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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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
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

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