Journal ArticleDOI
Small‐Angle Scattering of X‐Rays
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This article is published in Physics Today.The article was published on 1956-08-01. It has received 4612 citations till now. The article focuses on the topics: Biological small-angle scattering & Scattering.read more
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Particle size distributions from small-angle scattering using global scattering functions
TL;DR: In this paper, a generalized index of polydispersity for symmetric particles, PDI = BRg4/(1.62G), where G is the Guinier prefactor, is introduced and compared with other approaches to describe particle size distributions in SAXS, specifically the maximumentropy method.
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Protein dynamics studied by neutron scattering.
TL;DR: This review of protein dynamics studied by neutron scattering focuses on data collected in the last 10 years and concerns the strong dependence of internal dynamics on the macromolecular environment.
Journal ArticleDOI
Size, volume fraction, and nucleation of Stober silica nanoparticles.
TL;DR: 29Si NMR, small-angle X-ray scattering (SAXS), and dynamic light scattering (DLS) are used to monitor the synthesis of silica nanoparticles from the base-catalyzed hydrolysis of TEOS in methanol and ethanol to find that after an induction period where there is a buildup of singly hydrolyzed monomer, the first nuclei are fractal and open in structure.
Journal ArticleDOI
Synthesis, structure, and morphology of polymer-silica hybrid nanocomposites based on hydroxyethyl methacrylate
TL;DR: Two types of polymer-silica nanocomposites have been prepared by undergoing free radical polymerization of 2-hydroxyethyl methacrylate (HEMA) either in the presence of HEMA-functionalized SiO2 nanoparticles (Type 1) or during the simultaneous in situ growing of the silica phase through the acid-catalyzed sol-gel polymerisation of TEOS (TEOS) as mentioned in this paper.
Journal ArticleDOI
Synthesis of Ligand-Stabilized Silicon Nanocrystals with Size-Dependent Photoluminescence Spanning Visible to Near-Infrared Wavelengths
Colin M. Hessel,Dariya K. Reid,Matthew G. Panthani,Michael R. Rasch,Brian W. Goodfellow,Junwei Wei,Hiromasa Fujii,Vahid A. Akhavan,Brian A. Korgel +8 more
TL;DR: In this paper, a chemical route to colloidal silicon (Si) nanocrystals, or quantum dots, with widely tunable average diameter, from less than 3 nm up to 90 nm and peak photoluminescence (PL) from visible wavelengths to the bulk band gap of Si at 1100 nm.
References
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Journal ArticleDOI
Statistical Mechanics of Fluid Mixtures
TL;DR: In this paper, the chemical potentials of the components of gas mixtures and liquid solutions are obtained in terms of relatively simple integrals in the configuration spaces of molecular pairs, and the molecular pair distribution functions appearing in these integrals are investigated in some detail, in their dependence upon the composition and density of the fluid.
Book
The optical principles of the diffraction of x-rays.
TL;DR: In this paper, Bragg et al. describe the Optik der R6ntgenstrahlen in Raumgitter and leitet damit fiber zu den experimentellen Methoden and Ergebn]ssen, die den folgenden B~nden vorbehalten bleiben.
Journal ArticleDOI
Small-Angle X-Ray Scattering
W. Ehrenberg,A. Franks +1 more
TL;DR: The neighbourhood of the direct beam is, for a variety of reasons, easily obscured by scattered radiation and insufficient collimation, so that special measures such as very long film-specimen distances or focusing crystal monochromators have been used for obtaining satisfactory photographs.