Looking At Nothing

Looking At Nothing

A SA(X)S Weblog

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Join the SAS session at the MRS-J conference in Yokohama, Japan! (19-21 December)

2011-09-12 Brian 0

There is an upcoming conference in the Japanese city of Yokohama, mere minutes from Tokyo. At that materials research society conference, one particularly fine international […]

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Careful when using Molybdenum radiation sources

2011-08-29 Brian 0

Just a quick heads-up. There’s a chance of 0.5% low-energy contamination when using molybdenum or silver radiation sources, even when using focusing devices, according to […]

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Live Fourier Transform for Windows

2011-08-16 Brian 6

[Ed: a new, completely rewritten version of this code can be found here, with a precompiled Windows version available at the bitbucket site courtesy of […]

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Revisiting observability in polydisperse systems: “real” polydispersity

2011-07-17 Brian 1

edited on 2011-07-20 14:51 to add equation defining observability Of course I could not leave you hanging after the last post with that question “does […]

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Observability in polydisperse systems. What is all the accuracy for?

2011-06-30 Brian 0

Abstract of this post: In this post, I will show that for a spherical two-particle system, the observability of the smaller particle scales with the […]

Does it matter part 2: polarization factor and spherical corrections

2011-06-12 Brian 2

In this series of posts, we take a quick look at some uncommon corrections you can do to your scattering patterns and we evaluate whether […]

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Baby, and the perfect measurement made easier

2011-05-29 Brian 0

I apologise for my low activity in the last few weeks. Those of you who are following my Twats (Twitter messages) will probably be able […]

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Does it matter? part 1: sample direction-dependent absorption

2011-05-06 Brian 5

This series is part of a set to determine which corrections matter when. We all heard -or read- about corrections Small-angle Scatterers do not need […]

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Comments on Deschamps, 2011 and A clarification on Guinier for Polydisperse systems

2011-04-08 Brian 4

After browsing through a recent Journal of Applied Crystallography, I came across a paper by Deschamps. It indicates to me that there is a slight […]

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Work in Progress: How to do a SAXS measurement well

2011-04-06 Brian 3

Hi all. For a work-related project, I have been developing some software and writing some documentation. This documentation is still a work in progress (as […]

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