Journal Article10.1107/S0021889809002222
Irena: tool suite for modeling and analysis of small-angle scattering
Jan Ilavsky,Pete R. Jemian +1 more
1.2K
TL;DR: Irena as mentioned in this paper is a tool suite for analysis of both X-ray and neutron small-angle scattering (SAS) data within the commercial Igor Pro application, bringing together a comprehensive suite of tools useful for investigations in materials science, physics, chemistry, polymer science and other fields.
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Abstract: Irena, a tool suite for analysis of both X-ray and neutron small-angle scattering (SAS) data within the commercial Igor Pro application, brings together a comprehensive suite of tools useful for investigations in materials science, physics, chemistry, polymer science and other fields. In addition to Guinier and Porod fits, the suite combines a variety of advanced SAS data evaluation tools for the modeling of size distribution in the dilute limit using maximum entropy and other methods, dilute limit small-angle scattering from multiple non-interacting populations of scatterers, the pair-distance distribution function, a unified fit, the Debye–Bueche model, the reflectivity (X-ray and neutron) using Parratt's formalism, and small-angle diffraction. There are also a number of support tools, such as a data import/export tool supporting a broad sampling of common data formats, a data modification tool, a presentation-quality graphics tool optimized for small-angle scattering data, and a neutron and X-ray scattering contrast calculator. These tools are brought together into one suite with consistent interfaces and functionality. The suite allows robust automated note recording and saving of parameters during export.
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Citations
Particle size influence on the pore development of nanopores in coal gasification chars: From micron to millimeter particles
G. Hennie Coetzee,Richard Sakurovs,Hein W.J.P. Neomagus,Raymond C. Everson,Jonathan P. Mathews,Jonathan P. Mathews,John R. Bunt +6 more
TL;DR: The influence of particle size on the growth of nanopores arising from gasification of a South African coal-char was investigated using small angle X-ray scattering as mentioned in this paper, using three different char sizes (75μm, 2 and 20mm) were gasified between 800 and 1000°C to specific conversions up to 50% and pore development during CO2 and steam gasification was compared.
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Just add water: reproducible singly dispersed silver nanoparticle suspensions on-demand
TL;DR: In this article, a "Just Add Water" approach was proposed to achieve a stable long-term storage for on-demand use of AgNPs for antimicrobial properties of silver nanoparticles.
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Quantification of the coarsening kinetics of γ′ precipitates in Waspaloy microstructures with different prior homogenizing treatments
TL;DR: In this article, quantification of the Waspaloy precipitate population, and its coarsening behavior, was performed in controlled WaspALoy microstructures synthesized to possess γ matrix grain sizes ranging from 13 to 89μm.
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Photocatalytic degradation of rhodamine B, paracetamol and diclofenac sodium by supported titania-based catalysts from petrochemical residue: effect of doping with magnesium.
William Leonardo da Silva,Marla Azário Lansarin,João Henrique Zimnoch dos Santos,Fernando Silveira +3 more
TL;DR: Three different lots of a residual Ziegler-Natta catalyst slurry obtained from an industrial petrochemical plant were employed as sources for the photocatalyst supported on silica and doping with 25 wt% Mg afforded the highest degradation values for the target molecules under UV and visible radiation.
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Femtosecond quantification of void evolution during rapid material failure
James Coakley,Andrew Higginbotham,David McGonegle,Jan Ilavsky,Thomas D. Swinburne,Justin Wark,K.M. Rahman,V.A. Vorontsov,David Dye,Thomas J. Lane,Sébastien Boutet,Jason E. Koglin,Joseph Robinson,Despina Milathianaki +13 more
TL;DR: Ultrabright x-rays capture the sequence of material damage accumulation during high strain rate catastrophic failure.
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