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Muon track induced current measurements in semi-insulating GaAs


Eshchenko, D G; Storchak, V G; Cottrell, S P (2009). Muon track induced current measurements in semi-insulating GaAs. Physica B: Condensed Matter, 404(5-7):880-883.

Abstract

We report on preliminary muon-track-induced current measurements in semi-insulating (SI-) GaAs. At View the MathML source, after simultaneous treatment of the sample by muon irradiation and a strong electric field (a square wave with View the MathML source and the polarity changed every View the MathML source s) for approximately 2 h, the sample is transferred to a metastable-like state which is characterized by increased life-times for non-equilibrium electrons and holes. The sample can be returned to the original state by heating up to 250 K. Our results for SI-GaAs suggest a muon-track-induced electric-field-assisted neutralization process for the deep traps.

Abstract

We report on preliminary muon-track-induced current measurements in semi-insulating (SI-) GaAs. At View the MathML source, after simultaneous treatment of the sample by muon irradiation and a strong electric field (a square wave with View the MathML source and the polarity changed every View the MathML source s) for approximately 2 h, the sample is transferred to a metastable-like state which is characterized by increased life-times for non-equilibrium electrons and holes. The sample can be returned to the original state by heating up to 250 K. Our results for SI-GaAs suggest a muon-track-induced electric-field-assisted neutralization process for the deep traps.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:April 2009
Deposited On:24 Apr 2009 14:54
Last Modified:06 Dec 2017 19:35
Publisher:Elsevier
ISSN:0921-4526
Publisher DOI:https://doi.org/10.1016/j.physb.2008.11.146

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