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X-ray study of atomic ordering in self-assembled Ge islands grown on Si(001)

MALACHIAS, A ; SCHÜLLI, T. U ; MEDEIROS-RIBEIRO, G ; CANCADO, L. G ; STOFFEL, M ; SCHMIDT, O. G ; METZGER, T. H ; MAGALHAES-PANIAGO, R

Physical review. B, Condensed matter and materials physics, 2005-10, Vol.72 (16), p.165315.1-165315.9, Article 165315 [Periódico revisado por pares]

Ridge, NY: American Physical Society

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Título:
X-ray study of atomic ordering in self-assembled Ge islands grown on Si(001)
Autor: MALACHIAS, A ; SCHÜLLI, T. U ; MEDEIROS-RIBEIRO, G ; CANCADO, L. G ; STOFFEL, M ; SCHMIDT, O. G ; METZGER, T. H ; MAGALHAES-PANIAGO, R
Assuntos: BRAGG REFLECTION ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; Condensed matter: structure, mechanical and thermal properties ; CRYSTAL GROWTH ; DIFFUSE SCATTERING ; EPITAXY ; Exact sciences and technology ; GERMANIUM ; GERMANIUM SILICIDES ; LAYERS ; Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties ; ORDER PARAMETERS ; Physics ; RAMAN SPECTRA ; SEMICONDUCTOR MATERIALS ; SILICON ; Structure of solids and liquids; crystallography ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) ; X RADIATION ; X-RAY DIFFRACTION ; X-ray diffraction and scattering ; X-ray scattering (including small-angle scattering)
É parte de: Physical review. B, Condensed matter and materials physics, 2005-10, Vol.72 (16), p.165315.1-165315.9, Article 165315
Descrição: X-ray diffuse scattering in the vicinity of basis-forbidden Bragg reflections were measured for samples with uncapped self-assembled Ge islands epitaxially grown on Si(001). Our results provide evidence of atomically ordered SiGe domains in both islands and wetting layer. The modeling of x-ray profiles reveals the presence of antiphase boundaries separating the ordered domains in a limited region of the islands. X-ray order parameter results were independently supported by Raman measurements.
Editor: Ridge, NY: American Physical Society
Idioma: Inglês

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X-ray study of atomic ordering in self-assembled Ge islands grown on Si(001)

MALACHIAS, A ; SCHÜLLI, T. U ; MEDEIROS-RIBEIRO, G ; CANCADO, L. G ; STOFFEL, M ; SCHMIDT, O. G ; METZGER, T. H ; MAGALHAES-PANIAGO, R

Ridge, NY: American Physical Society

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