Grazing-incidence small-angle X-ray scattering applied to the characterization of aggregates in surface regions

Naudon, A.; Babonneau, David; Thiaudière, Dominique; Lequien, S.

doi:10.1016/s0921-4526(99)01894-3

Cited by 58 publications

(49 citation statements)

References 17 publications

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“…b Corresponding slice in the angular and c in the reciprocal space. The resolution limit is marked with the dashed line, the solid line is a fit to the data using the model as explained in the text orientation, the diffuse scattering factor can be approximated [22] by:…”

Section: Resultsmentioning

confidence: 99%

“…Due to a relaxed resolution in one of the three components of the scattering wave vector, these experiments are possible in laboratory-based experimental setups. In GISAXS experiments however, the high demand on collimation makes the use of synchrotron radiation advantageous [19,20,21,22]. Because polymeric samples are weakly scattering in the X-ray regime as compared to metals, semiconductors, or ceramics, GISAXS experiments on nanostructured polymer films are basically limited to synchrotron radiation [11,12,13,14,15].…”

Section: Introductionmentioning

confidence: 99%

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Grazing incidence small-angle X-ray scattering: an advanced scattering technique for the investigation of nanostructured polymer films

2003

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Hamburg workshop on the "application of synchrotron radiation in chemistry"With grazing incidence small-angle X-ray scattering (GISAXS) the limitations of conventional small-angle X-ray scattering with respect to extremely small sample volumes in the thin-film geometry are overcome. GISAXS turned out to be a powerful advanced scattering technique for the investigation of nanostructured polymer films. Similar to atomic force microscopy (AFM), a large interval of length between molecular and mesoscopic scales is detectable with a surface-sensitive scattering method. While with AFM only surface topographies are accessible, with GISAXS the buried structure is also probed. Because a larger surface area is probed, GISAXS also has a much larger statistical significance compared to AFM. Due to the high demand on collimation, GISAXS experiments are based on synchrotron radiation. Nanostructures parallel and perpendicular to the sample surface observable in thin poly(styrene- block-isoprene) diblock copolymer films are presented as an example of the possibilities of GISAXS.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Grazing incidence small-angle X-ray scattering: an advanced scattering technique for the investigation of nanostructured polymer films

2003

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“…Grazing incidence x-ray scattering ͑GIXS͒ provides such information on parallel structures. [25][26][27][28] Due to the peculiar geometry of the experiment, it offers a dramatic enhancement of the signal coming from the probed interface, without significantly sensing the overlaying bulk of solution ͑which is accessible via more conventional x-ray scattering͒. 29 GIXS has gained a lot of interest in the past years since it enables to study interfacial structures in a noninvasive and nondestructive way.…”

Section: Introductionmentioning

confidence: 99%

Flow at interfaces: A new device for x-ray surface scattering investigations

Moulin

Roth²,

Müller‐Buschbaum

2008

Review of Scientific Instruments

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A fluidic cell based setup is described which allows for microbeam grazing incidence small angle x-ray scattering characterization of the interface between a solid substrate and a flowing liquid. This cell can potentially be used to study in situ a wide variety of systems ranging from synthetic and natural colloids to biological molecules. The selected channel geometry enables the characterization of the solid-liquid interface during mixing of different solutions. As a proof of concept, measurements on an aqueous gold nanoparticle solution in contact with a glass surface are presented that show that the structure at the interface can be probed during flow.

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“…Variation of the size of the quantum dots (on the order of 4-5 nm) was determined as a function of depth. In a study of gold aggregates and carbon-platinum clusters, Naudon et al [12] make an important point that this method samples a large area, yielding good statistics which is difficult to do with microscopy. They noted that clusters as small as 40 atoms were observed for the C-Pt clusters, and the anisotropy of the aggregates can be clearly resolved as well.…”

Section: Introductionmentioning

confidence: 99%

Reactivity of supported platinum nanoclusters studied by in situ GISAXS: clusters stability under hydrogen

et al. 2006

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This paper is an initial study of the reactivity and thermal stability of atomic platinum clusters supported on Al 2 O 3 /SiO 2 /Si(100) as a function of the thickness of the alumina film and presence of hydrogen. Extremely high thermal stability of Pt 7-10 clusters in vacuo as well as in the presence of hydrogen is observed on SiO 2 /Si(100) coated with six cycles of Al 2 O 3 film prepared by an atomic layer deposition technique.

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Grazing-incidence small-angle X-ray scattering applied to the characterization of aggregates in surface regions

Cited by 58 publications

References 17 publications

Grazing incidence small-angle X-ray scattering: an advanced scattering technique for the investigation of nanostructured polymer films

Grazing incidence small-angle X-ray scattering: an advanced scattering technique for the investigation of nanostructured polymer films

Flow at interfaces: A new device for x-ray surface scattering investigations

Reactivity of supported platinum nanoclusters studied by in situ GISAXS: clusters stability under hydrogen

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