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Temperature-dependent high-current breakdown of the quantum Hall effect

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UNSPECIFIED (2004) Temperature-dependent high-current breakdown of the quantum Hall effect. In: 15th International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-15), Nara, JAPAN, JUL 14-18, 2003. Published in: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 22 (1-3). pp. 201-204. ISSN 1386-9477. doi:10.1016/j.physe.2003.11.249

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Official URL: http://dx.doi.org/10.1016/j.physe.2003.11.249

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Abstract

We have developed a model of the high-current breakdown of the integer quantum Hall effect, as measured in contactless experiments using a highly-sensitive torsion balance magnetometer. The model predicts that, for low-mobility samples, the critical current for breakdown should decrease linearly with temperature. This prediction is verified experimentally with the addition of a low-temperature ( < similar to 300 mK) saturation of the critical current. It is shown that this saturation is consistent with quasi-elastic inter-Landau-level scattering when the maximum electric field in the sample reaches a large enough value. (C) 2003 Elsevier B.V. All rights reserved.

Item Type: Conference Item (UNSPECIFIED)
Subjects: T Technology
Q Science > QC Physics
Journal or Publication Title: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Publisher: ELSEVIER SCIENCE BV
ISSN: 1386-9477
Official Date: April 2004
Dates:
DateEvent
April 2004UNSPECIFIED
Volume: 22
Number: 1-3
Number of Pages: 4
Page Range: pp. 201-204
DOI: 10.1016/j.physe.2003.11.249
Publication Status: Published
Title of Event: 15th International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-15)
Location of Event: Nara, JAPAN
Date(s) of Event: JUL 14-18, 2003

Data sourced from Thomson Reuters' Web of Knowledge

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