A comparative study of the molecular-beam epitaxial growth of Ag/Fe, Ag/Cr, and Fe/Cr superlattices on GaAs (001)
J. Appl. Phys. 67, 5400 (1990); doi:10.1063/1.344566
Issue Date: 1 May 1990
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Ag/Fe, Ag/Cr, and Fe/Cr superlattices grown on GaAs (001) by molecular-beam epitaxy are compared on the basis of their structural properties. Highly ordered superlattices with very sharp interfaces are obtained for Ag-based structures (Ag/Fe, Ag/Cr). Although several attempts have been made to improve the growth process of Fe/Cr superlattices, they are far from being so well defined. This is a consequence of a progressive degradation which occurs when the superlattice thickness increases and becomes clearly observable in reflection high-energy electron diffraction above roughly 300 Å. However, using an optimum growth temperature, reasonably well-defined structures, suitable for subsequent magnetic studies, are obtained.
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KEYWORDS and PACS
SILVER,
IRON,
CHROMIUM,
SUPERLATTICES,
GALLIUM ARSENIDES,
SUBSTRATES,
GROWTH,
MOLECULAR BEAM EPITAXY,
RHEED,
MOLECULAR BEAM EPITAXY,
RHEED,
SOLID STRUCTURE,
X&minus,
RAY DIFFRACTION
- 68.55.Bd
Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Thin film growth, structure, and epitaxy Molecular and atomic beam epitaxy - 75.70.-i
Magnetic properties and materials Magnetic films and multilayers - 68.65.+g
Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Layer structures, intercalation compounds, and superlattices: growth, structure, and nonelectronic properties - YEAR: 1990
RELATED DATABASES
PUBLICATION DATA
0021-8979 (print)
1089-7550 (online)
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