Magnetometry of low-dimensional electron and hole systems

Usher, A. and Elliott, Martin ORCID: https://orcid.org/0000-0002-9254-9898 2009. Magnetometry of low-dimensional electron and hole systems. Journal of Physics: Condensed Matter 21 (10) , 103202. 10.1088/0953-8984/21/10/103202

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Abstract

The high-magnetic-field, low-temperature magnetic properties of low-dimensional electron and hole systems reveal a wealth of fundamental information. Quantum oscillations of the thermodynamic equilibrium magnetization yield the total density of states, a central quantity in understanding the quantum Hall effect in 2D systems. The magnetization arising from non-equilibrium circulating currents reveals details, not accessible with traditional measurements, of the vanishingly small longitudinal resistance in the quantum Hall regime. We review how the technique of magnetometry has been applied to these systems, the most important discoveries that have been made, and their theoretical significance.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	IOP Publishing
ISSN:	0953-8984
Last Modified:	20 Oct 2022 07:47
URI:	https://orca.cardiff.ac.uk/id/eprint/26382

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