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Reconstruction of the spatial structure of current filaments in n‐GaAs in a magnetic field
Brandl, Andreas, Völcker, M. and Prettl, Wilhelm (1989) Reconstruction of the spatial structure of current filaments in n‐GaAs in a magnetic field. Applied Physics Letters 55 (3), p. 238.Date of publication of this fulltext: 18 Oct 2010 11:59
Article
DOI to cite this document: 10.5283/epub.17350
Abstract
The spatial pattern of current filaments generated by impurity breakdown has been investigated in a semiconductor for the first time as a function of the magnetic field. Large asymmetries of shallow impurity excited‐state population were observed occurring at opposite edges of a filament normal to the magnetic field. Deformation of filament boundaries evolves at very low field strengths being comparably small to those which destabilize current flow yielding current fluctuation and chaos.
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| Item type | Article | ||||
| Journal or Publication Title | Applied Physics Letters | ||||
| Publisher: | American Institute of Physics | ||||
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| Volume: | 55 | ||||
| Number of Issue or Book Chapter: | 3 | ||||
| Page Range: | p. 238 | ||||
| Date | 1989 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl | ||||
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| Classification |
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| Keywords | IMPURITY STATES, EXCITATION, ELECTRIC CURRENTS, CHARGED−PARTICLE TRANSPORT, EXCITED STATES, GALLIUM ARSENIDES, DONORS, ELECTRON MOBILITY, FLUCTUATIONS, MAGNETOELECTRIC EFFECTS | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Unknown | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-173509 | ||||
| Item ID | 17350 |
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