TITLE

The ultra-small-angle X-ray scattering instrument on UNICAT at the APS

AUTHOR(S)
Long, G. G.; Allen, A. J.; Ilavsky, J.; Jemianl, P. R.; Zschack, P.
PUB. DATE
June 2000
SOURCE
AIP Conference Proceedings;2000, Vol. 521 Issue 1, p183
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A new ultra-small-angle X-ray scattering (USAXS) instrument has been commissioned as part of the UNICAT facility on the 33-ID line at the Advanced Photon Source. The instrument offers continuously-tunable optics for anomalous USAXS, 1000 times the throughput of earlier USAXS instruments1,2, high sensitivity and high resolution at low scattering vector, and a scattering vector range from below 0.00015 Å-1 to above 0.5 Å-1. Early results include USAXS from colloidal silica suspensions, and anomalous USAXS from rare-earth oxides in the presence of similarly-sized cavities in silicon nitride. The addition of side-reflection optics, in an optional configuration of this instrument, enables USAXS measurements of anisotropic as well as isotropic materials. © 2000 American Institute of Physics.
ACCESSION #
6029389

 

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