Phys. Rev. B 46, 7957(R) (1992) - Magneto-optical probe of two-dimensional electron liquid and solid phases

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Magneto-optical probe of two-dimensional electron liquid and solid phases

E. M. Goldys, S. A. Brown, R. B. Dunford, A. G. Davies, R. Newbury, R. G. Clark, P. E. Simmonds, J. J. Harris, and C. T. Foxon

Phys. Rev. B 46, 7957(R) – Published 15 September 1992

Abstract

Band-gap photoluminescence (PL) is used to establish the optical signature of a GaAs- ${Ga}_{1 - x}$ ${Al}_{x}$ As heterojunction in the extreme quantum limit. The temperature and field dependence of new PL structure maps a phase boundary which correlates with the electron liquid-solid transition.

Received 6 July 1992

DOI:https://doi.org/10.1103/PhysRevB.46.7957

©1992 American Physical Society

Authors & Affiliations

E. M. Goldys, S. A. Brown, R. B. Dunford, A. G. Davies, R. Newbury, and R. G. Clark

School of Physics, University of New South Wales, P.O. Box 1, Kensington 2033, Australia

Department of Physics, University of Wollongong, P.O. Box 1144, Wollongong 2500, Australia

Interdisciplinary Research Centre for Semiconductor Materials, University of London, Prince Consort Road, London SW7 2BZ, United Kingdom

Department of Physics, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom

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Vol. 46, Iss. 12 — 15 September 1992

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