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Current-induced spatial patterns of photoluminescence in AlxGa1-xAs/GaAs heterojunctions at quantizing magnetic fields
Novák, V., Svonoda, P., Kreuzer, Sebastian, Wegscheider, Werner and Prettl, Wilhelm (2001) Current-induced spatial patterns of photoluminescence in AlxGa1-xAs/GaAs heterojunctions at quantizing magnetic fields. Physical Review B 64 (16), p. 165302.Date of publication of this fulltext: 30 Nov 2009 14:06
Article
DOI to cite this document: 10.5283/epub.11186
Abstract
A strong spontaneous spatial modulation of the photoluminescence near the AlGaAs/GaAs heterojunction has been found, if an external current and a quantizing magnetic field were applied to a homogeneously illuminated sample. A pattern of quenched and enhanced photoluminescence has been observed whose form varies synchronously with Shubnikov-de Haas oscillations. A phenomenological model of the effect is presented.
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| Item type | Article | ||||
| Journal or Publication Title | Physical Review B | ||||
| Publisher: | AMER PHYSICAL SOC | ||||
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| Place of Publication: | COLLEGE PK | ||||
| Volume: | 64 | ||||
| Number of Issue or Book Chapter: | 16 | ||||
| Page Range: | p. 165302 | ||||
| Date | 28 September 2001 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider | ||||
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| Keywords | QUANTUM HALL REGIME; DIMENSIONAL ELECTRON-GAS; EDGE CHANNELS; SINGLE HETEROJUNCTIONS; INTEGER; HETEROSTRUCTURES; GAAS; GAAS/ALXGA1-XAS; | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Unknown | ||||
| Created at the University of Regensburg | Unknown | ||||
| Item ID | 11186 |
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