Open AccessFabrication of radial superlattices based on different hybrid materials
Author(s) -
Deneke Christoph,
Schumann Joachim,
Engelhard Ronny,
Thomas Jürgen,
Sigle Wilfried,
Zschieschang Ute,
Klauk Hagen,
Chuvilin Andrey,
Schmidt Oliver G.
Publication year - 2008
Publication title -
physica status solidi c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 46
eISSN - 1610-1642
pISSN - 1862-6351
DOI - 10.1002/pssc.200779293
Subject(s) - superlattice , heterojunction , materials science , fabrication , semiconductor , planar , layer (electronics) , epitaxy , optoelectronics , nanotechnology , computer science , medicine , alternative medicine , computer graphics (images) , pathology
Abstract The fabrication of radial superlattices is demonstrated for three different hybrid material systems. Inherently strained pseudomorphic InGaAs/Fe 3 Si bilayers are rolled‐up to produce radial semiconductor/magnetic heterostructures. Apart from this epitaxially based material system, radial InAlGaAs/GaAs/Cr superlattices are investigated as an example for periodic semiconductor/metallic multilayers. Finally, rolled‐up InGaAs/GaAs/1‐hexadecanethiol layers are studied as a new class of semiconductor/organic short‐period superlattices. The radial superlattices are examined structurally, and particular attention is paid to the interfaces of the periodic hybrid heterostructures. These investigations reveal that, except for the semiconductor/organic hybrid material system, always a new interface layer forms, modifying the initial rolled‐up layer system. The study demonstrates the potential to fabricate periodic layer systems from pure single‐crystalline material, single‐crystalline/poly‐crystalline material as well as single‐crystalline/non‐crystalline material, which cannot be realized by any planar growth techniques. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)