Local defects in thin polymer films: a scanning sub-microbeam grazing incidence small angle scattering investigation

2005 ◽  
Vol 357 (1-2) ◽  
pp. 148-151 ◽  
Author(s):  
P. Müller-Buschbaum ◽  
S.V. Roth ◽  
M. Burghammer ◽  
E. Bauer ◽  
S. Pfister ◽  
...  
Keyword(s):  
Polymer Films ◽  
Small Angle ◽  
Grazing Incidence ◽  
Small Angle Scattering ◽  
Thin Polymer Films ◽  
Angle Scattering ◽  
Thin Polymer ◽  
Local Defects

scholarly journals Mapping the Structural Order of Laser-Induced Periodic Surface Structures in Thin Polymer Films by Microfocus Beam Grazing Incidence Small-Angle X-ray Scattering

2015 ◽  
Vol 7 (5) ◽  
pp. 3162-3169 ◽  
Author(s):  
Ignacio Martín-Fabiani ◽  
Esther Rebollar ◽  
Mari Cruz García-Gutiérrez ◽  
Daniel R. Rueda ◽  
Marta Castillejo ◽  
...  
Keyword(s):  
Polymer Films ◽  
Small Angle ◽  
Grazing Incidence ◽  
Surface Structures ◽  
Thin Polymer Films ◽  
Periodic Surface ◽  
X Ray ◽  
Structural Order ◽  
X Ray Scattering ◽  
Thin Polymer

Grazing-incidence small-angle X-ray scattering from thin polymer films with lamellar structures – the scattering cross section in the distorted-wave Born approximation

2006 ◽  
Vol 39 (3) ◽  
pp. 433-442 ◽  
Author(s):  
P. Busch ◽  
M. Rauscher ◽  
D.-M. Smilgies ◽  
D. Posselt ◽  
C. M. Papadakis
Keyword(s):  
Thin Films ◽  
Polymer Films ◽  
Small Angle ◽  
Born Approximation ◽  
Grazing Incidence ◽  
Thin Polymer Films ◽  
Distorted Wave ◽  
Distorted Wave Born Approximation ◽  
X Ray ◽  
Thin Polymer

Grazing-incidence small-angle X-ray or neutron scattering of thin polymer films reveals information about the ordering and preferential orientations of the phase-separated microdomains within the films. The grazing-incidence geometry enhances the surface sensitivity; however, the scattering has to be treated within the framework of the distorted-wave Born approximation. In this work, the case of thin films with lamellar mesostructure is studied, where the orientation of the lamellae is either perpendicular or parallel to the film interfaces. For perpendicular lamellae, Bragg rods are found, which are extended along the film normal, whereas for parallel lamellae, peaks along the film normal appear. The positions of the maxima present in the latter case are explained by accounting for refraction at the film surface and reflection at the film–substrate interface. The results are relevant for thin films of lamellar diblock copolymers.

Grazing-incidence small-angle scattering measurement of Ge islands capped with a Si layer

2002 ◽  
Vol 81 (13) ◽  
pp. 2358-2360 ◽  
Author(s):  
Hiroshi Okuda ◽  
Shojiro Ochiai ◽  
Kazuki Ito ◽  
Yoshiyuki Amemiya
Keyword(s):  
Small Angle ◽  
Grazing Incidence ◽  
Small Angle Scattering ◽  
Angle Scattering ◽  
Scattering Measurement

scholarly journals BornAgain: software for simulating and fitting grazing-incidence small-angle scattering

2020 ◽  
Vol 53 (1) ◽  
pp. 262-276 ◽  
Author(s):  
Gennady Pospelov ◽  
Walter Van Herck ◽  
Jan Burle ◽  
Juan M. Carmona Loaiza ◽  
Céline Durniak ◽  
...  
Keyword(s):  
Small Angle ◽  
Grazing Incidence ◽  
Small Angle Scattering ◽  
Magnetic Scattering ◽  
Functional Requirements ◽  
Neutron Polarization ◽  
X Ray ◽  
Specular Scattering ◽  
Angle Scattering ◽  
Python Scripting

BornAgain is a free and open-source multi-platform software framework for simulating and fitting X-ray and neutron reflectometry, off-specular scattering, and grazing-incidence small-angle scattering (GISAS). This paper concentrates on GISAS. Support for reflectometry and off-specular scattering has been added more recently, is still under intense development and will be described in a later publication. BornAgain supports neutron polarization and magnetic scattering. Users can define sample and instrument models through Python scripting. A large subset of the functionality is also available through a graphical user interface. This paper describes the software in terms of the realized non-functional and functional requirements. The web site https://www.bornagainproject.org/ provides further documentation.

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