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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.
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Official URL: http://dx.doi.org/10.1016/j.physe.2003.11.249
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 |
| Date: | April 2004 |
| Volume: | 22 |
| Number: | 1-3 |
| Number of Pages: | 4 |
| Page Range: | pp. 201-204 |
| Identification Number: | 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 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/8457 |
Data sourced from Thomson Reuters' Web of Knowledge
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