2D Electron gas in non-uniform magnetic fields

B. L. Gallagher, V. Kubrak, A. W. Rushforth, A. C. Neumann, K. W. Edmonds, P. C. Main, M. Henini, C. H. Marrows, B. J. Hickey, S. Thoms, D. E. Dahlberg

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations


We present a review of some of our recent experimental work on hybrid ferromagnet/semiconductor devices in which 2D electrons propagate through magnetic barriers, periodic magnetic modulations, and random magnetic fields.

Original languageEnglish (US)
Pages (from-to)217-230
Number of pages14
JournalActa Physica Polonica A
Issue number3
StatePublished - Sep 2000
EventProceedings of the XXIX International School on Physics of Semiconducting Compounds - Jaszowiec, Poland
Duration: Jun 2 2000Jun 9 2000

Bibliographical note

Funding Information:
Hybrid semiconductor/ferromagnet devices show a wide range of interesting new transport properties. Many are semi-classical in origin and persist up to room temperature. We have recently obtained MR values up to ∼50% at room temperature for large amplitude barriers. These devices have potential as magnetic field sensors, memory or logic elements, and nanomagnetometers. The financial support of the EPSRC (UK) is gratefully acknowledged.


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