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Lateral periodicity of elastic domains in MnAs/GaAs(001) epitaxial layers studied by high resolution X-ray diffraction

  • Bernd Jenichen , Vladimir M. Kaganer , Claudia Herrmann , Li Wan , Lutz Däweritz and Klaus H. Ploog
Published/Copyright: September 25, 2009

Abstract

Periodic elastic domains in epitaxial films of MnAs(11̅00)/GaAs(001) are studied near the ferromagnetic phase transition. We obtain the period of the domain structure from the observed the X-ray diffraction satellites arising from the lateral periodicity. The application of the X-ray methods provides a high level of accuracy and gives information about average values over areas of several mm2. The observed periods are in a good agreement with those obtained by calculation and minimization of the elastic energy.

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Published Online: 2009-9-25
Published in Print: 2004-4-1

© 2004 Oldenbourg Wissenschaftsverlag GmbH

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