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Anomalous roughness evolution of rubrene thin films observed in real time during growth

KOWARIK, S ; GERLACH, A ; SELLNER, S ; SCHREIBER, F ; PFLAUM, J ; CAVALCANTI, L ; KONOVALOV, O

Physical chemistry chemical physics : PCCP, 2006-01, Vol.8 (15), p.1834-1836 [Periódico revisado por pares]

Cambridge: Royal Society of Chemistry

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Título:
Anomalous roughness evolution of rubrene thin films observed in real time during growth
Autor: KOWARIK, S ; GERLACH, A ; SELLNER, S ; SCHREIBER, F ; PFLAUM, J ; CAVALCANTI, L ; KONOVALOV, O
Assuntos: Chemistry ; Exact sciences and technology ; General and physical chemistry ; Naphthacenes - chemistry ; Organic Chemicals - chemistry ; Semiconductors ; Silicon Dioxide - chemistry ; Spectrometry, X-Ray Emission ; Surface Properties ; Time Factors
É parte de: Physical chemistry chemical physics : PCCP, 2006-01, Vol.8 (15), p.1834-1836
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: We study the growth and structure of thin films of the organic semiconductor rubrene during organic molecular beam deposition (OMBD) on silicon oxide in situ and in real time using X-ray scattering. Using in situ grazing incidence diffraction (GID) we find a small degree of local order but an otherwise largely disordered structure, consistent with out of plane scans. Monitoring the surface morphology in real time during growth, we find relatively smooth films (surface roughness sigma below approximately 15 A for thicknesses up to at least 600 A) and a significant delay before the onset of roughening. This anomalous roughening in the beginning and crossover to normal roughening later during growth may be related to conformational changes of rubrene in the early stages of growth.
Editor: Cambridge: Royal Society of Chemistry
Idioma: Inglês

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Anomalous roughness evolution of rubrene thin films observed in real time during growth

KOWARIK, S ; GERLACH, A ; SELLNER, S ; SCHREIBER, F ; PFLAUM, J ; CAVALCANTI, L ; KONOVALOV, O

Cambridge: Royal Society of Chemistry

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