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Title: Mapping the structural order of laser-induced periodic surface structures in thin polymer films by microfocus beam grazing incidence small-angle x-ray scattering
Authors: Martin-Fabiani, Ignacio
Rebollar, Esther
Garcia-Gutierrez, Mari-Cruz
Rueda, Daniel R.
Castillejo, Marta
Ezquerra, Tiberio A.
Keywords: Laser-induced periodic surface structures
Polymer
Thin films
Microfocus
Grazing incidence small-angle X-ray scattering
Issue Date: 2015
Publisher: © American Chemical Society
Citation: MARTIN-FABIANI, I. ... et al., 2015. Mapping the structural order of laser-induced periodic surface structures in thin polymer films by microfocus beam grazing incidence small-angle x-ray scattering. ACS Applied Materials and Interfaces, 7 (5), pp. 3162 - 3169.
Abstract: In this work we present an accurate mapping of the structural order of laser-induced periodic surface structures (LIPSS) in spin-coated thin polymer films, via a microfocus beam grazing incidence small-angle X-ray scattering (μGISAXS) scan, GISAXS modeling, and atomic force microscopy imaging all along the scanned area. This combined study has allowed the evaluation of the effects on LIPSS formation due to nonhomogeneous spatial distribution of the laser pulse energy, mapping with micrometric resolution the evolution of the period and degree of structural order of LIPSS across the laser beam diameter in a direction perpendicular to the polarization vector. The experiments presented go one step further toward controlling nanostructure formation in LIPSS through a deep understanding of the parameters that influence this process.
Description: This article was published in the journal ACS Applied Materials and Interfaces [© American Chemical Society] and the definitive version is available at: https://doi.org/10.1021/am5074968
Sponsor: The authors acknowledge financial support from MINECO (Grant Nos. MAT2009-07789, CTQ2010-15680, CTQ2013- 43086, MAT2011-23455, MAT2012-33517, FPI BES-2010- 030074, and Ramon y Cajal Contract No. RYC-2011-08069). ́ The assistance of S. Roth at PO3 (PETRA III) is greatly acknowledged.
Version: Accepted for publication
DOI: 10.1021/am5074968
URI: https://dspace.lboro.ac.uk/2134/26694
Publisher Link: https://doi.org/10.1021/am5074968
ISSN: 1944-8244
Appears in Collections:Published Articles (Materials)

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