Title: Epitaxial growth of Dy2O3 thin films on epitaxial Dy-germanide films on Ge(001) substrates
Authors: Bhuiyan, Kabir ×
Menghini, Mariela Andrea
Seo, Jin Won
Locquet, Jean-Pierre #
Issue Date: Apr-2011
Publisher: North-Holland
Series Title: Microelectronic Engineering vol:88 issue:4 pages:411-414
Abstract: Ultra-thin films of Dy are grown on Ge(0 0 1) substrates by molecular beam deposition near room temperature and immediately annealed for solid phase epitaxy at higher temperatures, leading to the formation of DyGex films. Thin films of Dy2O3 are grown on the DyGex film on Ge(0 0 1) substrates by molecular beam epitaxy. Streaky reflection high energy electron diffraction (RHEED) patterns reveal that epitaxial DyGex films grow on Ge(0 0 1) substrates with flat surfaces. X-ray diffraction (XRD) spectrum suggests the growth of an orthorhombic phase of DyGex films with (0 0 1) orientations. After the growth of Dy2O3 films, there is a change in RHEED patterns to spotty features, revealing the growth of 3D crystalline islands. XRD spectrum shows the presence of a cubic phase with (1 0 0) and (1 1 1) orientations. Atomic force microscopy image shows that the surface morphology of Dy2O3 films is smooth with a root mean square roughness of 10 Å.
ISSN: 0167-9317
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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