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2003 | 103 | 6 | 649-657
Article title

Topographical, Magnetic and Optical Studies of (II,Mn)VI Quantum Structures Grown on (Ga,Mn)As

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EN
Abstracts
EN
We report on an overgrowth of quantum structures consisting of diluted magnetic semiconductor CdMnTe quantum wells with non-magnetic barriers made of CdMgTe or ZnTe on ferromagnetic MnAs and GaMnAs films by molecular beam epitaxy. Atomic force microscopy images of the quantum structures grown on MnAs demonstrated the existence of two types of regions on the surface: protruded islands with micrometric sizes, surrounded by areas of small-scale roughness. Magnetic force microscopy study of these samples revealed a magnetic domain structure only on the above mentioned islands. The (II,Mn)VI quantum wells grown on GaMnAs films exhibited relatively smooth surface, but no magnetic force microscopy signal was measurable either before or after magnetizing the sample. In the luminescence spectra of all our quantum structures the emission attributed to CdMnTe quantum wells was observed. The influence of magnetization on the luminescence line position was investigated.
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Contributors
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Paul Drude Institut für Festkörperelektronik, Berlin, Germany
author
  • IMEC, Interuniversity Microelectronics Center (IMEC), Leuven, Belgium
author
  • IMEC, Interuniversity Microelectronics Center (IMEC), Leuven, Belgium
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
References
  • 1. F. Matsukura, H. Ohno, T. Dietl, in: Handbook of Magnetic Materials, Ed. K.H.J. Buschow, Vol. 14, North-Holland, Amsterdam 2002, p. 1
  • 2. M. Ghali, J. Kossut, E. Janik, K. Regiński, Ł. Kłopotowski, Solid State Commun., 119, 371, 2001
  • 3. A. Kudelski, K. Fronc, J. Wróbel, S. Maćkowski, G.Cywiński, M. Aleszkiewicz, F. Kyrychenko, T. Wojtowicz, J. Kossut, Solid State Commun., 120, 35, 2001
  • 4. L. Däweritz, F. Schippan, A. Trampert, M. Kästner, G. Behme, Z.M. Wang, M. Moreno, P. Schützendübe, K.H. Ploog, J. Crystal Growth, 227-228, 843, 2001
  • 5. J. De Boeck, R. Oesterholt, A. Van Esch, H. Bender, C. Bruynseraede, C. Van Hoof, G. Borghs, Appl. Phys. Lett., 68, 2744, 1996
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv103n618kz
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