Magneto-optical imaging with diluted magnetic semiconductor quantum wells

Heterostructures containing CdMnTe-diluted magnetic semiconductor quantum wells are proposed as magneto-optic layers (MOL) for high-resolution Faraday microscopy at low temperature. The Faraday rotation is enhanced up to 54.4 deg T−1 by embedding the quantum wells in a semiconductor–metal optical ca...

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Bibliographic Details
Published in:Applied physics letters 2003-01, Vol.82 (2), p.230-232
Main Authors: Gourdon, C., Jeudy, V., Menant, M., Roditchev, D., Tu, Le Anh, Ivchenko, E. L., Karczewski, G.
Format: Article
Language:English
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Summary:Heterostructures containing CdMnTe-diluted magnetic semiconductor quantum wells are proposed as magneto-optic layers (MOL) for high-resolution Faraday microscopy at low temperature. The Faraday rotation is enhanced up to 54.4 deg T−1 by embedding the quantum wells in a semiconductor–metal optical cavity. These MOL allowed the observation of the intermediate state pattern in a superconductor layer with spatial and magnetic resolutions of 1 μm and 10 mT, respectively.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1534617