelungstechnik Steuerungstechnik VZ 54.72 Künstliche Intelligenz VZ AR 108 2017 42-50 9 045F 530 |
spelling |
10.1016/j.spmi.2016.12.046 doi GBVA2017013000021.pica (DE-627)ELV025391429 (ELSEVIER)S0749-6036(16)31495-1 DE-627 ger DE-627 rakwb eng 530 530 DE-600 004 VZ 50.23 bkl 54.72 bkl Dietl, S. verfasserin aut Overflow of a dipolar exciton trap at high magnetic fields 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. Dipolar excitons Elsevier Electrostatic trap Elsevier High exciton density Elsevier Magnetic field Elsevier Kowalik-Seidl, K. oth Schuh, D. oth Wegscheider, W. oth Holleitner, A.W. oth Wurstbauer, U. oth Enthalten in Elsevier Science, Academic Press Ma, Mengdan ELSEVIER A two-stage gap safe screening rule for multi-label optimal margin distribution machine 2022 an interdisciplinary journal on the science and technology of nanostructures Oxford [u.a.] (DE-627)ELV008997705 volume:108 year:2017 pages:42-50 extent:9 https://doi.org/10.1016/j.spmi.2016.12.046 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.23 Regelungstechnik Steuerungstechnik VZ 54.72 Künstliche Intelligenz VZ AR 108 2017 42-50 9 045F 530 |
allfields_unstemmed |
10.1016/j.spmi.2016.12.046 doi GBVA2017013000021.pica (DE-627)ELV025391429 (ELSEVIER)S0749-6036(16)31495-1 DE-627 ger DE-627 rakwb eng 530 530 DE-600 004 VZ 50.23 bkl 54.72 bkl Dietl, S. verfasserin aut Overflow of a dipolar exciton trap at high magnetic fields 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. Dipolar excitons Elsevier Electrostatic trap Elsevier High exciton density Elsevier Magnetic field Elsevier Kowalik-Seidl, K. oth Schuh, D. oth Wegscheider, W. oth Holleitner, A.W. oth Wurstbauer, U. oth Enthalten in Elsevier Science, Academic Press Ma, Mengdan ELSEVIER A two-stage gap safe screening rule for multi-label optimal margin distribution machine 2022 an interdisciplinary journal on the science and technology of nanostructures Oxford [u.a.] (DE-627)ELV008997705 volume:108 year:2017 pages:42-50 extent:9 https://doi.org/10.1016/j.spmi.2016.12.046 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.23 Regelungstechnik Steuerungstechnik VZ 54.72 Künstliche Intelligenz VZ AR 108 2017 42-50 9 045F 530 |
allfieldsGer |
10.1016/j.spmi.2016.12.046 doi GBVA2017013000021.pica (DE-627)ELV025391429 (ELSEVIER)S0749-6036(16)31495-1 DE-627 ger DE-627 rakwb eng 530 530 DE-600 004 VZ 50.23 bkl 54.72 bkl Dietl, S. verfasserin aut Overflow of a dipolar exciton trap at high magnetic fields 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. Dipolar excitons Elsevier Electrostatic trap Elsevier High exciton density Elsevier Magnetic field Elsevier Kowalik-Seidl, K. oth Schuh, D. oth Wegscheider, W. oth Holleitner, A.W. oth Wurstbauer, U. oth Enthalten in Elsevier Science, Academic Press Ma, Mengdan ELSEVIER A two-stage gap safe screening rule for multi-label optimal margin distribution machine 2022 an interdisciplinary journal on the science and technology of nanostructures Oxford [u.a.] (DE-627)ELV008997705 volume:108 year:2017 pages:42-50 extent:9 https://doi.org/10.1016/j.spmi.2016.12.046 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.23 Regelungstechnik Steuerungstechnik VZ 54.72 Künstliche Intelligenz VZ AR 108 2017 42-50 9 045F 530 |
allfieldsSound |
10.1016/j.spmi.2016.12.046 doi GBVA2017013000021.pica (DE-627)ELV025391429 (ELSEVIER)S0749-6036(16)31495-1 DE-627 ger DE-627 rakwb eng 530 530 DE-600 004 VZ 50.23 bkl 54.72 bkl Dietl, S. verfasserin aut Overflow of a dipolar exciton trap at high magnetic fields 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. Dipolar excitons Elsevier Electrostatic trap Elsevier High exciton density Elsevier Magnetic field Elsevier Kowalik-Seidl, K. oth Schuh, D. oth Wegscheider, W. oth Holleitner, A.W. oth Wurstbauer, U. oth Enthalten in Elsevier Science, Academic Press Ma, Mengdan ELSEVIER A two-stage gap safe screening rule for multi-label optimal margin distribution machine 2022 an interdisciplinary journal on the science and technology of nanostructures Oxford [u.a.] (DE-627)ELV008997705 volume:108 year:2017 pages:42-50 extent:9 https://doi.org/10.1016/j.spmi.2016.12.046 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.23 Regelungstechnik Steuerungstechnik VZ 54.72 Künstliche Intelligenz VZ AR 108 2017 42-50 9 045F 530 |
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Enthalten in A two-stage gap safe screening rule for multi-label optimal margin distribution machine Oxford [u.a.] volume:108 year:2017 pages:42-50 extent:9 |
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Enthalten in A two-stage gap safe screening rule for multi-label optimal margin distribution machine Oxford [u.a.] volume:108 year:2017 pages:42-50 extent:9 |
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A two-stage gap safe screening rule for multi-label optimal margin distribution machine |
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In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. 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overflow of a dipolar exciton trap at high magnetic fields |
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Overflow of a dipolar exciton trap at high magnetic fields |
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We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. |
abstractGer |
We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. |
abstract_unstemmed |
We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton density is increased by a reduced charge carrier escape from the trap, and additionally, the excitons' emission energy is corrected by a positive diamagnetic shift. At intermediate fields, magnetic field dependent correction terms apply which follow the characteristics of a neutral magnetoexciton. Due to a combined effect of an increasing binding energy and lifetime, the exciton density is roughly doubled from zero to about 7 T. At the latter high field value, the charge carriers occupy only the lowest Landau level. In this situation, the exciton trap can overflow independently from the electrostatic depth of the trapping potential, and the energy shift of the excitons caused by the so-called quantum confined Stark effect is effectively compensated. Instead, the exciton energetics seem to be driven by the magnetic field dependent renormalization of the many-body interaction terms. In this regime, the impact of parasitic in-plane fields at the edge of trapping potential is eliminated. |
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Overflow of a dipolar exciton trap at high magnetic fields |
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