Reflectance anisotropy spectroscopy: A probe to explore organic epitaxial growth | Zendy

Gianlorenzo Bussetti | Zendy; Simonetta Cirilli | Zendy; A. Violante | Zendy; V. Chiostri | Zendy; C. Goletti | Zendy; P. Chiaradia | Zendy; A. Sassella | Zendy; Marcello Campione | Zendy; Luisa Raimondo | Zendy; Daniele Braga | Zendy; A. Borghesi | Zendy

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Reflectance anisotropy spectroscopy: A probe to explore organic epitaxial growth

Author(s) -

Gianlorenzo Bussetti,

Simonetta Cirilli,

A. Violante,

V. Chiostri,

C. Goletti,

P. Chiaradia,

A. Sassella,

Marcello Campione,

Luisa Raimondo,

Daniele Braga,

A. Borghesi

Publication year - 2009

Publication title -

journal of vacuum science and technology a vacuum surfaces and films

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.583

H-Index - 112

eISSN - 1520-8559

pISSN - 0734-2101

DOI - 10.1116/1.3155399

Subject(s) - epitaxy , molecular beam epitaxy , anisotropy , substrate (aquarium) , materials science , spectroscopy , characterization (materials science) , monolayer , crystallinity , in situ , microscopy , deposition (geology) , analytical chemistry (journal) , optoelectronics , layer (electronics) , optics , nanotechnology , chemistry , organic chemistry , composite material , geology , physics , paleontology , oceanography , quantum mechanics , sediment

Reflectance anisotropy spectroscopy (RAS) is demonstrated to be particularly suitable for studying the deposition of organic epitaxial layers in ultrahigh vacuum by organic molecular beam epitaxy, thanks to its high sensitivity and applicability in situ. In the case of α -quaterthiophene, both homoepitaxy and heteroepitaxy have been monitored, demonstrating the crystallinity of the films up to tens of monolayers and the epitaxial relation to the substrate. In both cases, optical RAS data are compared to the results of ex situ characterization of the same samples by atomic force microscopy. © 2009 American Vacuum Society

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