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
Nanoporous Polyurea from a Triisocyanate and Boric Acid: A Paradigm of a General Reaction Pathway for Isocyanates and Mineral Acids
Nicholas Leventis,Chariklia Sotiriou-Leventis,Adnan Malik Saeed,Suraj Donthula,Hojat Majedi Far,Parwani M. Rewatkar,Helmut Kaiser,J. David Robertson,Hongbing Lu,Gitogo Churu +9 more
TL;DR: In this paper, a triisocyanate, tris(4-Isocyanatophenyl)methane (TIPM), reacting with boric acid in DMF at room temperature, yielding nanoporous polyurea networks that were dried with supercritical fluid CO2 to robust aerogels (referred to as BPUA-xx).
37
Pore connectivity and water accessibility in Upper Permian transitional shales, southern China
Mengdi Sun,Mengdi Sun,Linhao Zhang,Qinhong Hu,Zhejun Pan,Zhejun Pan,Bingsong Yu,Liangwei Sun,Liangfei Bai,Luke D. Connell,Yifan Zhang,Gang Cheng +11 more
TL;DR: In this paper, the pore connectivity and water accessibility in clay-rich Upper Permian transitional shales were investigated using contrast matching small-angle neutron scattering (CM-SANS) tests.
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Insights into the Magnetic Properties of Sub-10 nm Iron Oxide Nanocrystals through the Use of a Continuous Growth Synthesis
Susan R. Cooper,L. Kenyon Plummer,Alexia G. Cosby,Philip Lenox,Albrecht Jander,Pallavi Dhagat,James E. Hutchison +6 more
TL;DR: In this article, a continuous growth method involving layer-by-layer addition of precursor was employed to produce single-crystalline, spherical cores with subnanometer precision over a range of sizes under the same reaction conditions.
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The effects of Y pre-alloying on the in-situ dispersoids of ODS CoCrFeMnNi high-entropy alloy
TL;DR: In this article, the effects of in-situ oxide dispersoid formation on the microstructure and mechanical properties of CoCrFeMnNi high-entropy alloys were investigated using two different powder preparation methods classified by yttrium addition strategy.
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Coupling morphological and magnetic anisotropy for assembling tetragonal colloidal crystals
TL;DR: In this paper, magnetite nanorods interact along a critical angle, depeeling the magnetic anisotropy in colloidal assembly to create unconventional secondary structures, which can be combined with morphological anisotropic structures.
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