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Structural and Optical Properties of the Multilayer Structures Formed by Ge Sub-Critical Insertions in a Si Matrix

Published online by Cambridge University Press:  01 February 2011

George E. Cirlin
Affiliation:
Max-Planck-Institute for Microstructure Physics, Halle D-06120, Germany Institute for Analytical Instrumentation RAS, 194021 St.Petersburg, Russia
Nikolai D. Zakharov
Affiliation:
Max-Planck-Institute for Microstructure Physics, Halle D-06120, Germany
Peter Werner
Affiliation:
Max-Planck-Institute for Microstructure Physics, Halle D-06120, Germany
Alexander G. Makarov
Affiliation:
A.F.Ioffe Phisico-Technical Institute RAS, 194021 St.Petersburg, Russia
Andrei F. Tsatsul'nikov
Affiliation:
A.F.Ioffe Phisico-Technical Institute RAS, 194021 St.Petersburg, Russia
Victor M. Ustinov
Affiliation:
A.F.Ioffe Phisico-Technical Institute RAS, 194021 St.Petersburg, Russia
Nikolai N. Ledentsov
Affiliation:
A.F.Ioffe Phisico-Technical Institute RAS, 194021 St.Petersburg, Russia
Vyatcheslav A. Egorov
Affiliation:
Institute for Analytical Instrumentation RAS, 194021 St.Petersburg, Russia
Ulrich Gösele
Affiliation:
Max-Planck-Institute for Microstructure Physics, Halle D-06120, Germany
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Abstract

Si/Ge multilayer structures formed by the deposition of relatively small amounts of Ge layers (less then the critical thickness for 3D islands formation) are obtained by molecular beam epitaxy. Their structural and optical properties are investigated in detail. Appropriate growth parameter of the stacked island structures lead to significant increasing of the luminescence efficiency even at room temperature.

Type
Research Article
Copyright
Copyright © Materials Research Society 2002

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