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Linear dichroism as a tool for the investigation of ferromagnetic semiconductors

For standard ferromagnetic materials like Fe or Co circular dichroism is a useful investigation tool. The same has also been tried for ferromagnetic semiconductors like GaMnAs. An additional signal can also be obtained from linear dichroism, which is typically week in ferromagnetic metals. During the project it has turned out that the linear dichroism in GaMnAs is strong and can be used for the optical investigation of the switching properties of the material.

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Radboud Universiteit Nijmegen
Toernooiveld 1
6525 ED Nijmegen
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